May 3rd, 1997 POLDER image showing the so-called Mauritania upwelling. The vertical movement of cold, nutrient enriched waters to the surface allowed plankton growth along the African western coast.
Reproduced with permission of Laboratoire d'Optique Atmospherique (LOA), Lille, FR; Laboratoire des Sciences du Climat et de l'Envrionnement (LSCE), Gif sur Yvette, FR; Centre National d'Etudes Spatiales (CNES), Toulouse, FR; and National Space Development Agency (NASDA), Japan.
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