Provincial nature of chlorophyll and sea surface temperature observed by satellite
Monthly composite SeaWiFS derived chlorophyll, National Oceanic and Atmospheric Administration (NOAA) Advanced Very High Resolution Radiometer (AVHRR) derived sea surface temperature (SST) and QuikScat derived wind data of 2003-2005 (January-December) were analysed to study the provincial nature of chlorophyll-a (chl-a), SST and wind speed in the Arabian sea and Bay of Bengal. The study was confined to five provinces, three in the Arabian Sea and two in the Bay of Bengal. Results indicate provincial variability in the SST-chl-a relation. It suggests that the correlation between chlorophyll and SST is not always negative. A negative correlation was observed in provinces 1, 2 and 3 for all the seasons, whereas, except for the month of January-February, it was positively correlated for province 4. Analysis shows the provincial specific nature of chlorophyll variability to physical forcing and suggests that treatment of such a problem should not be undertaken on the basin scale.
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Document Type: Research Article
Affiliations: Marine and Earth Sciences Group, Space Applications Centre (ISRO), Ahmedabad - 380 015, Gujarat, India
Publication date: January 1, 2009