Distribution and source of tar on the Pacific Ocean |
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Authors: | CS Wong David R Green Walter J Cretney |
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Institution: | Ocean Chemistry Division, Ocean and Aquatic Sciences, Pacific Region, Department of Environment, 211 Harbour Road, Victoria BC, Canada. |
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Abstract: | Petroleum residues, or tar lumps, are concentrated in the northwestern portion of the Pacific Ocean, particularly in the Kuroshio current system. The source of the tar appears to be tank washings from tankers on the very large Middle East to Japan route. Tar pollutants apparently are discharged by tankers south of Japan, become entrained in the Kuroshio current, and create a plume of contamination which extends downstream for 7000 km across the Pacific. |
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