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	REPORTS - SPECIAL REPORTS

Emissions Scenarios



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Table VI-2: SRES web site access summary by countries and territories, from July 1998 to March 1999.
Accesses	Internet domain	Country/Territory	Accesses	Internet domain	Country/Territory


36 676 373 26 333 81 715 301 14 10 16 11 1085 203 3 9 204 297 3 262 13 12 7 23 36 20 11 34 35 6 320 1991 20	ar at au ba be br ca ch cn cl cr cz de dk ec ee es fi fj fr gb gr hr hk hu id ie il in is it jp kr	Argentina Austria Australia Bosnia and Herzegovina Belgium Brazil Canada Switzerland China Chile Costa Rica Czech Republic Germany Denmark Ecuador Estonia Spain Finland Fiji France Great Britain (UK) Greece Croatia Hong Kong Hungary Indonesia Ireland Israel India Iceland Italy Japan Republic of Korea (South)	6 8 3 17 22 3424 803 154 206 94 47 3 155 13 10 49 23 15 4 12 3 1921 74 3 2894 2948 1736 9 78 1723 806 8613	lb lu my mx lk nl no nz pl pt ru sa se sg si za th tw tt tz ua uk us uy com edu gov int mil net org unresolved	Lebanon Luxembourg Malaysia Mexico Sri Lanka Netherlands Norway New Zealand Poland Portugal Russian Federation Saudi Arabia Sweden Singapore Slovenia South Africa Thailand Taiwan, province of China Trinidad and Tobago Tanzania Ukraine United Kingdom United States Uruguay US Commercial US Educational US Government International US Military Network Non-Profit Organization IP addresses only

Table VI-3: Standardized GHG emissions for the four preliminary markers of the SRES open process, as posted on the CIESIN web page (sres.ciesin.org). These are not necessarily identical with the final marker scenarios.

Preliminary A1 Marker Scenario - Standardized Global GHG Emissions (Open Process Version, date of submission: 12/ 10/ 98)

Greenhouse Gas	Units	1990	2000	2010	2020	2030	2040	2050	2060	2070	2080	2090	2100

CO2 Fossil & Industry	GtC	6.2	6.8	9.7	12.2	14.2	15.2	16.2	15.9	15.6	15.0	14.1	13.2
CO₂ Deforestation	GtC	1.1	1.6	1.5	1.6	0.7	0.3	-0.2	-0.3	-0.3	-0.4	-0.5	-0.6
CH₄	Mt CH₄	322.2	346.8	416.8	483.8	547.2	530.6	514.1	463.6	413.0	370.3	335.5	300.6
N₂O	Mt N₂O-N	6.3	6.9	7.3	7.7	7.5	7.1	6.8	6.3	5.9	5.5	5.2	4.9
SO_x	MtS	72.6	69.0	87.4	100.8	91.4	77.9	64.3	51.2	44.9	30.7	29.1	27.4
NO_x	MtN	29.9	32.5	41.0	48.9	52.5	50.9	49.3	47.2	45.1	43.3	41.8	40.3
NMVOC	Mt	137.6	150.8	177.8	207.3	229.2	255.0	285.0	324.4	301.1	263.3	223.2	174.0
CO	Mt CO	892.5	1035.9	1272.6	1530.5	1641.2	1815.4	1989.7	2174.4	2359.2	2455.4	2463.0	2470.7
CFCs	GtC equiv.	1.563	0.614	0.413	0.050	0.014	0.006	0.002	0.001	0.001	0.000	0.000	0.000
HCFCs	GtC equiv.	0.087	0.201	0.226	0.075	0.038	0.035	0.002	0.000	0.000	0.000	0.000	0.000
HFCs	GtC equiv.	0.034	0.120	0.164	0.245	0.380	0.540	0.651	0.684	0.694	0.687	0.671	0.645
PFCs	GtC equiv.	0.057	0.068	0.075	0.109	0.157	0.196	0.217	0.221	0.200	0.155	0.170	0.184
SF₆	GtC equiv.	0.038	0.037	0.043	0.048	0.066	0.099	0.119	0.127	0.113	0.075	0.084	0.095

Preliminary A2 Marker Scenario Standardized Global GHG Emissions (Open Process Version, date of submission: 12/14//98)

Greenhouse Gas	Units	1990	2000	2010	2020	2030	2040	2050	2060	2070	2080	2090	2100

CO₂ Fossil & Industry	GtC	6.2	6.8	8.4	10.9	13.3	14.7	16.4	18.2	20.2	22.7	25.6	28.8
CO₂ Deforestation	GtC	1.1	1.6	1.6	1.7	1.5	1.3	1.2	0.7	0.4	0.3	0.2	0.2
CH₄	Mt CH₄	322.2	346.8	394.1	448.3	506.2	560.4	621.4	674.0	732.3	790.4	848.2	912.7
N₂O	Mt N₂O-N	6.3	6.9	7.9	9.4	10.5	11.1	11.8	12.7	13.7	14.6	15.5	16.4
SO_x	MtS	72.6	69.0	74.7	99.5	111.9	108.1	105.4	86.3	71.7	64.2	61.9	60.3
NO_x	MtN	29.9	32.5	39.6	50.7	60.8	65.8	71.5	75.6	80.1	87.3	97.9	109.7
NMVOC	Mt	137.6	150.8	164.1	188.0	210.3	221.3	234.6	245.8	259.5	282.2	314.7	351.9
CO	Mt CO	892.5	1035.9	1135.5	1233.6	1413.0	1494.3	1586.3	1696.1	1815.8	1985.4	2218.3	2484.3
CFCs	GtC equiv.	1.563	0.614	0.413	0.050	0.014	0.006	0.002	0.001	0.001	0.000	0.000	0.000
HCFCs	GtC equiv.	0.087	0.201	0.226	0.075	0.038	0.035	0.002	0.000	0.000	0.000	0.000	0.000
HFCs	GtC equiv.	0.035	0.116	0.152	0.182	0.228	0.278	0.341	0.427	0.512	0.621	0.753	0.883
PFCs	GtC equiv.	0.057	0.070	0.078	0.094	0.114	0.134	0.158	0.191	0.223	0.259	0.297	0.323
SF₆	GtC equiv.	0.038	0.041	0.053	0.067	0.079	0.092	0.110	0.122	0.129	0.135	0.153	0.165

Preliminary B1 Marker Scenario Standardized Global GHG Emissions (Open Process Version, date of submission: 10/7/98)

Greenhouse Gas	Units	1990	2000	2010	2020	2030	2040	2050	2060	2070	2080	2090	2100

CO₂ Fossil & Industry	GtC	6.2	6.8	7.7	8.3	8.4	9.1	9.8	10.4	10.1	8.7	7.5	6.5
CO₂ Deforestation	GtC	1.1	1.6	0.8	1.3	0.7	0.6	0.5	0.7	0.8	1.0	1.2	1.4
CH₄	Mt CH₄	322.2	346.8	366.8	395.8	402.8	423.3	443.8	444.8	445.8	446.8	412.8	378.8
N₂O	Mt N₂O -N	6.3	6.9	7.4	8.1	8.3	8.6	8.9	8.8	8.7	8.6	8.3	8.0
SO_x	MtS	72.6	69.0	59.8	56.2	53.5	53.3	51.4	51.2	49.2	42.2	33.9	28.6
NO_x	MtN	29.9	32.5	34.8	39.3	40.7	44.8	48.9	48.9	48.9	48.9	41.2	33.6
NMVOC	Mt	137.6	150.8	142.8	150.8	143.8	146.8	149.8	154.8	159.8	164.8	159.3	153.8
CO	Mt CO	892.5	1035.9	848.9	984.9	863.9	902.9	941.9	983.9	1025.9	1067.9	1008.9	949.9
CFCs	GtC equiv.	1.563	0.614	0.413	0.050	0.014	0.006	0.002	0.001	0.001	0.000	0.000	0.000
HCFCs	GtC equiv.	0.087	0.201	0.226	0.075	0.038	0.035	0.002	0.000	0.000	0.000	0.000	0.000
HFCs	GtC equiv.	0.033	0.113	0.151	0.182	0.232	0.296	0.391	0.390	0.383	0.373	0.357	0.337
PFCs	GtC equiv.	0.056	0.066	0.069	0.078	0.086	0.094	0.107	0.108	0.095	0.074	0.075	0.073
SF₆	GtC equiv.	0.038	0.036	0.037	0.038	0.048	0.059	0.069	0.071	0.062	0.040	0.043	0.043

Preliminary B2 Marker Scenario Standardized Global GHG Emissions (Open Process Version, date of submission: 11/2/98)

Greenhouse Gas	Units	1990	2000	2010	2020	2030	2040	2050	2060	2070	2080	2090	2100

CO₂ Fossil & Industry	GtC	6.2	6.8	7.9	8.9	10.0	10.8	11.1	11.6	11.8	12.4	13.1	13.7
CO₂ Deforestation	GtC	1.1	1.6	1.8	1.6	0.3	0.0	-0.3	-0.2	-0.2	-0.2	-0.2	-0.2
CH₄	Mt CH₄	322.2	346.8	388.7	447.5	500.9	528.3	537.9	544.4	541.5	529.4	508.5	508.4
N₂O	Mt N₂O -N	6.3	6.9	7.1	7.1	6.7	6.4	6.0	5.8	5.5	5.4	5.2	5.1
SO_x	MtS	72.6	69.0	68.2	65.0	59.9	58.8	57.2	53.7	51.9	49.1	48.0	47.3
NO_x	MtN	29.9	32.5	37.6	43.4	48.4	52.8	53.7	55.4	55.6	58.5	60.1	60.4
NMVOC	Mt	137.6	150.8	171.8	191.7	201.5	215.0	216.9	214.2	202.4	191.6	178.1	170.3
CO	Mt CO	892.5	1035.9	1138.3	1211.2	1175.1	1268.3	1350.5	1466.3	1624.7	1802.7	1948.3	2066.6
CFCs	GtC equiv.	1.563	0.614	0.413	0.050	0.014	0.006	0.002	0.001	0.001	0.000	0.000	0.000
HCFCs	GtC equiv.	0.087	0.201	0.226	0.075	0.038	0.035	0.002	0.000	0.000	0.000	0.000	0.000
HFCs	GtC equiv.	0.033	0.122	0.165	0.212	0.279	0.353	0.441	0.533	0.607	0.645	0.677	0.707
PFCs	GtC equiv.	0.057	0.070	0.080	0.101	0.126	0.155	0.186	0.210	0.228	0.235	0.234	0.229
SF₆	GtC equiv.	0.038	0.047	0.057	0.071	0.088	0.110	0.128	0.140	0.150	0.156	0.163	0.166

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