Selenium and Sulfur in a Greenland Ice Sheet: Relation to Fossil Fuel Combustion
- 16 April 1971
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 172 (3980), 261-263
- https://doi.org/10.1126/science.172.3980.261
Abstract
In the combustion of fossil fuels, selenium is mobilized in the atmosphere to a much lesser extent than is sulfur. This difference is ascribed to the chemical behavior of their respective tetravalent oxides. The ratio of selenium to sulfur in glacial ice is characteristic of terrestrial matter, and these elements may find their way to ice sheets by the formation of volatile compounds in biochemical processes.Keywords
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