IPCC Fourth Assessment Report: Climate Change 2007
Climate Change 2007: Working Group I: The Physical Science Basis

References

Abakumova, G.M., et al., 1996: Evaluation of long-term changes in radiation, cloudiness, and surface temperature on the territory of the former Soviet Union. J. Clim., 9, 1319–1327.

Adler, R.F., et al., 2001: Intercomparison of global precipitation products: The Third Precipitation Intercomparison Project (PIP-3). Bull. Am. Meteorol. Soc., 82, 1377–1396.

Adler, R.F., et al., 2003: The version 2 Global Precipitation Climatology Project (GPCP) monthly precipitation analysis (1979–present). J. Hydrometeorol., 4, 1147–1167.

Agudelo, P.A., and J.A. Curry, 2004: Analysis of spatial distribution in tropospheric temperature trends. Geophys. Res. Lett., 31, L22207, doi:10.1029/2004GL02818.

Aguilar, E., et al., 2005: Changes in precipitation and temperature extremes in Central America and northern South America, 1961–2003. J. Geophys. Res., 110, D23107, doi:10.1029/2005JD006119.

Aiyyer, A.R., and C. Thorncroft, 2006: Climatology of vertical wind shear over the tropical Atlantic. J. Clim., 19, 2969−2983.

Aksoy, B., 1997: Variations and trends in global solar radiation for Turkey. Theor. Appl. Climatol., 58, 71–77.

Alexander, L.V., S.F.B. Tett, and T. Jónsson, 2005: Recent observed changes in severe storms over the United Kingdom and Iceland. Geophys. Res. Lett., 32, L13704, doi:10.1029/2005GL022371.

Alexander, L.V., et al., 2006: Global observed changes in daily climate extremes of temperature and precipitation. J. Geophys. Res., 111, D05109, doi:10.1029/2005JD006290.

Alexandersson, H., et al., 1998: Long-term variations of the storm climate over NW Europe. Global Atmos. Ocean System, 6, 97–120.

Alexandersson, H., et al., 2000: Trends of storms in NW Europe derived from an updated pressure data set. Clim. Res., 14, 71–73.

Allan, J., and P. Komar, 2000: Are ocean wave heights increasing in the eastern North Pacific? Eos, 81, 561–567.

Allan, R.J., and T. Ansell, 2006: A new globally complete monthly historical gridded mean sea level pressure data set (HadSLP2); 1850–2003. J. Clim., 19, 5816–5842.

Allan, R.P., and A. Slingo, 2002: Can current climate model forcings explain the spatial and temporal signatures of decadal OLR variations? Geophys. Res. Lett., 29, 1141, doi:10.1029/2001GL014620.

Allan, R.P., A. Slingo, and V. Ramaswamy, 2002: Analysis of moisture variability in the European Centre for Medium-Range Weather Forecasts 15-year reanalysis over tropical oceans. J. Geophys. Res., 107, doi:10.1029/2001JD001132.

Allan, R.P., M.A. Ringer, and A. Slingo, 2003: Evaluation of moisture in the Hadley Centre Climate Model using simulations of HIRS water vapour channel radiances. Q. J. R. Meteorol. Soc., 128, 1–18.

Errata
Allan, R., et al., 2001: Is there an Indian Ocean dipole, and is it independent of the El Niño - Southern Oscillation? CLIVAR Exchanges, 6, 18-22.

Allan, R.P., et al., 2004: Simulation of the Earth’s radiation budget by the European Centre for Medium-Range Weather Forecasts 40-year reanalysis (ERA40). J. Geophys. Res., 109, D18107, doi:10.1029/2004JD004816.

Allen, M.R., and W.J. Ingram, 2002: Constraints on future changes in climate and the hydrological cycle. Nature, 419, 2224–2232.

Alley, W.M., 1984: The Palmer Drought Severity Index: limitation and assumptions. J. Clim. Appl. Meteorol., 23, 1100–1109.

Alpert, P., et al., 2002: The paradoxical increase of Mediterranean extreme daily rainfall in spite of decrease in total values. Geophys. Res. Lett., 29(11), doi:10.1029/2001GL013554.

Alpert, P., et al., 2005: Global dimming or local dimming?: Effect of urbanization on sunlight availability. Geophys. Res. Lett., 32, L17802, doi:10.1029/2005GL023320.

Ambaum, M.H.P., B.J. Hoskins, and D.B. Stephenson, 2001: Arctic Oscillation or North Atlantic Oscillation? J. Clim., 14, 3495–3507.

Ambaum, M.H.P., B.J. Hoskins, and D.B. Stephenson, 2002: Corrigendum: Arctic Oscillation or North Atlantic Oscillation? J. Clim., 15, 553.

Andrea, F., et al., 1998: Northern Hemisphere atmospheric blocking as simulated by 15 atmospheric general circulation models in the period 1979–1988. Clim. Dyn., 14, 385–407.

Andreae, M.O., et al., 2004: Smoking rain clouds over the Amazon. Science, 303, 1337–1342.

Andrews, D.G., J.R. Holton, and C.B. Leovy, 1987: Middle Atmosphere Dynamics. Academic Press, San Diego, CA, 489 pp.

Angell, J.K., 2003: Effect of exclusion of anomalous tropical stations on temperature trends from a 63-station radiosonde network, and comparison with other analyses. J. Clim., 16, 2288–2295.

Angell, J.K., 2006: Changes in the 300 mb north circumpolar vortex, 1963–2001. J. Clim., 19, 2984–2994.

Aoki, S., 2002: Coherent sea level response to the Antarctic Oscillation. Geophys. Res. Lett., 29, 1950, doi:10.1029/2002GL15733.

Ashok, K., Z. Guan, and T. Yamagata, 2001: Impact of the Indian Ocean Dipole on the decadal relationship between the Indian monsoon rainfall and ENSO. Geophys. Res. Lett., 28, 4499–4502.

Assell, R., K. Cronk, and D. Norton, 2003: Recent trends in Laurentian Great Lakes ice cover. Clim. Change, 57, 185–204.

Auer, I., et al., 2007: HISTALP -- Historical Instrumental Climatological Surface Time Series of the Greater Alpine Region. Int. J. Climatol., 27, 17-46.

Baldwin, M.P., 2001: Annular modes in global daily surface pressure. Geophys. Res. Lett., 28, 4115–4118.

Baldwin, M.P., and T. Dunkerton, 1999: Downward propagation of the Arctic Oscillation from the stratosphere to the troposphere. J. Geophys. Res., 104, 30937–30946.

Baldwin, M.P., and T.J. Dunkerton, 2001: Stratospheric harbingers of anomalous weather regimes. Science, 244, 581–584.

Baldwin, M.P., et al., 2003: Stratospheric memory and extended-range weather forecasts. Science, 301, 636–640.

Balling, R.C. Jr., and S. Brazel, 1987: Recent changes in Phoenix summertime diurnal precipitation patterns. Theor. Appl. Climatol., 38, 50–54.

Balling, R.C. Jr., et al., 1998: Impacts of land degradation on historical temperature records from the Sonoran Desert. Clim. Change, 40, 669–681.

Barlow, M., H. Cullen, and B. Lyon, 2002: Drought in central and southwest Asia: La Niña, the warm pool, and Indian Ocean precipitation. J. Clim., 15, 697–700.

Barnett, T.P., et al., 1999: Interdecadal interactions between the tropics and midlatitudes in the Pacific basin. Geophys. Res. Lett., 26, 615–618.

Barnston, A.G., and R.E. Livezey, 1987: Classification, seasonality and persistence of low frequency atmospheric circulation patterns. Mon. Weather Rev., 115, 1083–1126.

Bärring, L., and H. von Storch, 2004: Scandinavian storminess since about 1800. Geophys. Res. Lett., 31, L20202, doi:10.1029/2004GL020441.

Barriopedro, D., et al., 2006: A climatology of Northern Hemisphere blocking. J. Clim., 19, 1042–1063.

Barros, V.R., M.E. Castañeda, and M.E. Doyle, 2000a: Recent precipitation trends in southern South America east of the Andes: An indication of climatic variability. In: Southern Hemisphere Paleo- and Neoclimates. Key Sites, Methods, Data and Models [Smolka, P.P., and W. Volkheimer (eds.)]. Springer Verlag, Berlin, pp. 187–206.

Barros, V.R., et al., 2000b: Influence of the South Atlantic Convergence Zone and South Atlantic sea surface temperature on interannual summer rainfall variability in southeastern South America. Theor. Appl. Climatol., 67, 123–133.

Barros, V.R., et al., 2002: Climate variability over South America and the South America monsoon: A review. Meteorologica, 27, 33–57.

Barros, V.R., et al., 2004: The major discharge events in the Paraguay River: magnitudes, source regions and climate forcings. J. Hydrometeorol., 6, 1161–1170.

Basher, R.E., and X. Zheng, 1995: Tropical cyclones in the southwest Pacific: Spatial patterns and relationships to Southern Oscillation and sea surface temperature. J. Clim., 8, 1249–1260.

Bates, J.J., and D.L. Jackson, 2001: Trends in upper-tropospheric humidity. Geophys. Res. Lett., 28, 1695–1698.

Beck, C., J. Grieser, and B. Rudolf, 2005: A new monthly precipitation climatology for the global land areas for the period 1951 to 2000. Climate Status Report, 2004. German Meteorological Service, pp. 181–190, http://www.dwd.de/de/FundE/Klima/KLIS/prod/KSB/ksb04/28_precipitation.pdf

Bengtsson, L., S. Hagemann, and K.L. Hodges, 2004: Can climate trends be calculated from reanalysis data? J. Geophys. Res., 109, D11111, doi:10.1029/2004JD004536.

Beniston, M., 2004: The 2003 heat wave in Europe. A shape of things to come? Geophys. Res. Lett., 31, L02022, doi:10.1029/2003GL018857.

Beniston, M., and H.F. Diaz, 2004: The 2003 heat wave as an example of summers in a greenhouse climate? Observations and climate model simulations for Basel, Switzerland. Global Planet. Change, 44, 73–81.

Beniston, M., and D.B. Stephenson, 2004: Extreme climatic events and their evolution under changing climatic conditions. Global Planet. Change, 44, 1–9.

Berger, C.L., et al., 2002: A climatology of northwest Missouri snowfall events: Long-term trends and interannual variability. Phys. Geogr., 23, 427−448.

Berri, G.S., M.A. Ghietto, and N.O. García, 2002: The influence of ENSO in the flows of the Upper Paraná River of South America over the past 100 years. J. Hydrometeorol., 3, 57–65.

Betts, A.K., J.H. Ball, and P. Viterbo, 2003: Evaluation of the ERA-40 surface water budget and surface temperature for the Mackenzie River Basin. J. Hydrometeorol., 4, 1194–1211.

Biondi, F., A. Gershunov, and D.R. Cayan, 2001: North Pacific decadal climate variability since AD 1661. J. Clim., 14, 5–10.

Bischoff, S.A., et al., 2000: Climate variability and Uruguay River flows. Water International, 25, 446–456.

Bissolli, P., J. Grieser, N. Dotzek, and M. Welsch, 2007: Tornadoes in Germany 1950-2003 and their relation to particular weather conditions. Global Planet. Change, 46, doi:10.1016/j.gloplacha.2006.11.007

Black, E.M., et al., 2004: Factors contributing to the summer 2003 European heatwave. Weather, 59, 217–223.

Bojariu, R., and L. Gimeno, 2003: The influence of snow cover fluctuations on multiannual NAO persistence. Geophys. Res. Lett., 30, 1156, doi:10.1029/2002GL015651.

Bonan, G.B., 2001: Observational evidence for reduction of daily maximum temperature by croplands in the midwest United States. J. Clim., 14, 2430–2442.

Bonnazola, M., and P.H. Haynes, 2004: A trajectory-based study of the tropical tropopause region. J. Geophys. Res., 109, D020112, doi:10.1029/2003JD004356.

Bornstein, R., and Q. Lin, 2000: Urban heat islands and summertime convective thunderstorms in Atlanta: three cases studies. Atmos. Environ., 34, 507–516.

Bottomley, M., et al., 1990: Global Ocean Surface Temperature Atlas “GOSTA”. HMSO, London, 20 pp.+iv, 313 plates.

Bove, M.C., et al., 1998: Effect of El Niño on U.S. landfalling hurricanes, revisited. Bull. Am. Meteorol. Soc., 79, 2477–2482.

Branstator, G., 2002: Circum-global teleconnections, the jetstream waveguide, and the North Atlantic Oscillation. J. Clim., 15, 1893–1910.

Brest, C.L., W.B. Rossow, and M. Roiter, 1997: Update of radiance calibrations for ISCCP. J. Atmos. Ocean Technol., 14, 1091–1109.

Brohan, P., et al., 2006: Uncertainty estimates in regional and global observed temperature changes: A new dataset from 1850. J. Geophys. Res., 111, D12106, doi:10.1029/2005JD006548.

Bromirski, P.D., R.E. Flick, and D.R. Cayan, 2003: Storminess variability along the California coast: 1858–2000. J. Clim., 16, 982–993.

Bromwich, D.H., and R.L. Fogt, 2004: Strong trends in the skill of the ERA-40 and NCEP–NCAR reanalyses in the high and middle latitudes of the Southern Hemisphere, 1958–2001. J. Clim., 17, 4603–4619.

Brönnimann, S., et al., 2004: Extreme climate of the global troposphere and stratosphere in 1940–42 related to El Niño. Nature, 431, doi:10.1038/nature02982.

Brooks, H.E., J.W. Lee, and J.P. Craven, 2003: The spatial distribution of severe thunderstorm and tornado environments from global reanalysis data. Atmos. Res., 67–68, 73–94.

Brunet, M., et al., 2006: The development of a new dataset of Spanish daily adjusted temperature series (SDATS) (1850-2003). Int. J. Climatol., 26, 1777–1802.

Brunetti, M., et al., 2004: Changes in daily precipitation frequency and distribution in Italy over the last 120 years. J. Geophys. Res., 109, D05102, doi:10.1029/2003JD004296.

Brutsaert, W., and M.B. Parlange, 1998: Hydrologic cycle explains the evaporation paradox. Nature, 396, 30.

Burian, S.J., and J.M. Shepherd, 2005: Effects of urbanization on the diurnal rainfall pattern in Houston. Hydrological Processes: Special Issue on Rainfall and Hydrological Processes, 19, 1089–1103.

Burnett, A.W., et al., 2003: Increasing Great Lake-effect snowfall during the Twentieth Century: A regional response to global warming? J. Clim., 16, 3535–3541.

Caesar, J., L. Alexander, and R. Vose, 2006: Large-scale changes in observed daily maximum and minimum temperatures: Creation and analysis of a new gridded data set. J. Geophys. Res., 111, D05101, doi:10.1029/2005JD006280.

Cai, W., and P.G. Baines, 2001: Forcing of the Antarctic Circumpolar Wave by El Niño-Southern Oscillation teleconnections. J. Geophys. Res., 106, 9019–9038.

Cai, W., P.H. Whetton, and D.J. Karoly, 2003: The response of the Antarctic Oscillation to increasing and stabilized atmospheric CO2. J. Clim., 16, 1525–1538.

Caires, S., and A. Sterl, 2005: 100-year return value estimates for wind speed and significant wave height from the ERA-40 data. J. Clim., 18, 1032–1048.

Camargo, S.J., and A.H. Sobel, 2004: Western North Pacific Tropical Cyclone Intensity and ENSO. Technical Report No. 04-03, International Research Institute for Climate Prediction, Palisades, NY, 25 pp.

Camilloni, I.A., and V.R. Barros, 2000: The Paraná River response to El Niño 1982–83 and 1997–98 events. J. Hydrometeorol., 1, 412–430.

Camilloni, I.A., and V.R. Barros, 2003: Extreme discharge events in the Paraná River and their climate forcing. J. Hydrol., 278, 94–106.

Cardone, V.J., J.G. Greenwood, and M.A. Cane, 1990: On trends in historical marine wind data. J. Clim., 3, 113–127.

Carril, A.F., and A. Navarra, 2001: Low-frequency variability of the Antarctic Circumpolar Wave. Geophys. Res. Lett., 28, 4623–4626.

Carter, D.J.T., 1999: Variability and trends in the wave climate of the North Atlantic: a review. In: Proceedings of the 9th International Offshore and Polar Engineering Conference, Brest, France, vol. III. International Society of Offshore and Polar Engineers, Golden, CO, pp. 12–18.

Cassou, C., and L. Terray, 2001: Dual influence of Atlantic and Pacific SST anomalies on the North Atlantic/Europe winter climate. Geophys. Res. Lett., 28, 3195–3198.

Cassou, C., et al., 2004: North Atlantic winter climate regimes: spatial asymmetry, stationarity with time and oceanic forcing. J. Clim., 17, 1055–1068.

Cayan, D.R., et al., 2001: Changes in the onset of spring in the western United States. Bull. Am. Meteorol. Soc., 82, 399–415.

Cess, R.D., and P.M. Udelhofen, 2003: Climate change during 1985–1999: Cloud interactions determined from satellite measurements. Geophys. Res. Lett., 30, 1019, doi:10.1029/2002GL016128.

Chagnon, F.J.F., and R. L. Bras, 2005: Contemporary climate change in the Amazon. Geophys. Res. Lett., 32, L13703, doi:10.1029/2005GL022722.

Chan, J.C.L., 2006: Comment on “Changes in tropical cyclone number, duration, and intensity in a warming environment”. Science, 311, 1713.

Chan, J.C.L., and K.S. Liu, 2004: Global warming and Western North Pacific typhoon activity from an observational perspective. J. Clim., 17, 4590–4602.

Chang, C.P., Y. Zhang, and T. Li, 1999: Interannual and interdecadal variations of the East Asian summer monsoon and tropical Pacific SSTs. Pt I: Roles of the subtropical ridge. J. Clim., 13, 4310–4325.

Chang, E.K.M., 2003: Midwinter suppression of the Pacific storm track activity as seen in aircraft observations. J. Atmos. Sci., 60, 1345–1358.

Chang, E.K.M., and Y. Fu, 2002: Interdecadal variations in Northern Hemisphere winter storm track intensity. J. Clim., 15, 642–658.

Chang, E.K.M., and Y. Fu, 2003: Using mean flow change as a proxy to infer interdecadal storm track variability. J. Clim., 16, 2178–2196.

Changnon, D., M. Sandstrom, and C. Schaffer, 2003: Relating changes in agricultural practices to increasing dew points in extreme Chicago heat waves. Clim. Res., 24, 243–254.

Changnon, S.A., and N.E. Westcott, 2002: Heavy rainstorms in Chicago: Increasing frequency, altered impacts, and future implications. J. Am. Water Res. Assoc., 38, 1467–1475.

Changnon, S.A., et al., 1981: METROMEX: A Review and Summary. Meteorological Monograph 18, American Meteorological Society, Boston, MA, 81 pp.

Chase, T.N., J.A. Knaff, R.A. Pielke Sr., and E. Kalnay, 2003: Changes in global monsoon circulation since 1950. Natural Hazards, 29, 229–254.

Chattopadhyay, N., and M. Hulme, 1997: Evaporation and potential evapotranspiration in India under conditions of recent and future climate change. Agric. For. Meteorol., 87, 55–73.

Chelliah, M., and G.D. Bell, 2004: Tropical multidecadal and interannual climate variability in the NCEP–NCAR Reanalysis. J. Clim., 17, 1777–1803.

Chelton, D.B., and F.J. Wentz, 2005: Global microwave satellite observations of sea surface temperature for numerical weather prediction and climate research. Bull. Am. Meteorol. Soc., 86, 1097–1115.

Chen, M., P. Xie, and J.E. Janowiak, 2002: Global land precipitation: a 50-yr monthly analysis based on gauge observations. J. Hydrometeorol., 3, 249–266.

Chen, T.-C., et al., 2004: Variation of the East Asian summer monsoon rainfall. J. Clim., 17, 744–762.

Christy, J.R., and W.B. Norris, 2004: What may we conclude about tropospheric temperature trends? Geophys. Res. Lett., 31, L0621, doi:10.1029/2003GL019361.

Christy, J. R., and R.W. Spencer, 2005: Correcting temperature data sets. Science, 310, 972.

Christy, J.R., R.W. Spencer, and W.D. Braswell, 2000: MSU tropospheric temperatures: Dataset construction and radiosonde comparisons. J. Atmos. Ocean. Technol., 17, 1153–1170.

Christy, J.R., et al., 2001: Differential trends in tropical sea surface and atmospheric temperature since 1979. Geophys. Res. Lett., 28, 183–186.

Christy, J.R., et al., 2003: Error estimates of version 5.0 of MSU/AMSU bulk atmospheric temperatures. J. Atmos. Ocean. Technol., 20, 613–629.

J. Clim.19

Clark, C.O., P.J. Webster, and J.E. Cole, 2003: Interdecadal variability of the relationship between the Indian Ocean zonal mode and east African coastal rainfall anomalies. J. Clim., 16, 548–554.

Cluis, D., and C. Laberge, 2001: Climate change and trend detection in selected rivers within the Asia-Pacific region. Water International, 26, 411–424.

Cohen, S., B. Liepert, and G. Stanhill, 2004: Global dimming comes of age. Eos, 85, 362.

Cohn, T., and H.J. Lins, 2005: Nature’s style: Naturally trendy. Geophys. Res. Lett., 32, L23402, doi:10.1029/2005GL024476.

Compo, G.P., and P.D. Sardeshmukh, 2004: Storm track predictability on seasonal and decadal scales. J. Clim., 17, 3701–3720.

Connolley, W.M., 2003: Long-term variation of the Antarctic Circumpolar Wave. J. Geophys. Res., 108, 8076, doi:10.1029/2000JC000380.

Considine, D.B., et al., 2001: An interactive model study of the influence of the Mount Pinatubo aerosol on stratospheric methane and water trends. J. Geophys. Res., 106, 27711–27728.

Cook, E.R., R.D. D’Arrigo, and M.E. Mann, 2002: A well-verified, multiproxy reconstruction of the winter North Atlantic Oscillation index since A.D. 1400. J. Clim., 15, 1754–1764.

Cook, E.R., et al., 1999: Drought reconstructions for the continental United States. J. Clim., 12, 1145–1162.

Cook, E.R., et al., 2004: Long-term aridity changes in the western United States. Science, 306, 1015–1018.

Corti, S., F. Molteni, and T.N. Palmer, 1999: Signature of recent climate change in frequencies of natural atmospheric circulation regimes. Nature, 398, 799–802.

Cowell, C.M., and R.T. Stoudt, 2002: Dam-induced modifications to upper Allegheny River streamflow patterns and their biodiversity implications. J. Am. Water Res. Assoc., 38, 187–196.

Crutzen, P.J., 2004: New Directions: The growing urban heat and pollution “island” effect—impact on chemistry and climate. Atmos. Environ., 38, 3539–3540.

Cullen, H., and P.B. deMenocal, 2000: North Atlantic influence on Tigris-Euphrates streamflow. Int. J. Climatol., 20, 853–863.

Curtis, S., and R.F. Adler, 2003: The evolution of El Niño-precipitation relationships from satellites and gauges. J. Geophys. Res., 108, 4153, doi:10.1029/2002JD002690.

Czaja, A., A.W. Robertson, and T. Huck: 2003: The role of Atlantic ocean-atmosphere coupling in affecting North Atlantic Oscillation variability. In: The North Atlantic Oscillation: Climatic Significance and Environmental Impact [Hurrell, J.W., et al. (eds.)]. Geophysical Monograph 134, American Geophysical Union, Washington, DC, pp. 147–172.

Dai, A., 2006: Recent climatology, variability and trends in global surface humidity. J. Clim., 19, 3589–3606.

Dai, A., and K.E. Trenberth, 2002: Estimates of freshwater discharge from continents: Latitudinal and seasonal variations. J. Hydrometeorol., 3, 660–687.

Dai, A., and K.E. Trenberth, 2004: The diurnal cycle and its depiction in the Community Climate System Model. J. Clim., 17, 930–995.

Dai, A., I.Y. Fung, and A.D. Del Genio, 1997: Surface observed global land precipitation during 1900–1988. J. Clim., 10, 2943–2962.

Dai, A., K.E. Trenberth, and T.R. Karl, 1999: Effects of clouds, soil moisture, precipitation and water vapor on diurnal temperature range. J. Clim., 12, 2451–2473.

Dai A., K.E. Trenberth, and T. Qian, 2004a: A global data set of Palmer Drought Severity Index for 1870–2002: Relationship with soil moisture and effects of surface warming. J. Hydrometeorol., 5, 1117–1130.

Dai, A., et al., 2004b: The recent Sahel drought is real. Int. J. Climatol., 24, 1323–1331.

Dai, A., et al., 2006: Recent trends in cloudiness over the United States: A tale of monitoring inadequacies. Bull. Am. Meteorol. Soc, 87, 597–606.

De Laat, A.T.J., and A.N. Maurellis, 2006: Evidence for influence of anthropogenic surface processes on lower tropospheric and surface temperature trends. Int. J. Climatol., 26, 897–913.

DeGaetano, A.T., and R.J. Allen, 2002: Trends in twentieth-century extremes across the United States. J. Clim., 15, 3188–3205.

Delworth, T.L., and M.E. Mann, 2000: Observed and simulated multidecadal variability in the Northern Hemisphere. Clim. Dyn., 16, 661–676.

DeMott, C.A., and D.A. Randall, 2004: Observed variations of tropical convective available potential energy. J. Geophys. Res., 109, D02102, doi:10.1029/2003JD003784.

Déry, S.J., and E.F. Wood, 2005: Decreasing river discharge in northern Canada. Geophys. Res. Lett., 32, L10401, doi:10.1029/2005GL022845.

Deser, C., 2000: On the teleconnectivity of the Arctic Oscillation. Geophys. Res. Lett., 27, 779–782.

Deser, C., M.A. Alexander, and M.S. Timlin, 1996: Upper-ocean thermal variations in the North Pacific during 1970–1991. J. Clim., 9, 1840–1855.

Deser, C., M.A. Alexander, and M.S. Timlin, 1999: Evidence for a wind-driven intensification of the Kuroshio Current Extension from the 1970s to the 1980s. J. Clim., 12, 1697–1706.

Deser, C., J.E. Walsh, and M.S. Timlin, 2000: Arctic sea ice variability in the context of recent atmospheric circulation trends. J. Clim., 13, 617–633.

Deser, C., M.A. Alexander, and M. S. Timlin, 2003: Understanding the persistence of sea surface temperature anomalies in midlatitudes. J. Clim., 16, 57–72.

Deser, C., A.S. Phillips, and J.W. Hurrell, 2004: Pacific interdecadal climate variability: Linkages between the tropics and the north Pacific during boreal winter since 1900. J. Clim., 17, 3109–3124.

Dessler, A.E., and S.C. Sherwood, 2004: Effect of convection on the summertime extratropical lower stratosphere, J. Geophys. Res., 109, D23301, doi:10.1029/2004JD005209.

DeWeaver, E., and S. Nigam, 2000: Zonal-eddy dynamics of the North Atlantic Oscillation. J. Clim., 13, 3893–3914.

Dickson, R.R., et al., 2000: The Arctic Ocean response to the North Atlantic Oscillation. J. Clim., 13, 2671–2696.

Diem, J.E., and D.P. Brown, 2003: Anthropogenic impacts on summer precipitation in central Arizona, U.S.A. Professional Geogr., 55, 343–355.

Diggle, P.J., K.Y. Liang, and S.L. Zeger, 1999: Analysis of Longitudinal Data. Clarendon Press, Oxford, UK, 253 pp.

Ding, Y.H, C.Y. Li, and Y.J. Liu, 2004: Overview of the South China Seas monsoon experiment. Adv. Atmos. Sci., 21, 343–360.

Dixon, P.G., and T.L. Mote, 2003: Patterns and causes of Atlanta’s urban heat island-initiated precipitation. J. Appl. Meteorol., 42, 1273–1284.

Doswell, C.A., H.E. Brooks, and M.P. Kay, 2005: Climatological estimates of daily local nontornadic severe thunderstorm probability for the United States. Weather Forecasting, 20, 577–595.

Dotzek, N., 2003: An updated estimate of tornado occurrence in Europe. Atmos. Res., 67–68, 153–161.

Dotzek, N., et al., 2005: Observational evidence for exponential tornado intensity distributions over specific kinetic energy. Geophys. Res. Lett., 32, L24813, doi:10.1029/2005GL024583.

Doyle, M.E., and V.R. Barros, 2002: Midsummer low-level circulation and precipitation in subtropical South America and related sea surface temperature anomalies in the South Atlantic. J. Clim., 15, 3394–3410.

Duchon, C.E., 1979: Lanczos filtering in one and two dimensions. J Appl. Meteorol., 18, 1016−1022.

Durre, I., and J.M. Wallace, 2001: Factors influencing the cold-season diurnal temperature range in the United States. J. Clim., 14, 3263–3278.

Durre, I., T. Peterson, and R. Vose, 2002: Evaluation of the effect of the Luers-Eskridge radiation adjustments on radiosonde temperature homogeneity. J. Clim., 15, 1335–1347.

Durre, I., R.S. Vose, and D.B. Wuertz, 2006: Overview of the integrated global radiosonde archive. J. Clim., 19, 53–68.

Easterling, D.R., 2002: Recent changes in frost days and the frost-free season in the United States. Bull. Am. Meteorol. Soc., 83, 1327–1332.

Easterling, D.R., et al., 2000: Observed variability and trends in extreme climate events: A brief review. Bull. Am. Meteorol. Soc., 81, 417–425.

Easterling, D.R., et al., 2003: CCl/CLIVAR workshop to develop priority climate indices. Bull. Am. Meteorol. Soc., 84, 1403–1407.

Elliott, W.P., R.J. Ross, and W.H. Blackmore, 2002: Recent changes in NWS upper-air observations with emphasis on changes from VIZ to Vaisala radiosondes. Bull. Am. Meteorol. Soc., 83, 1003–1017.

Ellis, A.W., and J.J. Johnson, 2004: Hydroclimatic analysis of snowfall trends associated with the North American Great Lakes. J. Hydrometeorol., 5, 471–486.

Emanuel, K., 2003: Tropical cyclones. Annu. Rev. Earth. Planet. Sci., 31, 75–104.

Emanuel, K., 2005a: Increasing destructiveness of tropical cyclones over the past 30 years. Nature, 436, 686–688.

Emanuel, K., 2005b: Emanuel replies. Nature, 438, E13, doi:10.1038/nature04427.

Enfield, D.B., A.M. Mestas-Nuñez, and P.J Trimble, 2001: The Atlantic Multidecadal Oscillation and its relation to rainfall and river flows in the continental US. Geophys. Res. Lett., 28, 2077–2080.

Evans, M.N., et al., 2001: Support for tropically-driven Pacific decadal variability based on paleoproxy evidence. Geophys. Res. Lett., 28, 3689–3692.

Fauchereau, N., et al., 2003: Rainfall variability and changes in Southern Africa during the 20th century in the global warming context. Natural Hazards, 29, 139–154.

Feldstein, S.B., 2002: The recent trend and variance increase of the Annular Mode. J. Clim., 15, 88–94.

Fink, A.H., et al., 2004: The 2003 European summer heatwaves and drought – synoptic diagnosis and impacts. Weather, 59, 209−216.

Folland, C.K., and D.E. Parker, 1995: Correction of instrumental biases in historical sea surface temperature data. Q. J. R. Meteorol. Soc., 121, 319–367.

Folland, C.K., et al., 1993: A study of six operational sea surface temperature analyses. J. Clim., 6, 96–113.

Folland, C.K., et al., 1999: Large scale modes of ocean surface temperature since the late nineteenth century. In: Beyond El Niño: Decadal and Interdecadal Climate Variability [Navarra, A. (ed.)]. Springer-Verlag, Berlin, pp. 73–102.

Folland, C.K., et al., 2001: Predictability of North East Brazil rainfall and real-time forecast skill, 1987-1998. J. Clim., 14, 1937−1958.

Folland, C.K., et al., 2002: Relative influences of the interdecadal Pacific oscillation and ENSO on the South Pacific convergence zone. Geophys. Res. Lett., 29(13), doi:10.1029/2001GL014201.

Folland, C.K., et al., 2003: Trends and variations in South Pacific island and ocean surface temperature. J. Clim., 16, 2859–2874.

Forster, P.M.D., and K.P. Shine, 1999: Stratospheric water vapour changes as a possible contributor to observed stratospheric cooling. Geophys. Res. Lett., 26, 3309–3312.

Forster, P.M.D., and K.P. Shine, 2002: Assessing the climate impact of trends in stratospheric water vapor. Geophys. Res. Lett, 29, 1086, doi:10.1029/2001GL013909.

Forster, P.M.D., and S. Solomon, 2003: Observations of a “weekend effect” in diurnal temperature range. Proc. Natl. Acad. Sci. U.S.A., 100, 11225–11230.

Fowler, H.J., and C.G. Kilsby, 2003a: Implications of changes in seasonal and annual extreme rainfall. Geophys. Res. Lett., 30, 1720, doi:10.1029/2003GL017327.

Fowler, H.J., and C.G. Kilsby, 2003b: A regional frequency analysis of United Kingdom extreme rainfall from 1961 to 2000. Int. J. Climatol., 23, 1313–1334.

Frauenfeld, O.W., and R.E. Davis, 2003: Northern Hemisphere circumpolar vortex trends and climate change implications. J. Geophys. Res., 108, 4423, doi:10.1029/2002JD002958.

Free, M., and D. Seidel, 2005: Causes of differing temperature trends in radiosonde upper-air datasets. J. Geophys. Res., 110, D07101, doi:10.1029/2004JD005481.

Free, M., M. Bister, and K. Emanuel, 2004a: Potential intensity of tropical cyclones: comparison of results from radiosonde and reanalysis data. J. Clim., 17, 1722–1727.

Free, M., et al., 2002: Creating climate reference datasets: CARDS workshop on adjusting radiosonde temperature data for climate monitoring. Bull. Am. Meteorol. Soc., 83, 891–899.

Free, M., et al., 2004b: Using first differences to reduce inhomogeneity in radiosonde temperature datasets. J. Clim., 17, 4171–4179.

Frei, C., and C. Schär, 2001: Detection of probability of trends in rare events: Theory and application to heavy precipitation in the Alpine region. J. Clim., 14, 1568–1584.

Frich, P., et al., 2002: Observed coherent changes in climatic extremes during the second half of the twentieth century. Clim. Res., 19, 193–212.

Fu, Q., and C.M. Johanson, 2004: Stratospheric influence on MSU-derived tropospheric temperature trends: A direct error analysis. J. Clim., 17, 4636–4640.

Fu, Q., and C.M. Johanson, 2005: Satellite-derived vertical dependence of tropical tropospheric temperature trends. Geophys. Res. Lett., 32, L10703, doi:10.1029/2004GL022266.

Fu, Q., et al., 2004a: Contribution of stratospheric cooling to satellite-inferred tropospheric temperature trends. Nature, 429, 55–58.

Fu, Q., et al., 2004b: Stratospheric cooling and the troposphere (reply). Nature, 432, doi:10.1038/nature03210.

Fueglistaler, S., and P.H. Haynes, 2005: Control of interannual and longer-term variability of stratospheric water vapour. J. Geophys. Res., 110, D24108, doi:10.1029/2005JD006019.

Fueglistaler, S., H. Wernli, and T. Peter, 2004: Tropical troposphere-to-stratosphere transport inferred from trajectory calculations. J. Geophys. Res., 109, D03108, doi:10.1029/2003JD004069.

Fujibe, F., 2003: Long-term surface wind changes in the Tokyo metropolitan area in the afternoon of sunny days in the warm season. J. Meteorol. Soc. Japan, 81, 141–149.

Gallego, D., et al., 2005: A new look at the Southern Hemisphere jet stream. Clim. Dyn., 24, 607–621.

García, N.O., and W.M. Vargas, 1998: The temporal climatic variability in the ‘Río de la Plata’ basin displayed by the river discharges. Clim. Change, 38, 359–379.

GCOS, 2003: The Second Report on the Adequacy of the Global Observing Systems for Climate in Support of the UNFCCC. GCOS-82, WMO/TD No. 1143, Global Climate Observing System, 74 pp.

GCOS, 2004: GCOS Implementation Plan for the Global Observing System for Climate in support of UNFCCC. GCOS-92, WMO/TD 1219, Global Climate Observing System, 136 pp.

Gedalof, Z., N.J. Mantua, and D.L. Peterson, 2002: A multi-century perspective of variability in the Pacific Decadal Oscillation: new insights from tree rings and coral. Geophys. Res. Lett., 29, 2204, doi:10.1029/2002GL015824.

Geng, Q., and M. Sugi, 2001: Variability of the North Atlantic cyclone activity in winter analyzed from NCEP-NCAR reanalysis data. J. Clim., 14, 3863–3873.

Genta, J.L., G. Perez-Iribarren, and C.R. Mechoso, 1998: A recent increasing trend in the streamflow of rivers in southeastern South America. J. Clim., 11, 2858–2862.

Genthon, C., G. Krinner, and M. Sacchettini, 2003: Interannual Antarctic tropospheric circulation and precipitation variability. Clim. Dyn., 21, 289–307.

Gershunov, A., and T.P. Barnett, 1998: Interdecadal modulation of ENSO teleconnections. Bull. Am. Meteorol. Soc., 79, 2715–2725.

Gettelman, A., et al., 2002: Multi-decadal trends in tropical convective available potential energy. J. Geophys. Res., 107, 4606, doi:10.1029/2001JD001082.

Giannini, A., R. Saravannan, and P. Chang, 2003: Ocean forcing of Sahel rainfall on interannual to interdecadal time scales. Science, 302, 1027–1030.

Gilgen, H., M. Wild, and A. Ohmura, 1998: Means and trends of shortwave irradiance at the surface estimated from global energy balance archive data. J. Clim., 11, 2042–2061.

Gille, S.T., 2002: Warming of the Southern Ocean since the 1950s. Science, 295, 1275–1277.

Gillett, N.P., and D. Thompson, 2003: Simulation of recent Southern Hemisphere climate change. Science, 302, 273–275.

Gillett, N.P., B.D. Santer, and A.J. Weaver, 2004: Stratospheric cooling and the troposphere. Nature, 432, doi:10.1038/nature03209.

Gillett, N.P., R.J. Allan, and T.J. Ansell, 2005: Detection of external influence on sea level pressure with a multi-model ensemble. Geophys. Res. Lett., 32, L19714, doi:10.1029/2005GL023640.

Gillett, N.P., et al., 2003: Detection of human influence on sea-level pressure. Nature, 422, 292–294.

Goddard, L., and N.E. Graham, 1999: Importance of the Indian Ocean for simulating rainfall anomalies over eastern and southern Africa. J. Geophys. Res., 104, 19099–19116.

Goldenberg, S.B et al., 2001: The recent increase in Atlantic hurricane activity: causes and implications. Science, 293, 474–479.

Golubev, V.S., et al., 2001: Evaporation changes over the contiguous United States and the former USSR: A reassessment. Geophys. Res. Lett., 28, 2665–2668.

Gong, D.Y., and S.W. Wang, 1999: Definition of Antarctic oscillation index. Geophys. Res. Lett., 26, 459–462.

Gong D.Y., and S.W. Wang, 2000: Severe summer rainfall in China associated with enhanced global warming. Clim. Res., 16, 51–59.

Gong, D.Y., and C.-H. Ho, 2002: Shift in the summer rainfall over the Yangtze River valley in the late 1970s. Geophys. Res. Lett., 29(3), doi:10.1029/2001GL014523.

Gong, D.Y., S.W. Wang, and J.H. Zhu, 2001: East Asian winter monsoon and Arctic Oscillation. Geophys. Res. Lett., 28, 2073–2076.

Gong, G., D. Entekhabi, and J. Cohen, 2002: A large-ensemble model study of the wintertime AO-NAO and the role of interannual snow perturbations. J. Clim., 15, 3488–3499.

Gong, G., D. Entekhabi, and J. Cohen, 2003: Modeled Northern Hemisphere winter climate response to realistic Siberian snow anomalies. J. Clim., 16, 3917–3931.

Gower, J.F.R., 2002: Temperature, wind and wave climatologies, and trends from marine meteorological buoys in the northeast Pacific. J. Clim., 15, 3709–3718.

Graham, N.E., and H.F. Diaz, 2001: Evidence for intensification of North Pacific winter cyclones since 1948. Bull. Am. Meteorol. Soc., 82, 1869–1893.

Gray, S.T., et al., 2004: A tree-ring based reconstruction of the Atlantic Multidecadal Oscillation since 1567 A.D. Geophys. Res. Lett., 31, L12205, doi:10.1029/2004GL019932.

Gray, W.M., 1984: Atlantic seasonal hurricane frequency: Part I: El Niño and 30-mb quasi-biennial oscillation influences. Mon. Weather Rev., 112, 1649–1668.

Grieser, J., S. Trömel, and C.-D. Schönwiese, 2002: Statistical time series decomposition into significant components and application to European temperature. Theor. Appl. Climatol., 71, 171–183.

Griffiths, G.M., M.J. Salinger, and I. Leleu, 2003: Trends in extreme daily rainfall in the South Pacific and relations to the South Pacific Convergence Zone. Int. J. Climatol., 23, 847–869.

Griffiths, G.M., et al., 2005: Change in mean temperature as a predictor of extreme temperature change in the Asia-Pacific region. Int. J. Climatol., 25, 1301–1330.

Grist, J.P., and S.A. Josey, 2003: Inverse analysis of the SOC air-sea flux climatology using ocean heat transport constraints. J. Clim., 16, 3274–3295.

Grody, N.C., et al., 2004: Calibration of multi-satellite observations for climatic studies: Microwave sounding unit (MSU). J. Geophys. Res., 109, D24104, doi:10.1029/2004JD005079.

Groisman, P.Ya., and E.Ya. Rankova, 2001: Precipitation trends over the Russian permafrost-free zone: removing the artifacts of pre-processing. Int. J. Climatol., 21, 657–678.

Groisman, P.Ya., R.W. Knight, and T.R. Karl, 2001: Heavy precipitation and high streamflow in the contiguous United States: Trends in the 20th century. Bull. Am. Meteorol. Soc., 82, 219–246.

Groisman, P.Ya., et al., 2003. Contemporary climate changes in high latitudes of the Northern Hemisphere: Daily time resolution. In: Proceedings of the International Symposium on Climate Change, Beijing, China, 31 March–3 April, 2003. WMO/TD No. 1172, China Meteorological Press, Beijing, China, pp. 51–55.

Groisman, P.Ya., et al., 2004: Contemporary changes of the hydrological cycle over the contiguous United States: Trends derived from in situ observations. J. Hydrometeorol., 5, 64–85.

Groisman, P.Ya., et al., 2005: Trends in intense precipitation in the climate record. J. Clim., 18, 1326–1350.

Groisman, P.Ya., et al., 2007: Potential forest fire danger over northern Eurasia: Changes during the 20th century. Global Planet. Change, 46, doi:10.1016/j.gloplacha.2006.07.029.

Grollmann, T., and S. Simon, 2002: Flutkatastrophen – Boten des klimawandels. Z. Versicher., 53, 682–689.

Gruza, G.V., et al., 1999: Indicators of climatic change for the Russian Federation. Clim. Change, 42, 219–242.

Gu, D.F., and S.G.H. Philander, 1997: Interdecadal climate fluctuations that depend on exchanges between the tropics and extratropics. Science, 275, 805–807.

Guetter, A.K., and K.P. Georgakakos, 1993: River outflow of the conterminous United States, 1939–1988. Bull. Am. Meteorol. Soc., 74, 1873–1891.

Guichard, F., D. Parsons, and E. Miller, 2000: Thermodynamic and radiative impact of the correction of sounding humidity bias in the tropics. J. Clim., 13, 3611–3624.

Gulev, S.K., and L. Hasse, 1999: Changes of wind waves in the North Atlantic over the last 30 years. Int. J. Climatol., 19, 1091–1117.

Gulev, S.K., and V. Grigorieva, 2004: Last century changes in ocean wind wave height from global visual wave data. Geophys. Res. Lett., 31, L24302, doi:10.1029/2004GL021040.

Gulev, S. K., O. Zolina, and S. Grigoriev, 2001: Extratropical cyclone variability in the Northern Hemisphere winter from the NCEP/NCAR reanalysis data. Clim. Dyn., 17, 795–809.

Gulev, S.K., T. Jung, and E. Ruprecht, 2007: Estimation of the impact of sampling errors in the VOS observations on air-sea fluxes. Part II. Impact on trends and interannual variability. J. Clim., 20, 302–315.

Guo, Q.Y., et al., 2003: Interdecadal variability of East-Asian summer monsoon and its impact on the climate of China. Acta Geogr. Sin., 4, 569–576.

Gustafsson, M.E.R., 1997: Raised levels of marine aerosol deposition owing to increased storm frequency: A cause of forest decline in southern Sweden? Agric. For. Meteorol., 84, 169–177.

Guttman, N., 1991: A sensitivity analysis of the Palmer Hydrologic Drought Index. Water Resour. Bull., 27, 797–807.

Hahn, C.J., and S.G. Warren, 2003: Cloud Climatology for Land Stations Worldwide, 1971–1996. Report NDP-026D, Carbon Dioxide Information Analysis Center, Oak Ridge, TN, USA, 35 pp., http://cdiac.ornl.gov/epubs/ndp/ndp026d/ndp026d.html.

Haimberger, L., 2005: Homogenization of Radiosonde Temperature Time Series Using ERA-40 Analysis Feedback Information. ERA-40 Project Report Series 23, European Centre for Medium Range Weather Forecasts, Reading, UK, 68 pp.

Hansen, J., et al., 2001: A closer look at United States and global surface temperature change. J. Geophys. Res., 106, 23947–23963.

Harnik, N., and E.K.M. Chang, 2003: Storm track variations as seen in radiosonde observations and reanalysis data. J. Clim., 16, 480–495.

Harris, B.A., and G.A Kelly, 2001: A satellite radiance bias correction scheme for data assimilation. Q. J. R. Meteorol. Soc., 127, 1453–1468.

Hartmann, D.L., and F. Lo, 1998: Wave-driven flow vacillation in the Southern Hemisphere. J. Atmos. Sci., 55, 1303–1315.

Hartmann, D.L., et al., 2000: Can ozone depletion and global warming interact to produce rapid climate change? Proc. Natl. Acad. Sci. U.S.A., 97, 1412–1417.

Hatsushika, H., and K. Yamazaki, 2003: The stratospheric drain over Indonesia and dehydration within the tropical tropopause layer diagnosed by air parcel trajectories. J. Geophys. Res., 108, 4610, doi:10.1029/2002JD002986.

Hatzianastassiou, N., et al., 2004: Long-term global distribution of Earth’s shortwave radiation budget at the top of atmosphere. Atmos. Chem. Phys., 4, 1217–1235.

Haylock, M.R., and C.M. Goodess, 2004: Interannual variability of extreme European winter rainfall and links with mean large-scale circulation. Int. J. Climatol., 24, 759–776.

Haylock M.R., et al., 2006. Trends in total and extreme South American rainfall in1960-2000 and links with sea surface temperature. J. Clim., 19, 1490−1512.

He, H., et al., 2003: Some climatic features of the tropical cyclones landed onto Guangdong Province during the recent 50 years. Sci. Meteorol. Sin., 23, 401–409 (in Chinese with English abstract).

Heim, R.R., 2002: A review of twentieth-century drought indices used in the United States. Bull. Am. Meteorol. Soc., 83, 1149−1165.

Held, I.M., and B.J. Soden, 2000: Water vapor feedback and global warming. Annu. Rev. Energy Environ., 25, 441–475.

Henderson-Sellers, A., 1992: Continental cloudiness changes this century. GeoJournal, 27, 255–262.

Hennessy, K.J., R. Suppiah, and C.M. Page, 1999: Australian rainfall changes, 1910–1995. Aust. Meteorol. Mag., 48, 1–13.

Herath, S., and U. Ratnayake, 2004: Monitoring rainfall trends to predict adverse impacts – a case study from Sri Lanka (1964–1993). Global Environ. Change, 14, 71–79.

Higgins, R.W., and W. Shi, 2000: Dominant factors responsible for interannual variability of the summer monsoon in the southwestern United States. J. Clim., 13, 759–776.

Highwood, E.J., B.J. Hoskins, and P. Berrisford, 2000: Properties of the Arctic tropopause. Q. J. R. Meteorol. Soc., 126, 1515–1532.

Hines, K.M., D.H. Bromwich, and G.J. Marshall, 2000: Artificial surface pressure trends in the NCEP-NCAR reanalysis over the Southern Ocean and Antarctica. J. Clim., 13, 3940–3952.

Ho, C.-H., et al., 2003: A sudden change summer rainfall characteristics in Korea during the late 1970s. Int. J. Climatol., 23, 117–128.

Hobbins, M.T., J.A. Ramirez, and T.C. Brown, 2004: Trends in pan evaporation and actual evapotranspiration across the conterminous U.S.: Paradoxical or complementary? Geophys. Res. Lett., 31, L13503, doi:10/10029/2004GL019846.

Hodgkins, G.A., R.W. Dudley, and T.G. Huntington, 2003: Changes in the timing of high river flows in New England over the 20th century. J. Hydrol., 278, 244–252.

Hoerling, M., and A. Kumar, 2003: The perfect ocean for drought. Science, 299, 691–694.

Horel, J.D., and J.M. Wallace, 1981: Planetary-scale atmospheric phenomena associated with the Southern Oscillation. Mon. Weather Rev., 109, 813–829.

Hoskins, B.J., and D.J. Karoly, 1981: Steady linear response of a spherical atmosphere to thermal and orographic forcing. J. Atmos. Sci., 38, 1179–1196.

Hu, Q., Y. Tawaye, and S. Feng, 2004: Variations of the Northern Hemisphere atmospheric energetics: 1948–2000. J. Clim., 17, 1975–1986.

Huang, R.H., L. Zhou, and W. Chen, 2003: The progresses of recent studies on the variabilities of the East Asian monsoon and their causes. Adv. Atmos. Sci., 1, 55–69.

Huffman, G., et al., 1997: The Global Precipitation Climatology Project (GPCP): combined precipitation dataset. Bull Am. Meteorol. Soc., 78, 5–20.

Hughes, C.W., et al., 2003: Coherence of Antarctic sea levels, Southern Hemisphere Annular Mode, and flow through the Drake Passage. Geophys. Res. Lett., 30, 1464, doi:10.1029/2003GL017240.

Huntington, T.G., 2006: Evidence for intensification of the global water cycle: Review and synthesis. J. Hydrol., 319, 83−95.

Huntington, T.G., et al., 2004: Changes in the proportion of precipitation occurring as snow in New England (1949–2000). J. Clim., 17, 2626–2636.

Hurrell, J.W., 1995: Decadal trends in the North Atlantic Oscillation and relationships to regional temperature and precipitation. Science, 269, 676–679.

Hurrell, J.W., 1996: Influence of variations in extratropical wintertime teleconnections on Northern Hemisphere temperature. Geophys. Res. Lett., 23, 665–668.

Hurrell, J.W., and H. van Loon, 1994: A modulation of the atmospheric annual cycle in the Southern Hemisphere. Tellus, 46A, 325–338.

Hurrell, J.W., and H. van Loon, 1997: Decadal variations associated with the North Atlantic Oscillation. Clim. Change, 36, 301–326.

Hurrell, J.W., and K.E. Trenberth, 1999: Global sea surface temperature analyses: multiple problems and their implications for climate analysis, modeling and reanalysis. Bull. Am. Meteorol. Soc., 80, 2661–2678.

Hurrell, J.W., M.P. Hoerling, and C.K. Folland, 2001: Climatic variability over the North Atlantic. In: Meteorology at the Millennium [Pearce, R. (ed.)]. Academic Press, London, pp. 143–151.

Hurrell, J.W., et al., 2000: Comparison of tropospheric temperatures from radiosondes and satellites: 1979–98. Bull. Am. Meteorol. Soc., 81, 2165–2177.

Hurrell, J.W., et al., 2002: The relationship between tropical Atlantic rainfall and the summer circulation over the North Atlantic. In: Proc. U. S. CLIVAR Atlantic Conf., June 12-14, 2001, Boulder, CO, [Legler, D. (ed.)]. U.S. CLIVAR Office, 193pp. 108–110.

Hurrell, J.W., et al., 2003: An overview of the North Atlantic Oscillation. In: The North Atlantic Oscillation: Climatic Significance and Environmental Impact [Hurrell, J.W., et al. (eds.)]. Geophysical Monograph 134, American Geophysical Union, Washington, DC, pp. 1–35.

Hurrell, J.W., et al., 2004: Twentieth century North Atlantic climate change. Pt I: Assessing determinism. Clim. Dyn., 23, 371–389.

Indeje, M., H.F.M. Semazzi, and L.J.Ogallo, 2000. ENSO signals in East African rainfall seasons. Int. J. Climatol., 20, 19–46.

Inoue, T., and F. Kimura, 2004: Urban effects on low-level clouds around the Tokyo metropolitan area on clear summer days. Geophys. Res. Lett., 31, L05103, doi:10.1029/2003GL018908.

IPCC, 1999: Aviation and the Global Atmosphere [Penner, J. E., et al. (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 384pp.

IPCC, 2001: Climate Change 2001: The Scientific Basis. Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change [Houghton, J.T., et al. (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 881 pp.

Ishii, M., et al., 2005: Objective analysis of SST and marine meteorological variables for the 20th Century using ICOADS and the Kobe Collection. Int. J. Climatol., 25, 865–879.

Iskenderian, H., and R. Rosen, 2000: Low-frequency signals in mid-tropospheric submonthly temperature variance. J. Clim., 13, 2323–2333.

Jacobowitz, H., et al., 2003: The Advanced Very High Resolution Radiometer Pathfinder Atmosphere (PATMOS) climate dataset: A resource for climate research. Bull. Am. Meteorol. Soc., 84, 785–793.

Jacobs, G.A., and J.L. Mitchell, 1996: Ocean circulation variations associated with the Antarctic Circumpolar Wave. Geophys. Res. Lett., 23, 2947–2950.

Janicot, S., S. Trzaska, and I. Poccard, 2001: Summer Sahel-ENSO teleconnection and decadal time scale SST variations. Clim. Dyn., 18, 303–320.

Jauregui, E., and E. Romales, 1996: Urban effects on convective precipitation in Mexico City. Atmos. Environ., 30, 3383–3389.

Jin, M., and R.E. Dickinson, 2002: New observational evidence for global warming from satellite. Geophys. Res. Lett., 29(10), doi:10.1029/2001GL013833.

Jin, M., J.M. Shepherd, and M.D. King, 2005: Urban aerosols and their interaction with clouds and rainfall: A case study for New York and Houston. J. Geophys. Res., 110, D10S20, doi:10.1029/2004JD005081.

Jones, D., et al., 2004. A new tool for tracking Australia’s climate variability and change. Bull. Aust. Meteorol. Oceanogr. Soc., 17, 65–69.

Jones, J.M., and M. Widmann, 2004: Variability of the Antarctic Oscillation during the 20th century. Nature, 432, 290–291.

Jones, P.D., and A. Moberg, 2003: Hemispheric and large-scale surface air temperature variations: An extensive revision and update to 2001. J. Clim., 16, 206–223.

Jones, P.D., T. Jónsson, and D. Wheeler, 1997: Extension to the North Atlantic Oscillation using early instrumental pressure observations from Gibraltar and south-west Iceland. Int. J. Climatol., 17, 1433–1450.

Jones, P.D., T.J. Osborn, and K.R. Briffa, 2003: Pressure-based measures of the North Atlantic Oscillation (NAO): A comparison and an assessment of changes in the strength of the NAO and in its influence on surface climate parameters. In: The North Atlantic Oscillation: Climatic Significance and Environmental Impact [Hurrell, J.W., et al. (eds.)]. Geophysical Monograph 134, American Geophysical Union, Washington, DC, pp. 51–62.

Jones, P.D., et al., 1990: Assessment of urbanization effects in time series of surface air temperature over land. Nature, 347, 169–172.

Josey, S.A., and R. Marsh, 2005: Surface freshwater flux variability and recent freshening of the North Atlantic in the eastern subpolar gyre. J. Geophys. Res., 110, C05008, doi:10.1029/2004JC002521.

Joshi, M.M., and K.P. Shine, 2003: A GCM study of volcanic eruptions as a cause of increased stratospheric water vapour. J. Clim., 16, 3525–3534.

Jury, M.R., 2003: The coherent variability of African river flows: composite climate structure and the Atlantic Circulation. Water SA, 29, 1–10.

Kaiser, D.P., 1998: Analysis of total cloud amount over China, 1951–1994. Geophys. Res. Lett, 25, 3599–3602.

Kaiser, D.P., and Y. Qian, 2002: Decreasing trends in sunshine duration over China for 1954–1998: Indication of increased haze pollution? Geophys. Res. Lett., 29, 2042, doi:10.1029/2002GL016057.

Kalnay, E., and M. Cai, 2003: Impact of urbanization and land-use change on climate. Nature, 423, 528–531.

Kalnay, E., et al., 1996: The NCEP/NCAR Reanalysis Project. Bull. Am. Meteorol. Soc., 77, 437–471.

Karl, T.R., S.J. Hassol, C.D. Miller, and W.L. Murray (eds.), 2006: Temperature Trends in the Lower Atmosphere: Steps for Understanding and Reconciling Differences. A report by the Climate Change Science Program and Subcommittee on Global Change Research, Washington, DC, 180pp., http://www.climatescience.gov/Library/sap/sap1-1/finalreport/default.htm.

Karoly, D.J., 2003: Ozone and climate change. Science, 302, 236–237.

Karoly, D.J., and Q. Wu, 2005: Detection of regional surface temperature trends. J. Clim., 18, 4337–4343.

Karoly, D.J., et al., 2003: Global warming contributes to Australia’s worst drought. Australasian Science, April, 14–17.

Kaufman, Y.J., D. Tanré, and O. Boucher, 2002: A satellite view of aerosols in the climate system. Nature, 419, 215–223.

Keable, M., I. Simmonds, and K. Keay, 2002: Distribution and temporal variability of 500 hPa cyclone characteristics in the Southern Hemisphere. Int. J. Climatol., 22, 131–150.

Keetch, J.J., and G.M. Byrum, 1988: A Drought Index for Forest Fire Control. Research Paper SE-38, US Department of Agriculture, Asheville, NC, 32 pp., http://www.fl-dof.com/fire_weather/information/se038_keetchbyram_di.pdf.

Kent, E.C., and A. Kaplan, 2006: Toward estimating climatic trends in SST data, part 3: Systematic biases. J. Atmos. Ocean. Technol., 23, 487–500.

Kerr, R., 2000: A North Atlantic climate pacemaker for the centuries. Science, 288, 1984–1985.

Kharin, V.V., and F.W. Zwiers, 2000: Changes in extremes in an ensemble of transient climate simulations with a coupled atmosphere-ocean GCM. J. Clim., 13, 3760–3780.

Kidson, J.W., 1999: Principal modes of Southern Hemisphere low frequency variability obtained from NCEP-NCAR reanalyses. J. Clim., 12, 2808–2830.

Kiehl, J.T., and K.E. Trenberth, 1997: Earth’s annual global mean energy budget. Bull. Am. Meteorol. Soc., 78, 197–208.

Kiehl, J.T., J.M. Caron, and J.J. Hack, 2005: On using global climate model simulations to assess the accuracy of MSU retrieval methods for tropospheric warming trends. J. Clim., 18, 2533–2539.

Kiktev, D., et al., 2003: Comparison of modeled and observed trends in indices of daily climate extremes. J. Clim., 16, 3560–3571.

Kilpatrick, K.A., G.P. Podesta, and R. Evans, 2001: Overview of the NOAA/NASA advanced very high resolution radiometer Pathfinder algorithm for sea surface temperature and associated matchup database. J. Geophys. Res., 106, 9179–9198.

Kinter III, J.L., K. Miyakoda, and S. Yang, 2002: Recent change in the connection from the Asia monsoon to ENSO. J. Clim., 15, 1203–1215.

Kinter III, J.L., et al., 2004: An evaluation of the apparent interdecadal shift in the tropical divergent circulation in the NCEP–NCAR reanalysis. J. Clim., 17, 349–361.

Kistler, R., et al., 2001: The NCEP-NCAR 50-year reanalysis: Month means CD-ROM and documentation. Bull. Am. Meteorol. Soc., 82, 247–268.

Klein Tank, A.M.G., and G.P. Können, 2003: Trends in indices of daily temperature and precipitation extremes in Europe, 1946–1999. J. Clim., 16, 3665–3680.

Klein Tank, A.M.G., et al., 2006: Changes in daily temperature and precipitation extremes in central and south Asia. J. Geophys. Res., 111, D16105, doi:10.1029/2005JD006316.

Kley, D., J.M. Russell, and C. Phillips, 2000: SPARC Assessment of Upper Tropospheric and Stratospheric Water Vapour. WCRP Report No. 113, WMO/TD Report No. 1043, World Climate Research Programme, Geneva, 325 pp.

Geophys. Res. Lett.33

Knight, J., et al., 2005: A signature of persistent natural thermohaline circulation cycles in observed climate. Geophys. Res. Lett., 32, L20708, doi: 1029/2005GL024233.

Knutson, T.R., and S. Manabe, 1998: Model assessment of decadal variability and trends in the Tropical Pacific Ocean. J. Clim., 11, 2273–2296

Kodera, K., and H. Koide, 1997: Spatial and seasonal characteristics of recent decadal trends in the northern hemispheric troposphere and stratosphere. J. Geophys. Res., 102, 19433–19447.

Kodera, K., Y. Kuroda, and S. Pawson, 2000: Stratospheric sudden warmings and slowly propagating zonal-mean zonal wind anomalies. J. Geophys. Res., 105, 12351–12359.

Können, G.P., et al., 1998: Pre-1866 extensions of the Southern Oscillation index using early Indonesian and Tahitian meteorological readings. J. Clim., 11, 2325–2339.

Kostopoulou, E., and P.D. Jones, 2005: Assessment of climate extremes in the eastern Mediterranean. Meteorol. Atmos. Phys., 89, 69–85.

Krepper, C.M., N.O. García, and P.D. Jones, 2003: Interannual variability in the Uruguay River basin. Int. J. Climatol., 23, 103–115.

Kripalani, R.H., and A. Kulkarni, 1997a: Climatic impact of El Niño / La Niña on the Indian monsoon: A new perspective. Weather, 52, 39–46.

Kripalani, R.H., and A. Kulkarni, 1997b: Rainfall variability over Southeast Asia: Connections with Indian monsoon and ENSO extremes: New perspectives. Int. J. Climatol., 17, 1155–1168.

Kripalani, R.H., and A. Kulkarni, 2001: Monsoon rainfall variations and teleconnections over South and East Asia. Int. J. Climatol., 21, 603–616.

Kripalani, R.H., A. Kulkarni, and S.S. Sabade, 2001: El Niño Southern Oscillation, Eurasian snow cover and the Indian monsoon rainfall. Proc. Indian Nat. Sci. Acad., 67A, 361–368.

Kripalani, R.H., et al., 2003: Indian monsoon variability in a global warming scenario. Natural Hazards, 29, 189–206.

Krishnamurthy, V., and B.N. Goswami, 2000: Indian monsoon-ENSO relationship on interdecadal timescale. J. Clim., 13, 579–595.

Krüger, K., B. Naujokat, and K. Labitzke, 2005: The unusual midwinter warming in the southern hemisphere stratosphere in 2002: A comparison to northern hemisphere phenomena. J. Atmos. Sci., 62, 602–613.

Kuleshov, Y., and G. de Hoedt, 2003: Tropical cyclone activity in the Southern Hemisphere. Bull. Aust. Meteorol. Oceanogr. Soc., 16, 135–137.

Kumar, K.K., B. Rajagopalan, and A.M. Cane, 1999: On the weakening relationship between the Indian monsoon and ENSO. Science, 284, 2156–2159.

Kundzewicz, Z.W., et al., 2005: Trend detection in river flow: 1. Annual maximum flow. Hydrolog. Sci., 50, 797−810.

Kunkel, K.E., et al., 2003: Temporal variations of extreme precipitation events in the United States: 1895–2000. Geophys. Res. Lett., 30, 1900, doi:10.1029/2003GL018052.

Kunkel, K.E., et al., 2004: Temporal variations in frost-free season in the United States: 1895–2000. Geophys. Res. Lett., 31, L03201, doi:10.1029/2003GL018624.

Kwok, R., and J.C. Comiso, 2002a: Southern ocean climate and sea ice anomalies associated with the Southern Oscillation. J. Clim., 15, 487–501.

Kwok, R., and J.C. Comiso, 2002b: Spatial patterns of variability in Antarctic surface temperature: Connections to the Southern Hemisphere Annular Mode and the Southern Oscillation. Geophys. Res. Lett., 29, 1705, doi:10.1029/2002GL015415.

Labat, D., et al., 2004: Evidence for global runoff increase related to climate warming. Adv. Water Resour., 27, 631–642.

Labitzke, K., and M. Kunze, 2005: Stratospheric temperature over the Arctic: Comparison of three data sets. Meteorol. Z., 14, 65–74.

Lambert, S.J., 1996: Intense extratropical Northern Hemisphere winter cyclone events: 1899–1991. J. Geophys. Res., 101, 21319–21325.

Lammers, R.B., et al., 2001: Assessment of contemporary Arctic river runoff based on observational discharge records. J. Geophys. Res., 106, 3321–3334.

Lander, M., 1994: An exploratory analysis of the relationship between tropical storm formation in the Western North Pacific and ENSO. Mon. Weather Rev., 122, 636–651.

Landsea, C.W., 2005: Hurricanes and global warming: Arising from Emanuel 2005a. Nature, 438, E11–E13, doi:10.1038/nature04477.

Landsea, C.W., et al., 1998: The extremely active 1995 Atlantic hurricane season: Environmental conditions and verification of seasonal forecasts. Mon. Weather Rev., 126, 1174–1193.

Langematz, U., et al., 2003: Thermal and dynamical changes of the stratosphere since 1979 and their link to ozone and CO2 changes. J. Geophys. Res., 108, 4027, doi:10.1029/2002JD002069.

Lanzante, J.R., S.A. Klein, and D.J. Seidel, 2003a: Temporal homogenization of monthly radiosonde temperature data. Pt I: Methodology. J. Clim., 16, 224–240.

Lanzante, J.R., S.A. Klein, and D.J. Seidel, 2003b: Temporal homogenization of monthly radiosonde temperature data. Pt II: Trends, sensitivities, and MSU comparison. J. Clim., 16, 241–262.

Latif, M., 2001: Tropical Pacific/Atlantic ocean interactions at multi-decadal time scales. Geophys. Res. Lett., 28, 539–542.

Latif, M., R. Kleeman, and C. Eckert, 1997: Greenhouse warming, decadal variability, or El Nino? An attempt to understand the anomalous 1990s. J. Clim., 10, 2221–2239.

Lau, N-C., and M.J. Nath, 2004: Coupled GCM simulation of atmosphere-ocean variability associated with zonally asymmetric SST changes in the tropical Indian Ocean. J. Clim., 17, 245−265.

Lawrimore, J., et al., 2002: Beginning a new era of drought monitoring across North America. Bull. Am. Meteorol. Soc., 83, 1191–1192.

Le Barbe, L., T. Lebel, and D. Tapsoba, 2002: Rainfall variability in West Africa during the years 1950–1990. J. Clim., 15, 187–202.

Lefebvre, W., et al., 2004: Influence of the Southern Annular Mode on the sea ice-ocean system. J. Geophys. Res., 109, C09005, doi:10.1029/2004JC002403.

Levinson, D.H. (ed.), 2005: State of the climate in 2004. Bull. Am. Meteorol. Soc., 86(6), S1–S84.

Levinson, D.H., and A.M. Waple (eds.), 2004: State of the climate in 2003. Bull. Am. Meteorol. Soc., 85(6), S1–S72.

L’Heureux, M.L., and D.W.J. Thompson, 2006: Observed relationships between the El Niño–Southern Oscillation and the extratropical zonal-mean circulation. J. Clim., 19, 276–287.

Li, Q., et al., 2004: Urban heat island effect on annual mean temperature during the last 50 years in China. Theor. Appl.Climatol., 79, 165–174.

Li, W., and P.M. Zhai, 2003: Variability in occurrence of China’s spring dust storm and its relationship with atmospheric general circulation. Acta Meteorol. Sin., 17(4), 396–405.

Liebmann, B., et al., 1999: Submonthly convective variability over South America and the South Atlantic convergence zone. J. Clim., 12, 1877–1891.

Liebmann, B., et al., 2004: An observed trend in Central South American precipitation. J. Clim., 22, 4357–4367.

Liepert, B.G., 2002: Observed reductions of surface solar radiation at sites in the United States and worldwide from 1961 to 1990. Geophys. Res. Lett., 29, 1421, 10.1029/2002GL014910.

Liepert, B.G., et al., 2004: Can aerosols spin down the water cycle in a warmer and moister world? Geophys. Res. Lett., 31, doi:10.1029/2003GL019060.

Lim, E.-P., and I. Simmonds, 2002: Explosive cyclone development in the Southern Hemisphere and a comparison with Northern Hemisphere events. Mon. Weather Rev., 130, 2188–2209.

Limpasuvan, V., and D.L. Hartmann, 2000: Wave-maintained annular modes of climate variability. J. Clim., 13, 4414–4429.

Limpasuvan, V., D. Thompson and D. Hartmann, 2004: The life cycle of northern hemispheric sudden stratospheric warmings. J. Clim., 17, 2584–2596.

Lins, H.F., and J.R. Slack, 1999: Streamflow trends in the United States. Geophys. Res. Lett., 26, 227–230.

Linsley, B.K., et al., 2004: Geochemical evidence from corals for changes in the amplitude and spatial pattern of South Pacific interdecadal climate variability over the last 300 years. Clim. Dyn., 22, doi:10.1007/s00382-003-0364-y.

Liu, B.H., et al., 2004a: A spatial analysis of pan evaporation trends in China, 1955–2000. J. Geophys. Res., 109, D15102, doi:10.1029/2004JD004511.

Liu, J., J.A. Curry, and D.G. Martinson, 2004b: Interpretation of recent Antarctic sea ice variability. Geophys. Res. Lett., 31, L02205, doi:10.1029/2003GL018732.

Liu, K.S., and J.C.L. Chan, 2003: Climatological characteristics and seasonal forecasting of tropical cyclones making landfall along the south China coast. Mon. Weather Rev., 131, 1650–1662.

Lorenz, D.J., and D.L. Hartmann, 2001: Eddy–zonal flow feedback in the Southern Hemisphere. J. Atmos. Sci., 58, 3312–3327.

Lorenz, D.J., and D.L. Hartmann, 2003: Eddy-zonal flow feedback in the Northern Hemisphere winter. J. Clim., 16, 1212–1227.

Lozano, I., and V. Swail, 2002: The link between wave height variability in the North Atlantic and the storm track activity in the last four decades. Atmos.-Ocean, 40, 377–388.

Lucarini, V., and G.L. Russell, 2002: Comparison of mean climate trends in the Northern Hemisphere between National Centers for Environmental Prediction and two atmosphere-ocean model forced runs. J. Geophys. Res., 107, 4269, doi:10.1029/2001JD001247.

Lugina, K.M., et al., 2005: Monthly surface air temperature time series area-averaged over the 30-degree latitudinal belts of the globe, 1881-2004. In: Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, US Department of Energy, Oak Ridge, TN, http://cdiac.esd.ornl.gov/trends/temp/lugina/lugina.html.

Luo, Y., et al., 2001: Characteristics of spatial distribution of yearly variation of aerosol optical depth over China in the last 30 years. J. Geophys. Res., 106(D13), 14501–14513.

Luterbacher, J., et al., 2004: European seasonal and annual temperature variability, trends, and extremes since 1500. Science, 303, 1499–1503.

Ma, Z.G., and C.B. Fu, 2003: Interannual characteristics of the surface hydrological variables over the arid and semi-arid areas of northern China. Global Planet. Change, 37, 189-200.

Madden, R.A., and J. Williams, 1978: The correlation between temperature and precipitation in the United States and Europe. Mon. Weather Rev., 106, 142–147.

Maheras, P., et al., 2004: On the relationships between circulation types and changes in rainfall variability in Greece. Int. J. Climatol., 24, 1695–1712.

Maistrova, V.V., et al., 2003: Long-term trends in temperature and specific humidity of free atmosphere in the Northern Polar region. Dokl. Earth Sci., 391, 755–759.

Mann, M.E., 2004: On smoothing potentially non-stationary climate time series. Geophys. Res. Lett., 31, L07214, doi:10.1029/2004GL019569.

Manney, G., et al., 2005: The remarkable 2003–2004 winter and other recent warm winters in the Arctic stratosphere since the late 1990s. J. Geophys. Res., 110, D04107, doi:10.1029/2004JD005367.

Manton, M.J., et al., 2001: Trends in extreme daily rainfall and temperature in Southeast Asia and the South Pacific: 1961–1998. Int. J. Climatol., 21, 269–284.

Mantua, N.J., and S.J. Hare, 2002: The Pacific Decadal Oscillation. J. Oceanogr., 58, 35–44.

Mantua, N.J., et al., 1997: A Pacific interdecadal climate oscillation with impacts on salmon production. Bull. Am. Meteorol. Soc., 78, 1069–1079.

Marengo, J., 2004: Interdecadal variability and trends of rainfall across the Amazon Basin. Theor. Appl. Climatol., 78, 79–96.

Marengo, J.A., et al., 2004: Climatology of the low-level jet east of the Andes as derived from the NCEP–NCAR Reanalyses: Characteristics and temporal variability. J. Clim., 17, 2261–2280.

Marshall, G.J., 2002: Analysis of recent circulation and thermal advection change on the northern Antarctic Peninsula. Int. J. Climatol., 22, 1557–1567.

Marshall, G.J., 2003: Trends in the Southern Annular Mode from observations and reanalyses. J. Clim., 16, 4134–4143.

Marshall, G.J., et al., 2004: Causes of exceptional atmospheric circulation changes in the Southern Hemisphere. Geophys. Res. Lett., 31, L14205, doi:10.1029/2004GL019952.

Marshall, J., H. Johnson, and J. Goodman, 2001: A study of the interaction of the North Atlantic Oscillation with the ocean circulation. J. Clim., 14, 1399–1421.

Martyn, D., 1992: Climates of the World. Elsevier, Amsterdam, 436 pp.

Maugeri, M., et al., 2001: Trends in Italian cloud amount 1951-1996. Geophys. Res. Lett., 28, 4551−4554.

Mauget, S.A., 2003a: Intra- to multidecadal climate variability over the continental United States: 1932–99. J. Clim., 16, 2215–2231.

Mauget, S.A., 2003b: Multidecadal regime shifts in US streamflow, precipitation, and temperature at the end of the twentieth century. J. Clim., 16, 3905–3916.

McBride, J.L., 1998: Indonesia, Papua New Guinea, and tropical Australia: The southern hemisphere monsoon. In: Meteorology of the Southern Hemisphere [Karoly, D., and D. Vincent (eds.)]. American Meteorological Society, Boston, MA, pp. 89–99.

McCabe, G.J., and D.M. Wolock, 2002: Trends and temperature sensitivity of moisture conditions in the conterminous United States. Clim. Res., 20, 19–29.

McCabe, G.J., M.P. Clark, and M.C. Serreze, 2001: Trends in Northern Hemisphere surface cyclone frequency and intensity. J. Clim., 14, 2763–2768.

McCabe, G.J., M. Palecki, and J.L. Betancourt, 2004: Pacific and Atlantic Ocean influences on multi-decadal drought frequency in the United States. Proc. Natl. Acad. Sci. U.S.A., 101, 4136–4141.

McCarthy, M.P., and R. Toumi, 2004: Observed interannual variability of tropical troposphere relative humidity. J. Clim., 17, 3181–3191.

McKitrick, R., and P.J. Michaels, 2004: A test of corrections for extraneous signals in gridded surface temperature data. Clim. Res., 26, 159–173.

McPhaden, M.J., and D. Zhang, 2002: Slowdown of the meridional overturning circulation of the upper Pacific ocean. Nature, 415, 603–608.

Mears, C.A., and F.J. Wentz, 2005: The effect of diurnal correction on satellite-derived lower tropospheric temperature. Science, 309, 1548–1551.

Mears, C.A., M.C. Schabel, and F.J. Wentz, 2003: A reanalysis of the MSU channel 2 tropospheric temperature record. J. Clim., 16, 3650–3664.

Mehta, A., and J. Susskind, 1999: Outgoing longwave radiation from the TOVS Pathfinder Path A data set. J. Geophys. Res., 104, 12193–12212.

Menon, S., et al., 2002: Climate effects of black carbon aerosols in China and India. Science, 297, 2250–2253.

Meredith, M.P., et al., 2004: Changes in the ocean transport through Drake Passage during the 1980s and 1990s, forced by changes in the Southern Annular Mode. Geophys. Res. Lett., 31, L21305, doi:10.1029/2004GL021169.

Milly, P.C.D., and K.A. Dunne, 2001: Trends in evaporation and surface cooling in the Mississippi River basin. Geophys. Res. Lett., 28, 1219–1222.

Milly, P.C.D., et al., 2002: Increasing risk of great floods in a changing climate. Nature, 415, 514–517.

Miloshevich, L.M., et al., 2004: Development and validation of a time-lag correction for Vaisala radiosonde humidity measurements. J. Atmos. Ocean. Technol., 21, 1305–1327.

Minnis, P., et al., 2004: Contrails, cirrus trends, and climate. J. Clim., 17, 1671–1685.

Minschwaner, K., and A.E. Dessler, 2004: Water vapor feedback in the tropical upper troposphere: Model results and observations. J. Clim., 17, 1272–1282.

Minobe, S., 1997: A 50–70 year climatic oscillation over the North Pacific and North America. Geophys. Res. Lett., 24, 683–686.

Minobe, S., 1999: Resonance in bidecadal and pentadecadal oscillations over the North Pacific: Role in climate regime shifts. Geophys. Res. Lett., 26, 855–858.

Minobe, S., and T. Nakanowatari, 2002: Global structure of bidecadal precipitation variability in boreal winter. Geophys. Res. Lett., 29, 1396, doi:10.1029/2001GL014447.

Mitas, C.M., and A. Clement, 2005: Has the Hadley cell been strengthening in recent decades? Geophys. Res. Lett., 32, L03809, doi:10.1029/2004GL021765.

Mitchell, T.D., and P.D. Jones, 2005: An improved method of constructing a database of monthly climate observations and associated high-resolution grids. Int. J. Climatol., 25, 693–712

Mo, K.C., 2000: Relationships between low-frequency variability in the Southern Hemisphere and sea surface temperature anomalies. J. Clim., 13, 3599–3610.

Mo, K.C., and R.W. Higgins, 1998: The Pacific-South American modes and tropical convection during the Southern Hemisphere winter. Mon. Weather Rev., 126, 1581–1596.

Moberg, A., and P.D. Jones, 2005: Trends in indices for extremes of daily temperature and precipitation in central and western Europe 1901–1999. Int. J. Climatol., 25, 1173–1188.

Molders, N., and M.A. Olson, 2004: Impact of urban effects on precipitation in high latitudes. J. Hydrometeorol., 5, 409–429.

Monahan, A.H., L. Pandolfo, and J.C. Fyfe, 2001: The preferred structure of variability of the Northern Hemisphere atmospheric circulation. Geophys. Res. Lett., 28, 1019–1022.

Mu, Q.Z., et al., 2002: Simulation study on variation of Western Pacific subtropical high during the last hundred years. Chin. Sci. Bull., 7, 550–553.

Mudelsee, M., et al., 2003: No upward trends in the occurrence of extreme floods in central Europe. Nature, 425, 166–169.

Nakamura, H., and T. Sampe, 2002: Trapping of synoptic-scale disturbances into the North-Pacific subtropical jet core in midwinter. Geophys. Res. Lett., 29(16), doi:10.1029/2002GL015535.

Nakamura, H., T. Izumi, and T. Sampe, 2002: Interannual and decadal modulations recently observed in the Pacific storm track activity and East Asia winter monsoon. J. Clim., 15, 1855–1874.

Nakamura, H., et al., 2004: Observed associations among storm tracks, jet streams and midlatitude oceanic fronts. In: Earth’s Climate: The Ocean-Atmosphere Interaction [Wang, C., S.-P. Xie, and J. A. Carton (eds.)]. Geophysical Monograph 147, American Geophysical Union, Washington, DC, pp. 329–346.

Naujokat, B., et al., 2002: The early major warming in December 2001 – Exceptional? Geophys. Res. Lett., 29, 2023, doi:10.1029/2002GL015316.

Nazemosadat, M.J., and I. Cordery, 2000: On the relationships between ENSO and autumn rainfall in Iran. Int. J. Climatol., 20, 47–61.

Nazemosadat, M.J., and A.R. Ghasemi, 2004: Quantifying the ENSO-related shifts in the intensity and probability of drought and wet periods in Iran. J. Clim., 17, 4005–4018.

Nedoluha, G.E., et al., 2003: An evaluation of trends in middle atmospheric water vapor as measured by HALOE, WVMS, and POAM. J. Geophys. Res., 108, 4391, doi:10.1029/2002JD003332.

New, M., et al., 2006: Evidence of trends in daily climate extremes over southern and West Africa. J. Geophys. Res., 111, D14102, doi:10.1029/2005JD006289.

Newman, M., G. Compo, and M.A. Alexander, 2003: ENSO-forced variability of the Pacific Decadal Oscillation. J. Clim., 23, 3853–3857.

Newman, P.A., and E.R. Nash, 2000: Quantifying the wave drinking of the stratosphere. J. Geophys. Res., 105, 12485–12497.

Newman, P.A., and E.R. Nash, 2005: The unusual Southern Hemisphere stratosphere winter of 2002. J. Atmos. Sci., 62, doi:10.1175/JAS-3323.1.

Nicholls, N., 2004: The changing nature of Australian droughts. Clim. Change, 63, 323–336.

Nobre, P., and J. Shukla, 1996: Variations of sea surface temperature, wind stress, and rainfall over the tropical Atlantic and South America. J. Clim., 9, 2464–2479.

Nogués-Paegle, J., et al., 2002: Progress in Pan American CLIVAR research: Understanding the South American monsoon. Meteorologica, 27, 3–32.

Noone, D., and I. Simmonds, 2002: Annular variations in moisture transport mechanisms and the abundance of δ18O in Antarctic snow. J. Geophys. Res., 107, 4742, doi:10.1029/2002JD002262.

Norris, J.R., 2000: What can cloud observations tell us about climate variability? Space Sci. Rev., 94, 375–380.

Norris, J.R., 2005a: Multidecadal changes in near-global cloud cover and estimated cloud cover radiative forcing. J. Geophys. Res., 110, D08206, doi:10.1029/2004JD005600.

Norris, J.R., 2005b: Trends in upper-level cloud cover and atmospheric circulation over the Indo-Pacific region between 1952 and 1997. J. Geophys. Res., 110, D21110, doi:10.1029/2005JD006183.

Notholt, J., et al., 2005: Influence of tropospheric SO2 emissions on particle formation and the stratospheric humidity. Geophys. Res. Lett., 32, L07810, doi:10.1029/2004GL022159.

O’Carroll, A.G., R.W. Saunders, and J.G. Watts, 2006: The measurement of the sea surface temperature climatology by satellites from 1991 to 2005. J. Atmos. Ocean. Technol., 23,1573-1582.

Ohmura, A., and M. Wild, 2002: Is the hydrological cycle accelerating? Science, 298, 1345–1346.

Oinas, V., et al., 2001: Radiative cooling by stratospheric water vapor: big differences in GCM results. Geophys. Res. Lett., 28, 2791–2794.

Oke, P.R., and M.H. England, 2004: Oceanic response to changes in the latitude of the Southern Hemisphere subpolar westerly winds. J. Clim., 17, 1040–1054.

Oltmans, S.J., et al., 2000: The increase in stratospheric water vapor from balloon borne, frostpoint hygrometer measurements at Washington, DC, and Boulder, Colorado. Geophys. Res. Lett, 27, 3453–3456.

Omran, M.A., 2000: Analysis of solar radiation over Egypt. Theor. Appl. Climatol., 67, 225–240.

Oort, A.H., and J.J.Yienger, 1996: Observed interannual variability in the Hadley circulation and its connection to ENSO. J. Clim., 9, 2751–2767.

Orr, A., et al., 2004: A ‘low-level’ explanation for the recent large warming trend over the western Antarctic Peninsula involving blocked winds and changes in zonal circulation. Geophys. Res. Lett., 31, L06204, doi:10.1029/2003GL019160.

Osborn, T.J., and M. Hulme, 2002: Evidence for trends in heavy rainfall events over the U.K. Philos. Trans. R. Soc. London Ser. A, 360, 1313–1325.

Osborn, T.J., et al., 2000: Observed trends in the daily intensity of United Kingdom precipitation. Int. J. Climatol., 20, 347–364.

Ostermeier, G.M., and J.M. Wallace, 2003: Trends in the North Atlantic Oscillation – Northern Hemisphere annular mode during the twentieth century. J. Clim., 16, 336–341.

Overland, J. E., and M. Wang, 2005: The Arctic climate paradox: The recent decrease of the Arctic Oscillation. Geophys. Res. Lett., 32, L23808, doi:10.1029/2005GL024254.

Paciorek, C.J., et al., 2002: Multiple indices of Northern Hemisphere cyclone activity, winters 1949–99. J. Clim., 15, 1573–1590.

Pagano, T., et al., 2004: Water year 2004: Western water managers feel the heat. Eos, 85, 392–393.

Pallé, E., et al., 2004: Changes in Earth’s reflectance over the past two decades. Science, 304, 1299–1301.

Palmer, T.N., 1999: A nonlinear dynamical perspective on climate prediction. J. Clim., 12, 575–591.

Palmer, W.C., 1965: Meteorological Drought. Research Paper 45, US Department of Commerce, Weather Bureau, Washington, DC, 58 pp. [Available from NOAA Library and Information Services Division, Washington, DC 20852.]

Park, Y., F. Roquet, and F. Vivier, 2004: Quasi-stationary ENSO wave signals versus the Antarctic Circumpolar Wave scenario. Geophys. Res. Lett., 31, L09315, doi:10.1029/2004GL019806.

Parker, D.E., 2004: Large-scale warming is not urban. Nature, 432, 290–290.

Parker, D.E., 2006: A demonstration that large-scale warming is not urban. J. Clim., 19, 2882–2895.

Parker, D.E., and D.I. Cox, 1995: Towards a consistent global climatological rawinsonde data-base. Int. J. Climatol., 15, 473–496.

Parker, D.E., et al., 1997: A new global gridded radiosonde temperature data base and recent temperature trends. Geophys. Res. Lett., 24, 1499–1502.

Pawson, S., and B. Naujokat, 1999: The cold winters of the middle 1990s in the northern lower stratosphere. J. Geophys. Res., 104, 14209–14222.

Pekárová, P., P. Miklánek, and J. Pekár, 2003: Spatial and temporal runoff oscillation analysis of the main rivers of the world during the 19th–20th centuries. J. Hydrol., 274, 62–79.

Penman, H.L., 1948: Natural evaporation from open water, bare soil and grass. Proc. R. Soc. London Ser. A, 193, 120−145.

Pepin, N.C., and D.J. Seidel, 2005: A global comparison of surface and free-air temperatures at high elevations. J. Geophys. Res., 110, D03104, doi:10.1029/2004JD005047.

Peterson, T.C., 2003: Assessment of urban versus rural in situ surface temperatures in the contiguous United States: no difference found. J. Clim., 16, 2941–2959.

Peterson, T.C., and R.S. Vose, 1997: An overview of the Global Historical Climatology Network temperature database. Bull. Am. Meteorol. Soc., 78, 2837–2848.

Peterson, T.C., and T.W. Owen, 2005: Urban heat island assessment: Metadata are important. J. Clim., 18, 2637–2646.

Peterson, T.C., V.S. Golubev, and P.Ya. Groisman, 1995: Evaporation losing its strength. Nature, 377, 687–688.

Peterson, T.C., et al., 1999: Global rural temperature trends. Geophys. Res. Lett., 26, 329–332.

Peterson, T.C., et al., 2000: A blended satellite – in situ near-global surface temperature dataset. Bull. Am. Meteorol. Soc., 81, 2157–2164.

Peterson, T.C., et al., 2002: Recent changes in climate extremes in the Caribbean region. J. Geophys. Res., 107, 4601, doi:10.1029/2002JD002251.

Pezza, A.B., and I. Simmonds, 2005: The first South Atlantic hurricane: unprecedented blocking, low shear and climate change. Geophys. Res. Lett., 32, L15712, doi:10.1029/2005GL023390.

Philipona, R., and B. Dürr, 2004: Greenhouse forcing outweighs decreasing solar radiation driving rapid temperature rise over land. Geophys. Res. Lett., 31, L22208, doi:10.1029/2004GL020937.

Philipona, R., et al., 2004: Radiative forcing - measured at Earth’s surface - corroborate the increasing greenhouse effect. Geophys. Res. Lett., 31, L15712, doi:10.1029/2003GL018765.

Philipona, R., et al., 2005: Anthropogenic greenhouse forcing and strong water vapor feedback increase temperature in Europe. Geophys. Res. Lett., 32, L19809, doi:1029/ 2005GL023624.

Picon, L., et al., 2003: A new METEOSAT “water vapor” archive for climate studies. J. Geophys. Res., 108, 4301, doi:10.1029/2002JD002640.

Piechota, T., et al., 2004: The western drought: How bad is it? Eos, 85(32), 301.

Pierce, D.W., 2001: Distinguishing coupled ocean–atmosphere interactions from background noise in the North Pacific. Prog. Oceanogr., 49, 331–352.

Pinker, R.T., B. Zhang, and E.G. Dutton, 2005: Do satellites detect trends in surface solar radiation? Science, 308, 850–854.

Plummer, N., et al., 1999: Changes in climate extremes over the Australian region and New Zealand during the Twentieth Century. Clim. Change, 42, 183–202.

Polyakov, I.V., et al., 2003: Variability and trends of air temperature in the Maritime Arctic, 1875–2000. J. Clim., 16, 2067–2077.

Power, H.C., and D.M. Mills, 2005: Solar radiation climate change over South Africa and an assessment of the radiative impact of volcanic eruptions. Int. J. Climatol., 25, 295–318.

Power, S., et al., 1998: Australian temperature, Australian rainfall and the Southern Oscillation, 1910–1992: coherent variability and recent changes. Aust. Meteorol. Mag., 47, 85–101.

Power, S., et al., 1999a: Decadal climate variability in Australia during the twentieth century. Int. J. Climatol., 19, 169–184.

Power, S., et al., 1999b: Inter-decadal modulation of the impact of ENSO on Australia. Clim. Dyn., 15, 319–324.

Probst, J.L., and Y. Tardy, 1987: Long-range streamflow and world continental runoff fluctuations since the beginning of this century. J. Hydrol., 94, 289–311.

Probst, J.L., and Y. Tardy, 1989: Global runoff fluctuations during the last 80 years in relation to world temperature-change. Am. J. Sci., 289, 267–285.

Przybylak, R., 2000: Diurnal temperature range in the Arctic and its relation to hemispheric and Arctic circulation patterns. Int. J. Climatol., 20, 231–253.

Qian, T., et al., 2006a: Simulation of global land surface conditions from 1948–2004. Pt I: Forcing data and evaluations. J. Hydrometeorol., 7, 953–975.

Qian, W.H., L.S. Quan, and S.Y. Shi, 2002: Variations of the dust storm in China and its climatic control. J. Clim., 15, 1216–1229.

Qian, W.H., et al., 2003: Centennial-scale dry-wet variations in East Asia. Clim. Dyn., 21, 77–89.

Qian, Y., et al., 2006b: More frequent cloud-free sky and less surface solar radiation in China from 1955 to 2000. Geophys. Res. Lett., 33, L01812, doi:10.1029/2005GL024586.

Quadrelli, R., and J.M. Wallace, 2004: A simplified linear framework for interpreting patterns of Northern Hemisphere wintertime climate variability. J. Clim., 17, 3728–3744.

Quadrelli, R., V. Pavan, and F. Molteni, 2001: Wintertime variability of Mediterranean precipitation and its links with large-scale circulation anomalies. Clim. Dyn., 17, 457–466.

Ramanathan, V., et al., 2001: Aerosols, climate and the hydrological cycle. Science, 294, 2119–2124.

Ramaswamy, V., and M. Schwarzkopf, 2002: Effects of ozone and well-mixed gases on annual-mean stratospheric temperature trends. Geophys. Res. Lett., 29, 2064, doi:10.1029/2002GL05141.

Ramaswamy, V., et al., 2001: Stratospheric temperature changes: observations and model simulations. Rev. Geophys., 39, 71–122.

Randel, D.L., et al., 1996: A new global water vapor dataset. Bull. Am. Meteorol. Soc., 77, 1233–1246.

Randel, W.J., and F. Wu, 1999: Cooling of the Arctic and Antarctic polar stratospheres due to ozone depletion. J. Clim., 12, 1467–1479.

Randel, W.J., and F. Wu, 2006: Biases in stratospheric temperature trends derived from historical radiosonde data. J. Clim., 19, 2094–2104.

Randel, W.J., F. Wu, and D.J. Gaffen, 2000: Interannual variability of the tropical tropopause derived from radiosonde data and NCEP reanalyses. J. Geophys. Res., 105, 15509–15524.

Randel, W.J, F. Wu, and R. Stolarski, 2002: Changes in column ozone correlated with the stratospheric EP flux. J. Meteorol. Soc. Japan, 80, 849–862.

Randel, W.J., et al., 2004a: Interannual changes of stratospheric water vapor and correlations with tropical tropopause temperatures. J. Atmos. Sci., 61, 2133–2148.

Randel, W.J., et al., 2004b: The SPARC intercomparison of middle-atmosphere climatologies. J. Clim., 17, 986−1003.

Rashid, H.A., and I. Simmonds, 2004: Eddy-zonal flow interactions associated with the Southern Hemisphere annular mode: Results from NCEP-DOE reanalysis and a quasi-linear model. J. Atmos. Sci., 61, 873–888.

Rashid, H.A., and I. Simmonds, 2005: Southern Hemisphere annular mode variability and the role of optimal nonmodal growth. J. Atmos. Sci., 62, 1947–1961

Rayner, N.A., et al., 2003: Global analyses of sea surface temperature, sea ice, and night marine air temperature since the late nineteenth century. J. Geophys. Res., 108, 4407, doi:10.1029/2002JD002670.

Rayner, N.A., et al., 2006: Improved analyses of changes and uncertainties in sea surface temperature measured in situ since the mid-nineteenth century: the HadSST2 dataset. J. Clim., 19, 446–469.

Read, W.G., et al., 2004: Dehydration in the tropical tropopause layer: Implications from the UARS Microwave Limb Sounder. J. Geophys. Res., 109, D06110, doi:10.1029/2003JD004056.

Regonda, S.K., et al., 2005: Seasonal cycle shifts in hydroclimatology over the Western U.S. J. Clim.., 18, 372–384.

Ren, G.Y., et al., 2005: Climate changes of mainland China over the past half century, Acta Meteorol. Sin., 63 (6): 942–955 (in Chinese).

Renwick, J.A., 1998: ENSO-related variability in the frequency of South Pacific blocking. Mon. Weather Rev., 126, 3117–3123.

Renwick, J.A., 2002: Southern Hemisphere circulation and relations with sea ice and sea surface temperature. J. Clim., 15, 3058–3068.

Renwick, J.A., 2004: Trends in the Southern Hemisphere polar vortex in NCEP and ECMWF reanalyses. Geophys. Res. Lett., 31, L07209, doi:10.1029/2003GL019302.

Renwick, J.A., 2005: Persistent positive anomalies in the Southern Hemisphere circulation. Mon. Weather Rev., 133, 977–988.

Renwick, J.A., and M.J. Revell, 1999: Blocking over the South Pacific and Rossby wave propagation. Mon. Weather Rev., 127, 2233–2247.

Revercombe, H.E., et al., 2003: The ARM program’s water vapor intensive observation periods: Overview, initial accomplishments, and future challenges. Bull. Am. Meteorol. Soc., 84, 217−236.

Reynolds, R.W., C.L. Gentemann, and F. Wentz, 2004: Impact of TRMM SSTs on a climate-scale SST analysis. J. Clim., 17, 2938–2952.

Reynolds, R.W., et al., 2002: An improved in situ and satellite SST analysis for climate. J. Clim., 15, 1609–1625.

Robertson, A.W., C.R. Mechoso, and N.O. García, 2001a: Interannual prediction of the Paraná River. Geophys. Res. Lett., 28, 4235–4238.

Robertson, F.R., R.W. Spencer, and D.E. Fitzjarrald, 2001b: A new satellite deep convective ice index for tropical climate monitoring: possible implications for existing oceanic precipitation data sets, Geophys. Res. Lett., 28, 251–254.

Robertson F.R., D.E. Fitzjarrald, and C.D. Kummerow, 2003: Effects of uncertainty in TRMM precipitation radar path integrated attenuation on interannual variations of tropical oceanic rainfall. Geophys. Res. Lett., 30, 1180, doi:10.1029/2002GL016416.

Robeson, S., 2004: Trends in time-varying percentiles of daily minimum and maximum temperature over North America. Geophys. Res. Lett, 31, L04203, doi:10.1029/2003GL019019.

Robinson, P.J., 2000: Temporal trends in United States dew point temperatures. Int. J. Climatol., 20, 985–1002.

Robock, A., et al., 2000: The global soil moisture data bank. Bull. Am. Meteorol. Soc., 81, 1281–1299.

Robock, A., et al., 2005: Forty five years of observed soil moisture in Ukraine: No summer desiccation (yet). Geophys. Res. Lett., 32, L03401, doi:10.0129/2004GL021914.

Röckmann, T., et al., 2004: The impact of anthropogenic chlorine emissions, stratospheric ozone change and chemical feedbacks on stratospheric water. Atmos. Chem. Phys., 4, 693−699.

Roderick, M.L., and G.D. Farquhar, 2002: The cause of decreased pan evaporation over the past 50 years. Science, 298, 1410–1411.

Roderick, M.L., and G.D. Farquhar, 2004: Changes in Australian pan evaporation from 1970–2002. Int. J. Climatol., 24, 1077–1090.

Roderick, M.L., and G.D. Farquhar, 2005: Changes in New Zealand pan evaporation since the 1970s. Int. J. Climatol., 25, 2031–2039.

Rodwell, M.J., 2003: On the predictability of North Atlantic climate. In: The North Atlantic Oscillation: Climatic significance and environmental impact [Hurrell, J.W., et al. (eds.)]. Geophysical Monograph 134, American Geophysical Union, Washington, DC, pp. 173–192.

Roscoe, H.K., 2004: A review of stratospheric H2O and NO2. Adv. Space Res., 34, 1747–1754.

Rosenfeld, D., 2000: Suppression of rain and snow by urban and industrial air pollution. Science, 287, 1793–1796.

Rosenlof, K.H., 2002: Transport changes inferred from HALOE water and methane measurements. J. Meteorol. Soc. Japan, 80, 831–848.

Rosenlof, K.H., et al., 2001: Stratospheric water vapor increases over the past half-century. Geophys. Res. Lett, 28, 1195–1198.

Rossow, W.B., and E.N. Dueñas, 2004: The International Satellite Cloud Climatology Project (ISCCP) web site. Bull. Am. Meteorol. Soc., 85, 167–172.

Rudolf, B., and J. Rapp, 2003: The century flood of the River Elbe in August 2002: Synoptic weather development and climatological aspects. In: Quart. Rep. German NWP-System Deutscher Wetterdienst, No. 2, Pt 1, pp. 8–23.

Rudolf, B., et al., 1994: Terrestrial precipitation analysis: Operational method and required density of point measurements. In: Global Precipitations and Climate Change [M. Bubois, and F. Désalmand (eds.)]. NATO ASI Series I, 26, Springer Verlag, Berlin, 173–186.

Ruiz-Barradas, A., and S. Nigam, 2005: Warm-season rainfall variability over the US Great Plains in observations, NCEP and ERA-40 reanalyses, and NCAR and NASA atmospheric model simulations: Intercomparisons for NAME. J. Clim., 18, 1808–1830.

Russak, V., 1990: Trends of solar radiation, cloudiness and atmospheric transparency during recent decades in Estonia. Tellus, 42B, 206–210.

Rusticucci, M., and O. Penalba, 2000: Precipitation seasonal cycle over southern South America. Clim. Res., 16, 1–15.

Rusticucci, M., and M. Barrucand, 2004: Observed trends and changes in temperature extremes over Argentina. J. Clim., 17, 4099–4107.

Rutllant, J., and H. Fuenzalida, 1991: Synoptic aspects of the central Chile rainfall variability associated with the Southern Oscillation. Int. J. Climatol., 11, 63–76.

Saji, N.H., and T. Yamagata, 2003: Structure of SST and surface wind variability during Indian Ocean dipole mode events: COADS observations. J. Clim., 16, 2735–2751.

Saji, N.H., et al., 1999: A dipole mode in the tropical Indian Ocean. Nature, 401, 360–363.

Salinger, M.J., J.A. Renwick, and A.B. Mullan, 2001: Interdecadal Pacific Oscillation and South Pacific climate. Int. J. Climatol., 21, 1705–1721.

Salinger, M.J., G.M. Griffiths, and A. Gosai, 2005: Extreme pressure differences at 0900 NZST and winds across New Zealand. Int. J. Climatol., 25, 1203–1222.

Santer, B.D., et al., 1999: Uncertainties in observationally based estimates of temperature change in the free atmosphere. J. Geophys. Res., 104, 6305–6333.

Santer, B.D., et al., 2004: Identification of anthropogenic climate change using a second-generation reanalysis. J. Geophys. Res., 109, D21104, doi:1029/2004/JD005075.

Santer, B.D., et al., 2005: Amplification of surface temperature trends and variability in the tropical atmosphere. Science, 309, 1551–1556.

Sarkar, S., R.P. Singh, and M. Kafatos, 2004: Further evidences for the weakening relationship of Indian rainfall and ENSO over India. Geophys. Res. Lett., 31, L13209, doi:10.1029/2004GL020259.

Scaife A.A., et al., 2005: A stratospheric influence on the winter NAO and North Atlantic surface climate, Geophys. Res. Lett., 32, L18715, doi:10.1029/2005GL023226.

Schär, C., et al., 2004: The role of increasing temperature variability in European summer heat waves. Nature, 427, 332–336.

Scherrer, S.C., et al., 2005: European temperature distribution changes in observations and climate change scenarios. Geophys. Res. Lett., 32, L19705, doi:10.1029/2005GL024108.

Scherrer, S.C., et al., 2006: Two dimensional indices of atmospheric blocking and their statistical relationship with winter climate patterns in the Euro-Atlantic region. Int. J. Climatol., 20, 233–249.

Schlesinger, M.E., and N. Ramankutty, 1994: An oscillation in the global climate system of period 65–70 years. Nature, 367, 723–726.

Schmidli, J., and C. Frei, 2005: Trends of heavy precipitation and wet and dry spells in Switzerland during the 20th century. Int. J. Climatol., 25, 753–771.

Schmith, T., E. Kaas, and T.-S. Li, 1998: Northeast Atlantic winter storminess 1875–1995 re-analysed. Clim. Dyn., 14, 529–536.

Schneider, D.P., E.J. Steig, and J.C. Comiso, 2004: Recent climate variability in Antarctica from satellite-derived temperature data. J. Clim., 17, 1569–1583.

Schneider, N., and B.D. Cornuelle, 2005: The forcing of the Pacific Decadal Oscillation. J. Clim., 18, 4355–4373.

Schönwiese, C.-D., and J. Rapp, 1997: Climate Trend Atlas of Europe Based on Observations 1891–1990. Kluwer Academic Press, Dordrecht, 228 pp.

Schreck, C.J. III, and F.H.M. Semazzi, 2004: Variability of the recent climate of Eastern Africa. Int. J. Climatol., 24, 681–701.

Schwartz, R.D., 2005: Global dimming: clear sky atmospheric transmission from astronomical extinction measurements. J. Geophys. Res., 110, D14210, doi:10.1029/2005JD005882.

Schwarzkopf, M., and V. Ramaswamy, 2002: Effects of changes in well-mixed gases and ozone on stratospheric seasonal temperatures. Geophys. Res. Lett., 29, 2184, doi:10.1029/2002GL015759.

Schwierz, C., et al., 2006: Challenges posed by and approaches to the study of seasonal-to-decadal climate variability. Clim. Change, 79, 31–63.

Seidel, D.J., and J. Lanzante, 2004: An assessment of three alternatives to linear trends for characterizing global atmospheric temperature changes. J. Geophys. Res., 109, D14108, doi:10.1029/2003JD004414.

Seidel, D.J., et al., 2001: Climatological characteristics of the tropical tropopause as revealed by radiosondes. J. Geophys. Res., 106, 7857–7878.

Seidel, D.J., et al., 2004: Uncertainty in signals of large-scale climate variations in radiosonde and satellite upper-air temperature datasets. J. Clim., 17, 2225–2240.

Sen Roy, S., and R.C. Balling, 2004: Trends in extreme daily rainfall indices in India. Intl. J. Climatol., 24, 457–466.

Serreze, M.C., et al., 1997: Icelandic low cyclone activity: climatological features, linkages with the NAO, and relationships with recent changes in the Northern Hemisphere circulation. J. Clim., 10, 453–464.

Sexton, D.M.H., 2001: The effect of stratospheric ozone depletion on the phase of the Antarctic Oscillation. Geophys. Res. Lett., 28, 3697–3700.

Shabbar, A., and W. Skinner, 2004: Summer drought patterns in Canada and the relationship to global sea surface temperatures. J. Clim., 17, 2866–2880.

Shepherd, J.M., and S.J. Burian, 2003: Detection of urban-induced rainfall anomalies in a major coastal city. Earth Interactions, 7, 1–17.

Shepherd, J.M., H. Pierce, and A.J. Negri, 2002: Rainfall modification by major urban areas: Observations from spaceborne rain radar on the TRMM satellite. J. Appl. Meteorol., 41, 689–701.

Shepherd, J.M., L. Taylor, and C. Garza, 2004: A dynamic multi-criteria technique for siting NASA-Clark Atlanta rain gauge network. J. Atmos. Ocean. Technol., 21, 1346–1363.

Sherwood, S.C., 2002: A microphysical connection among biomass burning, cumulus clouds, and stratospheric moisture. Science, 295, 1271–1275.

Sherwood, S.C., J. Lanzante, and C. Meyer, 2005: Radiosonde daytime biases and late 20th century warming. Science, 309, 1556–1559.

Shine, K.P., et al., 2003: A comparison of model-simulated trends in stratospheric temperatures. Q. J. R. Meteorol. Soc., 129, 1565–1588.

Silvestri, G.E., and C.S. Vera, 2003: Antarctic Oscillation signal on precipitation anomalies over southeastern South America. Geophys. Res. Lett., 30, 2115, doi:10.1029/2003GL018277.

Simmonds, I., 2003: Modes of atmospheric variability over the Southern Ocean. J. Geophys. Res., 108, 8078, doi:10.1029/2000JC000542.

Simmonds, I., and K. Keay, 2000: Variability of Southern Hemisphere extratropical cyclone behavior 1958–97. J. Clim., 13, 550–561.

Simmonds, I., and K. Keay, 2002: Surface fluxes of momentum and mechanical energy over the North Pacific and North Atlantic Oceans. Meteorol. Atmos. Phys., 80, 1–18.

Simmonds, I., K. Keay, and E.-P. Lim, 2003: Synoptic activity in the seas around Antarctica. Mon. Weather Rev., 131, 272–288.

Simmons, A.J., et al., 2004: Comparison of trends and low-frequency variability in CRU, ERA-40 and NCEP/NCAR analyses of surface air temperature. J. Geophys. Res., 109, D24115, doi:10.1029/2004JD005306.

Simmons, A.J., et al., 2005: ECMWF analyses and forecasts of stratospheric winter polar vortex breakup: September 2002 in the Southern Hemisphere and related events. J. Atmos. Sci., 62, 668−689.

Sinclair, M.R., J.A. Renwick, and J.W. Kidson, 1997: Low-frequency variability of Southern Hemisphere sea level pressure and weather system activity. Mon. Weather Rev., 125, 2531–2543.

Small, E.E., L.C. Sloan, and R. Nychka, 2001: Changes in surface air temperature caused by desiccation of the Aral Sea. J. Clim., 14, 284–299.

Smith, C.A., J.D. Haigh, and R. Toumi, 2001: Radiative forcing due to trends in stratospheric water vapour. Geophys. Res. Lett., 28, 179–182.

Smith, I., 2004: An assessment of recent trends in Australian rainfall. Aust. Meteorol. Mag., 53, 163–173.

Smith, L.C., 2000: Trends in Russian Arctic river-ice formation and breakup, 1917 to 1994. Phys. Geogr., 21, 46–56.

Smith, T.M., and R.W. Reynolds, 2004: Improved extended reconstruction of SST (1854–1997). J. Clim., 17, 2466–2477.

Smith, T.M., and R.W. Reynolds, 2005: A global merged land and sea surface temperature reconstruction based on historical observations (1880–1997). J. Clim., 18, 2021–2036.

Smith, T.M., et al., 2005: New surface temperature analyses for climate monitoring. Geophys. Res. Lett., 32, L14712, doi:10.1029/2005GL023402.

Smits, A., A.M.G. Klein Tank, and G.P. Können, 2005: Trends in storminess over the Netherlands, 1962–2002. Int. J. Climatol., 25, 1331–1344.

Snow, J.T. (ed.), 2003: Special Issue: European Conference on Severe Storms. Atmos. Res., 67–68, 703pp.

Soden, B.J., and S.R. Schroeder, 2000: Decadal variations in tropical water vapor: A comparison of observations and a model simulation. J. Clim., 13, 3337–3340.

Soden, B.J., et al., 2002: Global cooling after the eruption of Mount Pinatubo: A test of climate feedback by water vapor. Science, 296, 727−730.

Soden, B.J., et al., 2004: An analysis of satellite, radiosonde, and lidar observations of upper tropospheric water vapor from the Atmospheric Radiation Measurement Program. J. Geophys. Res., 109, D04105, doi:10.1029/2003JD003828.

Soden, B.J., et al., 2005: The radiative signature of upper tropospheric moistening. Science, 310, 841–844.

Sohn, B.-J., and E.A. Smith, 2003: Explaining sources of discrepancy in SSM/I water vapor algorithms. J. Clim., 16, 3229–3255.

Song, Y., and W.A. Robinson, 2004: Dynamical mechanisms for stratospheric influences on the troposphere. J. Atmos. Sci., 61, 1711–1725.

Sparks, J., D. Changnon, and J. Starke, 2002: Changes in the frequency of extreme warm-season surface dewpoints in northeastern Illinois: Implications for cooling-system design and operation. J. Appl. Meteorol., 41, 890–898.

Stanhill, G., and S. Cohen, 2001: Global dimming, a review of the evidence for a widespread and significant reduction in global radiation with a discussion of its probable causes and possible agricultural consequences. Agric. For. Meteorol., 107, 255–278.

Sterl, A., 2001: On the impact of gap-filling algorithms on variability patterns of reconstructed oceanic surface fields. J. Geophys. Res., 28, 2473–2476.

Sterl, A., 2004: On the (in)homogeneity of reanalysis products. J. Clim., 17, 3866–3873.

Sterl, A., and S. Caires, 2005: Climatology, variability and extrema of ocean waves: the Web-based KNMI/ERA-40 wave atlas. Int. J. Climatol., 25, 963−977.

Stewart, I.T., D.R. Cayan, and M.D. Dettinger, 2005: Changes towards earlier streamflow timing across western North America. J. Clim., 18, 1136–1155.

Stone, D.A., A.J. Weaver, and F.W. Zwiers, 2000: Trends in Canadian precipitation intensity. Atmos.-Ocean, 38, 321–347.

Straus, D.M., and J. Shukla, 2002: Does ENSO force the PNA? J. Clim., 15, 2340–2358.

Straus, D.M., and F. Molteni, 2004: Circulation regimes and SST forcing: Results from large GCM ensembles. J. Clim., 17, 1641−1656.

Stuber, N., et al., 2001: Is the climate sensitivity to ozone perturbations enhanced by stratospheric water vapor feedback? Geophys. Res. Lett., 28, 2887−2890.

Sturaro, G., 2003: A closer look at the climatological discontinuities present in the NCEP/NCAR reanalysis temperature due to the introduction of satellite data. Clim. Dyn., 21, 309–316.

Sun, B.M., 2003: Cloudiness over the contiguous United States: Contemporary changes observed using ground-based and ISCCP D2 data. Geophys. Res. Lett., 30, doi:10.1029/2002GL015887.

Sun, B.M., and P.Ya. Groisman, 2000: Cloudiness variations over the former Soviet Union. Int. J. Climatol., 20, 1097–1111.

Sun, B.M., and P.Ya. Groisman, 2004: Variations in low cloud cover over the United States during the second half of the twentieth century. J. Clim., 17, 1883–1888.

Sun, B.M., P.Ya. Groisman, and I.I. Mokhov, 2001: Recent changes in cloud-type frequency and inferred increases in convection over the United States and the former USSR. J. Clim., 14, 1864–1880.

Sutton, R.T., and D.L.R. Hodson, 2003: Influence of the ocean on North Atlantic climate variability 1871–1999. J. Clim., 16, 3296–3313.

Sutton, R.T., and D.L.R. Hodson, 2005: Atlantic Ocean forcing of North American and European summer climate. Science, 290, 2133–2137.

Swanson, R.E., 2003: Evidence of possible sea-ice influence on Microwave Sounding Unit tropospheric temperature trends in polar regions. Geophys. Res. Lett., 30, 2040, doi:10.1029/2003GL017938.

Tebakari, T., J. Yoshitani, and C. Suvanpimol, 2005: Time-space trend analysis in pan evaporation over kingdom of Thailand. J. Hydrol. Eng., 10, 205−215.

Terray, P., S. Dominiak, and P. Delecluse, 2005: Role of the southern Indian Ocean in the transition of the monsoon-ENSO system during recent decades. Clim. Dyn., 24, 169–195.

Tett, S.F.B., and P.W. Thorne, 2004: Tropospheric temperature series from satellites. Nature, 429, doi:10.1038/nature03208.

Thielen, J., et al., 2000: The possible influence of urban surfaces on rainfall development: a sensitivity study in 2D in the meso-gamma scale. Atmos. Res., 54, 15–39.

Thompson, D.W.J., and J.M. Wallace, 1998: The Arctic Oscillation signature in the wintertime geopotential height and temperature fields. Geophys. Res. Lett., 25, 1297–1300.

Thompson, D.W.J., and J.M. Wallace, 2000: Annular modes in the extratropical circulation, Pt I: Month-to-month variability. J. Clim., 13, 1000–1016.

Thompson, D.W.J., and S. Solomon, 2002: Interpretation of recent Southern Hemisphere climate change. Science, 296, 895–899.

Thompson, D.W.J., and S. Solomon, 2005: Recent stratospheric climate trends: Global structure and tropospheric linkages. J. Clim., 18, 4785–4795.

Thompson, D.W.J., J.M. Wallace, and G.C. Hegerl, 2000: Annular modes in the extratropical circulation. Part II: Trends. J. Clim., 13, 1018–1036.

Thompson, D.W.J., M.P. Baldwin, and J.M. Wallace, 2002: Stratospheric connection to Northern Hemisphere wintertime weather: Implications for prediction. J. Clim., 15, 1421–1428.

Thompson, D.W.J., S. Lee, and M.P. Baldwin, 2003: Atmospheric processes governing the Northern Hemisphere Annular Mode/North Atlantic Oscillation. In: The North Atlantic Oscillation: Climatic Significance and Environmental Impact [Hurrell, J.W., et al. (eds.)]. Geophysical Monograph 134, American Geophysical Union, Washington, DC, pp. 81–112.

Thompson, D.W.J., M.P. Baldwin, and S. Solomon, 2005: Stratosphere/troposphere coupling in the Southern Hemisphere. J. Atmos. Sci., 62, 708–715.

Thorne, P.W., et al., 2005a: Revisiting radiosonde upper air temperatures from 1958 to 2002. J. Geophys. Res., 110, D18105, doi:10.1029/2004JD005753.

Thorne, P.W., et al., 2005b: Uncertainties in climate trends: Lessons from upper-air temperature records. Bull. Am. Meteorol. Soc., 86, 1437–1442.

Thornthwaite, C.W., 1948: An approach toward a rational classification of climate. Geogr. Rev., 38, 55–94.

Tibaldi, S., et al., 1994: Northern and Southern Hemisphere seasonal variability of blocking frequency and predictability. Mon. Weather Rev., 122, 1971–2003.

Trapp, R.J., et al., 2005: Tornadoes from squall lines and bow echoes. Pt I: Climatological distribution. Weather Forecasting, 20, 23–34.

Trenberth, K.E., 1984: Signal versus noise in the Southern Oscillation. Mon. Weather Rev., 112, 326–332.

Trenberth, K.E., 1990: Recent observed interdecadal climate changes in the Northern Hemisphere. Bull. Am. Meteorol. Soc., 71, 988–993.

Trenberth, K.E., 2002: Changes in tropical clouds and radiation. Science, 296, 2095a (online), http://www/sciencemag.org/cgi/content/full/296/5576/2095a.

Trenberth, K.E., 2004: Rural land-use change and climate. Nature, 427, 213.

Trenberth, K.E., and J.W. Hurrell, 1994: Decadal atmosphere–ocean variations in the Pacific. Clim. Dyn., 9, 303–319.

Trenberth, K.E., and J.M. Caron, 2000: The Southern Oscillation revisited: Sea level pressures, surface temperatures and precipitation. J. Clim., 13, 4358–4365.

Trenberth, K.E., and J.M. Caron, 2001: Estimates of meridional atmosphere and ocean heat transports. J. Clim., 14, 3433–3443.

Trenberth, K.E., and D. P. Stepaniak, 2001: Indices of El Niño evolution. J. Clim., 14, 1697–1701.

Trenberth, K.E., and D.P. Stepaniak, 2003a: Co-variability of components of poleward atmospheric energy transports on seasonal and interannual timescales. J. Clim., 16, 3690−3704.

Trenberth, K.E., and D.P. Stepaniak, 2003b: Seamless poleward atmospheric energy transports and implications for the Hadley circulation. J. Clim., 16, 3705–3721.

Trenberth, K.E., and D.J. Shea, 2005: Relationships between precipitation and surface temperature. Geophys. Res. Lett., 32, L14703, doi:10.1029/2005GL022760.

Trenberth, K.E., and L. Smith, 2005: The mass of the atmosphere: A constraint on global analyses. J. Clim., 18, 864–875.

Trenberth, K.E., and D.J. Shea, 2006: Atlantic hurricanes and natural variability in 2005, Geophys. Res. Lett., 33, L12704, doi:10.1029/2006GL026894.

Trenberth, K.E., D.P. Stepaniak, and J.M. Caron, 2000: The global monsoon as seen through the divergent atmospheric circulation. J. Clim., 13, 3969–3993.

Trenberth, K.E., D.P. Stepaniak, and J.M. Caron, 2002a: Interannual variations in the atmospheric heat budget. J. Geophys. Res., 107, 4066, doi:10.1029/2000JD000297.

Trenberth, K.E., J. Fasullo, and L. Smith, 2005a: Trends and variability in column integrated atmospheric water vapor. Clim. Dyn., 24, 741−758.

Trenberth, K.E., D.P. Stepaniak, and L. Smith, 2005b: Interannual variability of the patterns of atmospheric mass distribution. J. Clim., 18, 2812–2825.

Trenberth, K.E., et al., 2002b: The evolution of ENSO and global atmospheric temperatures. J. Geophys. Res., 107, 4065, doi:10.1029/2000JD000298.

Trenberth, K.E., et al., 2003: The changing character of precipitation. Bull. Am. Meteorol. Soc., 84, 1205–1217.

Trigo, R.M., et al., 2004: Climate impact of the European winter blocking episodes from the NCEP/NCAR Reanalyses. Clim. Dyn., 23, 17–28.

Trömel, S., and C.-D. Schönwiese, 2005: A generalized method of time series decomposition into significant components including probability assessments of extreme events and application to observed German precipitation data. Meteorol. Z., 14, 417−427.

Troup, A.J., 1965: The Southern Oscillation. Q. J. R. Meteorol. Soc., 91, 490–506.

Tuller, S.E., 2004: Measured wind speed trends on the west coast of Canada. Int. J. Climatol., 24, 1359–1374.

Tuomenvirta, R.H., et al., 2000: Trends in Nordic and Arctic temperature extremes. J. Clim., 13, 977–990.

Turner, D.D., et al., 2003: Dry bias and variability in Vaisala RS80-H radiosondes: The ARM experience. J. Atmos. Ocean. Technol., 20, 117–132.

Turner, J., et al., 2005: Antarctic climate change during the last 50 years. Int. J. Climatol., 25, 279–294.

Turner, J., et al., 2006: Significant warming of the Antarctic winter troposphere. Science, 311, 1914−1917.

Ulbrich, U., et al., 2003a: The central European floods of August 2002: Pt. 1 – Rainfall periods and flood development. Weather, 58, 371–377.

Ulbrich, U., et al., 2003b: The central European floods of August 2002: Pt. 2 – Synoptic causes and considerations with respect to climatic change. Weather, 58, 434–442.

Uppala, S.M., et al., 2005: The ERA-40 reanalysis. Q. J. R. Meteorol. Soc., 131, 2961–3012.

van den Broeke, M.R., and N.P.M. van Lipzig, 2003: Response of wintertime Antarctic temperatures to the Antarctic Oscillation: Results of a regional climate model. In: Antarctic Peninsula Climate Variability: Historical and Paleoenvironmental Perspectives [Domack, E., et al. (eds.)]. Antarctic Research Series 79, American Geophysical Union, Washington, DC, pp. 43–58.

van den Dool, H., J. Huang, and Y. Fan, 2003: Performance and analysis of the constructed analogue method applied to U.S. soil moisture over 1981–2001. J. Geophys. Res., 108, 8617, doi:10.1029/2002JD003114.

van der Schrier, G., et al., 2006: Summer moisture variability across Europe. J. Clim., 19, 2818–2834.

van Wijngaarden, W.A., and L.A. Vincent, 2005: Examination of discontinuities in hourly surface relative humidity in Canada during 1953-2003. J. Geophys. Res., 110, D22102, doi:10.1029/2005JD005925.

Venegas, S.A., 2003: The Antarctic Circumpolar Wave: A combination of two signals? J. Clim., 16, 2509–2525.

Venegas, S.A., and L.A. Mysak, 2000: Is there a dominant timescale of natural climate variability in the Arctic? J. Clim., 13, 3412–3434.

Vera, C., et al., 2006: A unified view of the American monsoon systems. J. Clim., 19, 4977–5000.

Vikebo, F., et al., 2003: Wave height variations in the North Sea and on the Norwegian continental shelf, 1881-1999. Continental Shelf Res., 23, 251–263.

Vimont, D.J., D.S. Battisti, and A.C. Hirst, 2001: Footprinting: A seasonal connection between the Tropics and midlatitudes. Geophys. Res. Lett., 28, 3923–2936.

Vincent, L.A., and É. Mekis, 2006: Changes in daily and extreme temperature and precipitation indices for Canada over the 20th century. Atmos.-Ocean, 44, 177–193.

Vincent, L.A., et al., 2002: Homogenization of daily temperatures over Canada.. J. Clim., 15, 1322–1334.

Vincent, L.A., et al., 2005: Observed trends in indices of daily temperature extremes in South America 1960–2000. J. Clim., 18, 5011−5023.

Vinnikov, K.Y., and N.C. Grody, 2003: Global warming trend of mean tropospheric temperature observed by satellites. Science, 302, 269–272.

Vinnikov, K.Y., et al., 2006: Temperature trends at the surface and in the troposphere. J. Geophys. Res., 111, D03106, doi:10.1029/2005JD006392.

Visbeck, M., et al., 2003: The ocean’s response to North Atlantic Oscillation variability. In: The North Atlantic Oscillation: Climatic Significance and Environmental Impact [Hurrell, J.W., et al. (eds.)]. Geophysical Monograph 134, American Geophysical Union, Washington, DC, pp. 113–145.

Vose, R.S., D.R. Easterling, and B. Gleason, 2005a: Maximum and minimum temperature trends for the globe: An update through 2004. Geophys. Res. Lett., 32, L23822, doi:10.1029/2004GL024379.

Vose, R.S., et al., 1992: The Global Historical Climatology Network: Long-Term Monthly Temperature, Precipitation, Sea Level Pressure, and Station Pressure Data. ORNL/CDIAC-53, NDP-041, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, TN, 325 pp.

Vose, R.S., et al., 2004: Impact of land-use change on climate. Nature, 427, 213–214.

Vose, R.S., et al., 2005b: An intercomparison of surface air temperature analyses at the global, hemispheric and grid-box scale. Geophys. Res. Lett., 32, L18718, doi:10.1029/2005GL023502.

Wallace, J.M., and D.S. Gutzler, 1981: Teleconnections in the geopotential height field during the Northern Hemisphere winter. Mon. Weather Rev., 109, 784–812.

Walter, K., and H.-F. Graf, 2002: On the changing nature of the regional connection between the North Atlantic Oscillation and sea surface temperature. J. Geophys. Res., 107, 4338, doi:10.1029/2001JD000850.

Walter, M.T., et al., 2004: Increasing evapotranspiration from the conterminous United States. J. Hydrometeorol., 5, 405–408.

Wang, B., 1994: Climatic regimes of tropical convection and rainfall. J. Clim., 7, 1109–1118.

Wang, B., and Z. Fan, 1999: Choice of South Asian summer monsoon indices. Bull. Am. Meteorol. Sci., 80, 629–638.

Wang, B., and J.C.L. Chan, 2002: How strong ENSO events affect tropical storm activity over the western North Pacific. J. Clim., 15, 1643–1658.

Wang, B., and Q. Ding, 2006: Changes in global monsoon precipitation over the past 56 years. Geophys. Res. Lett., 33, L06711, doi:10.1029/2005GL025347.

Wang, H.J., 2001: The weakening of the Asian monsoon circulation after the end of 1970’s. Adv. Atmos. Sci., 18, 376–386.

Wang, J., et al., 2003: Performance of operational radiosonde humidity sensors in direct comparison with a chilled mirror dew-point hygrometer and its climate implication. Geophys. Res. Lett., 30, 1860, 10.129/2003GL016985.

Wang, J.H., H.L. Cole, and D.J. Carlson, 2001: Water vapor variability in the tropical western Pacific from 20-year radiosonde data. Adv. Atmos. Sci., 18, 752–766.

Wang, J.H., et al., 2002a: Corrections of humidity measurement errors from the Vaisala RS80 radiosonde – Application to TOGA COARE data. J. Atmos. Ocean. Technol., 19, 981–1002.

Wang, J.X.L., and D.J. Gaffen, 2001: Trends in extremes of surface humidity, temperatures and summertime heat stress in China. Adv. Atmos. Sci., 18, 742–751.

Wang, P.H., et al., 2002b: Satellite observations of long-term changes in tropical cloud and outgoing longwave radiation from 1985 to 1998. Geophys. Res. Lett., 29, 1397, doi:10.1029/2001GL014264.

Wang, X.L., and V.R. Swail, 2001: Changes of extreme wave heights in Northern Hemisphere oceans and related atmospheric circulation regimes. J. Clim., 14, 2204−2201.

Wang, X.L., and V.R. Swail, 2002: Trends of Atlantic wave extremes as simulated in a 40-yr wave hindcast using kinematically reanalyzed wind fields. J. Clim., 15, 1020−1035.

Wang, X.L., and P.M. Zhai, 2004: Variation of spring dust storms in China and its association with surface winds and sea level pressures. Acta Meteorol. Sin., 62, 96–103 (in Chinese).

Wang, X.L., V.R. Swail, and F.W. Zwiers, 2006a: Climatology and changes of extratropical storm tracks and cyclone activity: Comparison of ERA-40 with NCEP/NCAR Reanalysis for 1958–2001. J. Clim., 19, 3145−3166.

Wang, X.L., H. Wan, and V.R. Swail, 2006b: Observed changes in cyclone activity in Canada and their relationships to major circulation regimes. J. Clim., 19, 896–915.

Wang, Z.W., and P.M. Zhai, 2003: Climate change in drought over northern China during 1950–2000. Acta Geogr. Sin., 58(supplement), 61–68 (in Chinese).

Waple, A.M., and J.H. Lawrimore, 2003: State of the climate in 2002. Bull. Am. Meteorol. Soc., 84(6), S1–S68.

Waple, A.M., et al., 2002: Climate assessment for 2001. Bull. Am. Meteorol. Soc., 83(6), S1–S62.

Ward, M.N., 1998: Diagnosis and short-lead time prediction of summer rainfall in tropical North Africa at interannual and multidecadal timescales. J. Clim., 11, 3167–3191.

Ward, M.N., and B.J. Hoskins, 1996: Near surface wind over the global ocean 1949–1988. J. Clim., 9, 1877–1895.

Wardle, R., and I. Smith, 2004: Modeled response of the Australian monsoon to changes in land surface temperatures. Geophys. Res. Lett., 31, L16205, doi:10.1029/2004GL020157.

Watkins, A., 2002: 2002 Australian climate summary: Dry and warm conditions dominate. Bull. Aust. Meteorol. Oceanogr. Soc., 15, 109–114.

Waugh, D., et al., 1999: Persistence of the lower stratospheric polar vortices. J. Geophys. Res., 104, 27191–27201.

Webster, P.J., and S. Yang, 1992: Monsoon and ENSO: selective interactive systems. Q. J. R. Meteorol. Soc., 118, 877–926.

Webster, P.J., et al., 1998: Monsoons: processes, predictability, and the prospects for prediction. J. Geophys. Res., 103, 14451–14510.

Webster, P.J., et al., 1999: Coupled ocean-atmosphere dynamics in the Indian Ocean during 1997-98. Nature, 401, 356–360.

Webster, P.J., et al., 2005: Changes in tropical cyclone number, duration and intensity in a warming environment. Science, 309, 1844–1846.

Webster, P. J., et al., 2006: Response to comment on “Changes in tropical cyclone number, duration, and intensity in a warming environment”. Science, 311, 1713c.

Weisse, R., H. von Storch, and F. Feser, 2005: Northeast Atlantic and North Sea storminess as simulated by a regional climate model during 1958-2001 and comparison with observations. J. Clim., 18, 465–479.

Wells, N., S. Goddard, and M.J. Hayes, 2004: A self-calibrating Palmer Drought Severity Index. J. Clim., 17, 2335–2351.

Wentz, F.J., and M. Schabel, 1998: Effects of satellite orbital decay on MSU lower tropospheric temperature trends. Nature, 394, 661–664.

Wentz, F.J., and M. Schabel, 2000: Precise climate monitoring using complementary satellite data sets. Nature, 403, 414–416.

Wettstein, J.J., and L.O. Mearns, 2002: The influence of the North Atlantic-Arctic Oscillation on mean, variance, and extremes of temperature in the northeastern United States and Canada. J. Clim., 15, 3586–3600.

Wheeler, M.C., and J.L. McBride, 2005: Australian-Indonesian monsoon. In: Intraseasonal Variability of the Atmosphere-Ocean Climate System [Lau, W.K.M., and D.E. Waliser, (eds.)]. Praxis Publishing, Chichester, UK, pp. 125–173.

White, W.B., and R.G. Peterson, 1996: An Antarctic Circumpolar Wave in surface pressure, wind, temperature and sea-ice extent. Nature, 380, 699–702.

White, W.B., and J. Annis, 2004: Influence of the Antarctic Circumpolar Wave on El Niño and its multidecadal changes from 1950 to 2001. J. Geophys. Res., 109, C06019, doi:10.1029/2002JC001666.

White, W.B., and I. Simmonds, 2006: SST-induced cyclogenesis in the Antarctic Circumpolar Wave. J. Geophys. Res., 111, C08011, doi:10.1029/2004JC002395.

White, W.B., P. Gloersen, and I. Simmonds, 2004: Tropospheric response in the Antarctic Circumpolar Wave along the sea ice edge around Antarctica. J. Clim., 17, 2765–2779.

Wiedenmann, J.M., et al., 2002: The climatology of blocking anticyclones for the Northern and Southern Hemispheres: Block intensity as a diagnostic. J. Clim., 15, 3459–3473.

Wielicki, B.A., et al., 2002a: Evidence for large decadal variability in the tropical mean radiative energy budget. Science, 295, 841–844.

Wielicki, B.A., et al., 2002b: Response. Science, 296, http://www/sciencemag.org/cgi/content/full/296/5576/2095a.

Wielicki, B.A., et al., 2005: Change in Earth’s albedo measured by satellite. Science, 308, 825.

Wijngaard, J.B., A.M.G. Klein Tank, and G.P. Können, 2003: Homogeneity of 20th century European daily temperature and precipitation series. Int. J. Climatol., 23, 679–692.

Wild, M.A., et al., 2004: On the consistency of trends in radiation and temperature records and implications for the global hydrological cycle. Geophys. Res. Lett., 31, L11201, doi:10.1029/2003GL019188.

Wild, M.A., et al., 2005: From dimming to brightening: Decadal changes in solar radiation at Earth’s surface. Science, 308, 847–850.

Willis, J.K., D. Roemmich, and B. Cornuelle, 2004: Interannual variability in upper-ocean heat content, temperature and thermosteric expansion on global scales. J. Geophys. Res., 109, C12036, doi:10.1029/2003JC002260.

Wittman, M.A.H., et al., 2004: Stratospheric influence on baroclinic lifecycles and its connection to the Arctic Oscillation. Geophys. Res. Lett., 31, L16113, doi:10.1029/2004GL020503.

WMO, 2004: World Meteorological Organization Statement on the Status of Global Climate in 2003. World Meteorological Organization, Geneva, 12 pp.

Wong, T.D.F., M.H. Young, and S. Weckmann, 2000: Validation of the CERES/TRMM ERBE-like monthly mean clear-sky longwave dataset and the effects of the 1998 ENSO event. J. Clim., 13, 4256–4267.

Wong, T., et al., 2006: Re-examination of the observed decadal variability of Earth Radiation Budget using altitude-corrected ERBE/ERBS nonscanner WFOV data. J. Clim., 19, 4028−4040.

Woolf, D.K., P.G. Challenor, and P.D. Cotton, 2002: The variability and predictability of North Atlantic wave climate. J. Geophys. Res., 107, 3145, doi:10.1029/2001JC001124.

Worley, S.J., et al., 2005: ICOADS release 2.1 data and products. Int. J. Climatol., 25, 823–842.

Wu, M.C., W.L. Chang, and W.M. Leung, 2004: Impacts of El Niño-Southern Oscillation events on tropical cyclone landfalling activity in the western North Pacific. J. Clim., 17, 1419–1428.

Wylie, D.P., et al., 2005: Trends in global cloud cover in two decades of HIRS observations. J. Clim., 18, 3021−3031.

Xie, P., and Arkin, P.A. 1997: Global precipitation: A 17-year monthly analysis based on gauge observations, satellite estimates and numerical model outputs. Bull. Am. Meteorol. Soc., 78, 2539–2558.

Xie, S.P., et al., 2002: Structure and mechanisms of South Indian Ocean climate variability. J. Clim., 15, 864−878.

Yan, Z., et al., 2002: Trends of extreme temperatures in Europe and China based on daily observations. Clim. Change, 53, 355–392.

Yang, D., B. Ye, and D.L. Kane, 2004: Streamflow changes over Siberian Yenisei River Basin. J. Hydrol., 296, 59–80.

Yang, D., et al., 2002: Siberian Lena River hydrologic regime and recent change. J. Geophys. Res., 107, 4694, doi:10.1029/2002JD002542.

Ye, B.S., D.Q. Yang, and D.L. Kane, 2003: Changes in Lena River streamflow hydrology: Human impacts versus natural variations. Water Resour. Res., 39, 1200, doi:10.1029/2003WR001991.

Yin, X., A. Gruber, and P. Arkin, 2004: Comparison of the GPCP and CMAP merged gauge-satellite monthly precipitation products for the period 1979–2001. J. Hydrometeorol., 5, 1207–1222.

Yu, L.S., and M.M. Rienecker, 1999: Mechanisms for the Indian Ocean warming during the 1997–1998 El Niño. Geophys. Res. Lett., 26, 735–738.

Yu, R., B. Wang, and T. Zhou, 2004a: Climate effects of the deep continental stratus clouds generated by the Tibetan Plateau. J. Clim., 17, 2702–2713.

Yu, R., B. Wang, and T. Zhou, 2004b: Tropospheric cooling and summer monsoon weakening trend over East Asia. Geophys.Res. Lett., 31, L22212, doi:10.1029/2004GL021270.

Zhai, P.M., and X.H. Pan, 2003: Trends in temperature extremes during 1951–1999 in China. Geophys. Res. Lett., 30, 1913, doi:10.1029/203GL018004.

Zhai, P.M., et al., 2004: Trends in total precipitation and frequency of daily precipitation extremes over China. J. Clim., 18, 1096–1108.

Zhang, R., and T.L. Delworth, 2005: Simulated tropical response to a substantial weakening of the Atlantic thermohaline circulation. J. Clim., 18, 1853–1860.

Zhang, X., W.D. Hogg, and E. Mekis, 2001a: Spatial and temporal characteristics of heavy precipitation events over Canada. J. Clim., 14, 1923–1936.

Zhang, X., F.W. Zwiers, and G. Li, 2004a: Monte Carlo experiments on the detection of trends in extreme values. J. Clim., 17, 1945–1952.

Zhang, X., et al., 2001b: Trends in Canadian streamflow. Water Resour. Res., 37, 987–998.

Zhang, X., et al., 2004b: Climatology and interannual variability of Arctic cyclone activity: 1948–2002. J. Clim., 17, 2300–2317.

Zhang, X., et al., 2005: Trends in Middle East climate extremes indices from 1950 to 2003. J. Geophys. Res., 110, D22104, doi:10.1029/2005JD006181.

Zhang, Y., et al., 2004c: Calculation of radiative fluxes from the surface to top of atmosphere based on ISCCP and other global data sets: refinements of the radiative transfer model and the input data. J. Geophys. Res., 109, D19105, doi:10.1029/2003JD004457.

Zheng, X., and R.E. Basher, 1999: Structural time series models and trend detection in global and regional temperature series. J. Clim., 12, 2347–2358.

Zhou, S., et al., 2000: An inter-hemisphere comparison of the persistent stratospheric polar vortex. Geophys. Res. Lett., 27, 1123–1126.

Zhou, X.L., M.A. Geller, and M.H. Zhang, 2001: Cooling trend of the tropical cold point tropopause temperatures and its implications. J. Geophys. Res., 106, 1511–1522.

Zhou, Z.J., and G.C. Zhang, 2003: Typical severe dust storms in northern China (1954–2002). Chinese Sci. Bull., 48, 1224–1228 (in Chinese).

Zou, X.K., and P.M. Zhai, 2004: Relationship between vegetation coverage and spring dust storms over northern China. J. Geophys. Res., 109, D03104, doi:10.1029/2003JD003913.

Zou, X.K., P.M. Zhai, and Q. Zhang, 2005: Variations in droughts over China: 1951–2003. Geophys. Res. Lett., 32, L04707, doi:10.1029/2004GL021853.

Zveryaev, I.I., and P.S. Chu, 2003: Recent climate changes in precipitable water in the global tropics as revealed in National Centers for Environmental Prediction/National Center for Atmospheric Research reanalysis. J. Geophys. Res., 108, 4311, doi:10.129/2002JD002476.