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Science 26 June 1959:
Vol. 129. no. 3365, pp. 1742 - 1743
DOI: 10.1126/science.129.3365.1742
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Articles

Stratospheric Fallout of Strontium-89 and Barium-140

LOIS FRY 1 and P. K. KURODA 1

1 Department of Chemistry, University of Arkansas, Fayetteville

A series of nuclear test explosions which occurred in the fall of 1958 caused a very large increase of Sr89 and Ba140 in the stratosphere. The Ba140/Sr89 ratio in the stratosphere, and hence in the troposphere, has decreased steadily since then with a half-life of approximately 17 days.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Rhodium-102 High-Altitude Tracer Experiment: The tracer gives clues to the transport and distribution of materials in the stratosphere.
M. I. Kalkstein (1962)
Science 137, 645-652
   PDF »
Atmospheric Transport of Artificial Radioactivity.
E. A. Martell and P. J. Drevinsky (1960)
Science 132, 1523-1531
   PDF »
Spring Peak of Strontium-90 Fallout.
P. K. Kuroda, H. L. Hodges, and L. M. Fry (1960)
Science 132, 742-743
   Abstract »    PDF »


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