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CRU 2.1 Temp Anomaly,°C
SST Only
SST+DUST+CROP
1.2
72°N
72°N
72°N
0.9
60°N
60°N
60°N
0.6
0.3
48°N
48°N
48°N
0
36°N
36°N
−0.3
36°N
−0.6
24°N
24°N
24°N
−0.9
−1.2
12°N
12°N
12°N
140°W 120°W 100°W 80°W 60°W 40°W
140°W 120°W 100°W 80°W 60°W 40°W
140°W 120°W 100°W 80°W 60°W 40°W
CRU 2.1 Precip Rate Anomaly, mm day −1
0.9
SST Only
SST+DUST+CROP
72°N
72°N
72°N
0.7
0.5
60°N
60°N
60°N
0.3
48°N
48°N
48°N
0.1
−0.1
36°N
36°N
36°N
−0.3
24°N
24°N
−0.5
−0.7
−0.9
24°N
12°N
12°N
12°N
140°W 120°W 100°W 80°W 60°W 40°W
140°W 120°W 100°W 80°W 60°W 40°W
140°W 120°W 100°W 80°W 60°W 40°W
Fig. 13.9 Anomalous temperature (K) and precipitation (mm per day) for the period 1932-1939, relative to 1920-1929. Observations ( left ) are from the Climate
Research Unit (CRU) version 2.1 dataset. Model averages are from five-member ensembles, forced by ( center ) SST only, and ( right ) SST plus expanded bare
soil and dust sources due to crop removal (Reproduced from Cook et al. 2009 )
 
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