Surface Currents in Exuma Sound, Bahamas and Adjacent Areas with Reference to Potential Larval Transport
Abstract:Surface currents in Exuma Sound (ES) were examined using satellite-tracked drifters. Of four drifters released on a line across central ES, the two launched on the middle of the transect moved to the northern part of the Sound while those launched nearest the edges did not. Of three drifters released near the deep opening of ES, one moved to northern ES and two launched in advance of a cold front moved into the Atlantic. Surface circulation in ES appears active with a general northwesterly flow, eddies and jets, mean current speeds of 11.2–19.8 cm sec−1, and drogue drift times of 6–35 days before grounding. Drogues exiting ES into the north Atlantic moved at times to the south and east, contrary to conventional presentations of the Antilles Current and on several occasions approached shallow water areas of the Bahamas. Current patterns indicate the potential for complete pelagic development of larvae of various benthic invertebrates and fishes within ES.
Document Type: Research Article
Publication date: January 1, 1995
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