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Arabian Sea; new production; phytoplankton; primary production; mixed-layer dynamics; ocean carbon cycle; marine optics

We treat the ocean carbon cycle as a coupled physical-biogeochemical process. The interactions between mixed-layer dynamics and growth of phytoplankton in the layer are discussed, and the formal relationship between phytoplankton accumulation and new production is examined. A coupled biological-physical model is presented for studying the classical spring bloom in the N. Atlantic, and possible differences in the mechanisms that drive the seasonal phytoplankton blooms in the N. Atlantic and the Arabian Sea are discussed. Finally, recommendations are made for observational programs to improve our understanding of the biologically-mediated carbon cycle in the Arabian Sea.

Shubha Sathyendranath^{1 2} Trevor Platt²

1. Department of Oceanography, Dalhousie University, Halifax, Nova Scotia - B3H 4J1, Canada
2. Biological Oceanography Division, Bedford Institute of Oceanography, Box 1006, Dartmouth, Nova Scotia - B2Y 4A2, Canada

Published

June 1994