Submarine karst belt rimming the continental slope in the Straits of Florida |
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| Authors: | L A Land C K Paull |
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| Institution: | (1) Department of Geological Sciences, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3315, USA e-mail: laland@isis.unc.edu, US;(2) Monterey Bay Aquarium Research Institute, Moss Landing, CA 95039, USA, US |
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| Abstract: | Nine submarine sinkholes have been surveyed and mapped with side-looking sonar and echo-sounder profiles in the Straits of
Florida. These structures are irregularly distributed across the surface of the South Florida Margin, forming a discontinuous
belt along the edge of the slope. The sinkholes occur in water depths too great to have ever been exposed above sea level,
and some are several times larger than any known subaerial sinkholes in North America. Because most karst morphologies are
the product of groundwater circulation, the distribution of submarine sinkholes in the Florida Straits may be directly related
to the paleohydrology of the South Florida Platform.
Received: 26 April 1999 / Revision accepted: 11 April 2000 |
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