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Science 12 November 1971:
Vol. 174. no. 4010, pp. 692 - 694
DOI: 10.1126/science.174.4010.692
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Articles

Mercury in a Greenland Ice Sheet: Evidence of Recent Input by Man

Herbert V. Weiss 1, Minoru Koide 2, and Edward D. Goldberg 2

1 Naval Undersea Research and Development Center, San Diego, California 92132
2 Scripps Institution of Oceanography, University of California, San Diego, La Jolla 92037

The increased mercury content in a Greenland ice sheet over the last several decades suggests the dissemination of this element about the earth's atmosphere through the activities of man. The mercury content in the atmosphere appears to result primarily from the degassing of the earth's crust. Increased flux may come about as a result of the enhancement of this degassing process through the actions of man.


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Lead and Mercury Burden of Urban Woody Plants.
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