Pelagic tar off Georgia and Florida in relation to physical processes |
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Authors: | Camille Cordes Larry Atkinson Richard Lee Jack Blanton |
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Institution: | Skidway Institute of Oceanography, P.O. Box 13687, Savannah, Georgia 31406, USA |
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Abstract: | Following the Ixtoc I oil rig blowout in Campeche Bay we hypothesized that resulting tarballs should eventually appear in the Gulf Stream off Gerogia and that because of dynamic barriers in the innershelf little would reach nearshore areas. To test these hypotheses, surface tows to collect floating tar were taken off the coasts of Georgia and Florida in October and December, 1979.No tar was found within 40 km of the shore. All samples more than 40 km offshore contained some tar. The mean concentration was 0.82 mg m?2 with a range of 0.01–5.6 mg m?2. Closely spaced sampling showed extreme variation but trends were consistent. Perylene was the most abundant compound in the tarballs. |
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