405
150
180
210
240
270
150
180
210
240
270
12
12
24
24
36
36
48
48
60
60
72
72
"
"
.,
"
84 .s:
84 .s:
~
C
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C
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0
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0
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>
I
==
I
==
96 I
96 I
v
v
v
v
150
180
2 10
240
270
150
180
210
240
270
Longitude
Longilude
Figure 3. Time-longitude diagram of SST averaged 2°N-2°S: (a) model, (b) COLA-CAC observations.
3
2
~
0
z
:1 0
III
(t) -1
-2
-3
Years->
Figure 4. Evolution of SST anomalies in Niiio3: model (dashed line) a.nd observations (solid line).