The origin of plutonium in the atmosphere

S. C. Lee, H. H.S.C. Rao, Y. Sakuragi, N. Bakhtiar, F. S. Jiang, P. K. Kuroda

研究成果: 雜誌貢獻期刊論文同行評審

9 引文 斯高帕斯(Scopus)

摘要

Radiochemical measurements of 239,240 Pu were carried out for a total of 288 individual rain and snow samples collected at Fayetteville (36°N, 94°W), Arkansas, during the period between February 1976 and October 1984, The results indicate that the plutonium inventory in the northern stratosphere has been decreasing during the past several years at a rate corresponding to about 1,2 years for the mean strato-spheric residence time of plutonium. However, the fallout of plutonium may not be attributable solely to the atmospheric injections of nuclear debris from the weapons tests. It appears that the recent volcanic eruptions may have played an important role in altering the stratospheric inventory of plutonium.

原文???core.languages.en_GB???
頁(從 - 到)283-288
頁數6
期刊GEOCHEMICAL JOURNAL
19
發行號5
DOIs
出版狀態已出版 - 1986

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