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Title: SEASONAL VARIATION AND AGE OF RADIOACTIVE FALL-OUT

Abstract

Seasonal variations in the concentration of long-range fall-out material are discussed, and various meteorological conditions which may account for a spring maxima are reviewed. Data are tabulated from measurements of Sr/sup 9// sup 0/ in rain samples collected in Great Britain during 1960, specific concentrations of Rh/sup 1//sup 0//sup 6/, Sb/sup 1//sup 2//sup 5/, Cs/sup 1//sup 3//sup 7/ and Ce/sup 1//sup 4//sup 4/ in fallout samples, and the fission yield for various types of fission. From calculations based on available information on the dates of megaton explosions, it is concluded that the majority of the fall- out material originated from American and British equatorial tests of 1958. Discrepancies in the yield of Sb/sup 1//sup 2//sup 5/ and Rh/sup 1//sup 0//sup 6/ were found. It is concluded tha t these discrepancies may be explained if, in addition to the 14-Mev fission of U/sup 2//sup 3//sup 8/, other fission processes are involved. (C.H.) .

Authors:
;
Publication Date:
Research Org.:
Royal Cancer Hospital, London
Sponsoring Org.:
USDOE
OSTI Identifier:
4088920
NSA Number:
NSA-15-020962
Resource Type:
Journal Article
Journal Name:
Nature
Additional Journal Information:
Journal Volume: Vol: 190; Other Information: Orig. Receipt Date: 31-DEC-61
Country of Publication:
Country unknown/Code not available
Language:
English
Subject:
GEOLOGY, MINERALOGY, AND METEOROLOGY; AGE ESTIMATION; ANTIMONY 125; CERIUM 144; CESIUM 137; DISTRIBUTION; FALLOUT; FISSION; FISSION PRODUCTS; METEOROLOGY; NUCLEAR EXPLOSIONS; QUANTITY RATIO; RHODIUM 106; STRONTIUM 90; URANIUM 238; VARIATIONS

Citation Formats

Parker, R P, and Crookall, J O. SEASONAL VARIATION AND AGE OF RADIOACTIVE FALL-OUT. Country unknown/Code not available: N. p., 1961. Web. doi:10.1038/190574a0.
Parker, R P, & Crookall, J O. SEASONAL VARIATION AND AGE OF RADIOACTIVE FALL-OUT. Country unknown/Code not available. doi:10.1038/190574a0.
Parker, R P, and Crookall, J O. Sat . "SEASONAL VARIATION AND AGE OF RADIOACTIVE FALL-OUT". Country unknown/Code not available. doi:10.1038/190574a0.
@article{osti_4088920,
title = {SEASONAL VARIATION AND AGE OF RADIOACTIVE FALL-OUT},
author = {Parker, R P and Crookall, J O},
abstractNote = {Seasonal variations in the concentration of long-range fall-out material are discussed, and various meteorological conditions which may account for a spring maxima are reviewed. Data are tabulated from measurements of Sr/sup 9// sup 0/ in rain samples collected in Great Britain during 1960, specific concentrations of Rh/sup 1//sup 0//sup 6/, Sb/sup 1//sup 2//sup 5/, Cs/sup 1//sup 3//sup 7/ and Ce/sup 1//sup 4//sup 4/ in fallout samples, and the fission yield for various types of fission. From calculations based on available information on the dates of megaton explosions, it is concluded that the majority of the fall- out material originated from American and British equatorial tests of 1958. Discrepancies in the yield of Sb/sup 1//sup 2//sup 5/ and Rh/sup 1//sup 0//sup 6/ were found. It is concluded tha t these discrepancies may be explained if, in addition to the 14-Mev fission of U/sup 2//sup 3//sup 8/, other fission processes are involved. (C.H.) .},
doi = {10.1038/190574a0},
journal = {Nature},
number = ,
volume = Vol: 190,
place = {Country unknown/Code not available},
year = {1961},
month = {5}
}