GEOCHEMICAL JOURNAL
Online ISSN : 1880-5973
Print ISSN : 0016-7002
ISSN-L : 0016-7002
Beryllium-7 deposition at Fayetteville, Arkansas, and excess polonium-210 from the 1980 eruption of Mount St. Helens
S. C. LeeA. I. SalehA. D. BanavaliL. JonoobyP. K. Kuroda
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JOURNAL FREE ACCESS

1985 Volume 19 Issue 6 Pages 317-322

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Abstract
Radiochemical measurements of 7Be were carried out for a total of 246 individual rain and snow samples collected at Fayetteville (36°N, 94°W), Arkansas, during the period between September 1979 and December 1984. A sharp increase in the 210Po/7Be ratio in rain observed during the winter and spring months of 1980-1981 was attributed to the fallout of excess 210Po from the May 1980 eruption of Mount St. Helens.
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© Geochemical Society of Japan
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