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African Journal of Marine Science

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Ekman estimates of upwelling at cape columbine based on measurements of longshore wind from a 35-year time-series

AS Johnson, G Nelson

Abstract


Cape Columbine is a prominent headland on the south-west coast of Africa at approximately 32°50´S, where there is a substantial upwelling tongue, enhancing the ambient upwelling on the shelf, produced by wind-stress
curl. From hourly records of wind measured there, the longshore component of wind stress was calculated and the consequent Ekman transport arising through the coastal divergence was estimated.



AJOL African Journals Online