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The phytoplankton bloom in the northwestern Arabian Sea during the southwest monsoon of 1979The present study investigates the biological variability of the northwestern Arabian Sea during the 1979 southwest monsoon by the synthesis of satellite ocean color remote sensing with an analysis of in situ hydrographic and meteorological data sets and the results of wind-driven modeling of upper-ocean circulation. The phytoplankton bloom peaked during August-September, extended from the Oman coast to about 65 deg E, and lagged behind the development of open-sea upwelling by at least 1 mo. The pigment distributions, hydrographic data, and model results all suggest that the boom was driven by spatially distinct upward nutrient fluxes to the euphotic zone forced by the physical processes of coastal upwelling and offshore Ekman pumping. Coastal upwelling was evident from May through September, yielded the most extreme concentrations of phytoplankton biomass, and, along the Arabian coast, was limited to the continental shelf in the promotion of high concentrations of phytoplankton.
Document ID
19920032271
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Brock, John C.
(Cooperative Institute for Research in Environmental Sciences, Boulder, CO; Bedford Institute of Oceanography Dartmouth, Canada)
Mcclain, Charles R.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Luther, Mark E.
(South Florida, University Saint Petersburg, FL, United States)
Hay, William W.
(Cooperative Institute for Research in Environmental Sciences Boulder, CO, United States)
Date Acquired
August 15, 2013
Publication Date
November 15, 1991
Publication Information
Publication: Journal of Geophysical Research
Volume: 96
ISSN: 0148-0227
Subject Category
Oceanography
Accession Number
92A14895
Distribution Limits
Public
Copyright
Other

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