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2002 LAPCOD Meeting
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Lagrangian modeling of diapaused copepods in intermediate to deep layers in the Arabian Sea
N. Idrisi, and M.J. Olascoaga
University of Miami/RSMAS
nidrisi@rsmas.miami.edu(Abstract received 11/01/2002 for session A)
ABSTRACT
In this study, we track trajectories of Lagrangian particles in different isopycnal layers within MICOM fields of the regional domain of the Arabian Sea. The purpose of this modeling exercise is to determine the distributional patterns and fate of individual particles over space and time. We show the relative connectedness among three key upwelling areas in the Arabian Sea: the Gulf of Aden, the Omani coastal waters, and the Somali coastal waters, which are the locations the modeled copepods enter diapause (hibernation). Since the Lagrangian particles represent biological entities, biological dynamics in the form of metabolism and behavior are coded for each individual particle to simulate successful emergence from the diapause state. The general modeling concepts we present are similar to the model of C. Paris and R. Cowen with respect to connectivity among regions of biological activity, though the specific hypotheses contrast in terms of life history strategies adopted by differing biological populations.
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2002 LAPCOD Meeting, Key Largo, Florida, December 12-16, 2000