Geoscience Reference
In-Depth Information
(a) DJF
90°N
11200
11600
12000
45°N
12000
12400
Equator
12400
12400
000
12000
45°S
11600
11200
90°S
0°
60°E
120°E
180°
120°W
60°W
0°
(
b
) JJA
90°N
12000
45°N
12400
Equator
12400
12000
11600
11200
45°S
10800
90°S
0°
60°E
120°E
180°
120°W
60°W
0°
(c) DJF - JJA
90°N
45°N
-800
-400
-400
0
Equator
0
45°S
400
90°S
0°
60°E
120°E
180°
120°W
60°W
0°
Figure 2.5 Geopotential height distributions at 200 hPa for the (a) December-January-
February mean (DJF), (b) June-July-August mean (JJA), and (c) their difference.
