Articles | Volume 11, issue 3
Ocean Sci., 11, 483–502, 2015
https://doi.org/10.5194/os-11-483-2015
Ocean Sci., 11, 483–502, 2015
https://doi.org/10.5194/os-11-483-2015

Research article 30 Jun 2015

Research article | 30 Jun 2015

Decadal variability and trends of the Benguela upwelling system as simulated in a high-resolution ocean simulation

N. Tim et al.

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Short summary
The atmospheric drivers of the Benguela upwelling systems and its variability are statistically analysed with an ocean-only simulation over the last decades. Atmospheric upwelling-favourable conditions are southerly wind/wind stress, a strong subtropical anticyclone, and an ocean-land sea level pressure gradient as well as a negative ENSO and a positive AAO phase. No long-term trends of upwelling and of ocean-minus-land air pressure gradients, as supposed by Bakun, can be seen in our analysis.