Stratospheric Fallout of Strontium-89 and Barium-140
- 26 June 1959
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 129 (3365) , 1742-1743
- https://doi.org/10.1126/science.129.3365.1742
Abstract
A series of nuclear test explosions which occurred in the fall of 1958 caused a very large increase of Sr 89 and Ba 140 in the stratosphere. The Ba 140 /Sr 89 ratio in the stratosphere, and hence in the troposphere, has decreased steadily since then with a half-life of approximately 17 days.Keywords
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