Mathematics – Logic
Scientific paper
Jun 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30k..26v&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 11, pp. 26-1, CiteID 1572, DOI 10.1029/2002GL016717
Mathematics
Logic
12
Oceanography: General: Descriptive And Regional Oceanography, Oceanography: Physical: Upper Ocean Processes, Oceanography: General: Upwelling And Convergences, Oceanography: Biological And Chemical: Plankton
Scientific paper
Satellite derived chlorophyll a imageries are used to present a phytoplankton bloom in the Bay of Bengal during the northeast monsoon (November-February) and the mechanisms that can upwell nutrients to sustain the bloom are investigated using sea level anomalies and winds. OCTS and SeaWiFS chlorophyll a images show that there is a phytoplankton bloom in the southwestern part of the bay during November-January. The chlorophyll a concentration of the bloom can be as high as 2 mg m-3 compared to near zero value before the bloom. Open ocean upwelling driven by Ekman pumping causes the bloom. The cyclones which are common during this period lead to localized intense blooms in the western Bay of Bengal. The offshore extent and the intensity of the bloom varies from year to year. The bloom was absent during 1997 due to weak Ekman pumping.
Mathew Simi
Vinayachandran P. N.
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