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Free Content Coastal Currents Along the Southern Shore of Grand Bahama Island

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Abstract:

Measurements of currents, temperature, and salinity were made over 1-month observation periods during summer and winter conditions in the shelf waters along the southern shore of Grand Bahama Island. Temperature and salinity transects reveal the absence of a coastal water mass. Coastal currents were highly variable and generally aligned with bottom isobaths. Maximum current speeds toward the east and west were approximately 40 cm/sec. Mean currents were weak (≈3 cm/sec) and toward the west. Energetic current fluctuations occurred with tidal to fortnightly periods. Most of the current variability was associated with low-frequency motions within a period band of 3 to 8 days. These fluctuations appear, at times, to be the direct result of local wind forcing during the passage of cold fronts; at other times they resemble westward propagating shelf waves. Implications to the Bahama's Oil Refining Company's tanker operation are discussed.

Document Type: Research Article

Publication date: October 1, 1977

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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