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(a) Paci c (180°)
(b) Atlantic (30°W)
0
35.5
34.5
35
35
500
34.5
1000
34.5
1500
2000
2500
3000
3500
4000
4500
5000
5500
60°
S
40°
S
20°
S
Equator 20°
N
40°
N
60°
N
60°
S
40°
S
20°
S
Equator 20°
N
40°
N
60°
N
Figure 2.21 Annual mean salinity cross sections for the Pacific and Atlantic Oceans
taken (a) along the International Date Line (180°) and (b) at 30°W. The contour
interval is 0.5 psu. From World Ocean Atlas , Conkright et al. (1998).
E. Greenland
Labrador
Oyashio
60°N
N. Atlantic
Drift
Alaska
C a na r y
N. Paci c
California
Gulf
Stream
30°N
Kuroshio
N. Equatorial
Equat o rial Counter
Equator
S. Equatorial
E. Australian
Peru
Benguela
30°S
Agulhas
Brazil
W. Australian
60°S
Antarctic Circumpolar
30°E
60°E
90°E 120°E 150°E 180° 150°W
120°W 90°W 60°W 30°W 0°
Figure 2.22 Schematic illustrating ocean surface currents superimposed over sea
surface temperature contours as in Figure 2.15 .
 
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