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Science 7 August 1987:
Vol. 237. no. 4815, pp. 633 - 634
DOI: 10.1126/science.3603043
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Articles

Science, Vol 237, Issue 4815, 633-634
Copyright © 1987 by American Association for the Advancement of Science

articles

Radioactive cesium from the Chernobyl accident in the Greenland Ice Sheet

CI Davidson, Harrington JR, MJ Stephenson, MC Monaghan, J Pudykiewicz, and WR Schell

Measurements of cesium-134 and cesium-137 in Greenland snow together with models of long-range transport have been used to assess radionuclide deposition in the Arctic after the Chernobyl accident. The results suggest that a well-defined layer of radioactive cesium is now present in polar glaciers, providing a new reference for estimating snow accumulation rates and dating ice core samples.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)