Internal waves and short-scale distribution patterns of chlorophyll in the Strait of Gibraltar and Alboran Sea
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DepartmentBioquímica y Biología Molecular, Microbiología, Medicina Preventiva, Salud Pública
SourceGeophysical Research Letters - 2009 VOL. 36, L23601, 1-6
A selection of ASAR images have been analyzed, together with instantaneous images of surface chlorophyll recorded with MERIS and MODIS, in order to study the relationship between the physical and biological processes associated with internal waves in the Strait of Gibraltar and Alborán Sea. The images show peak levels of chlorophyll at the coastal edges to the north and south of the Camarinal Sill (CS) during the generation of internal waves, and peak levels of chlorophyll associated with the wave fronts as they travel into the Alborán Sea. The images have been compared with in-situ data. The results seem to indicate that, during the generation of the internal waves, a suction process takes place by which coastal waters rich in chlorophyll are drawn towards the center of the channel and then accompany the internal waves as they move towards the Alborán Sea.