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Of all the major coastal upwelling systems in the World's ocean, the Benguela, located off south-west Africa, is the one which climate models find hardest to simulate well. A new paper investigates the sensitivity of upwelling processes and sea surface temperature (SST) in this region to resolution of the climate model and to the offshore wind structure. The representation of wind stress curl is the key factor governing the upwelling response, in line with previous theoretical literature. [Source: CLIVAR (Climate and Ocean: Variability, Predictability and Change)]
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