Figure 9.27: Locations of
NAO centres (taken to be the position of maximum variance as computed from an
EOF analysis of sea level pressure fields) of ECHAM4/OPYC (Ulbrich and Christoph,
1999). The average positions from the entire control run (using winter means)
are marked by black squares, those of consecutive decades in the scenario run
(using all individual months) are marked by open circles before year 2020 and
by black dots thereafter.
