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AbstractAbstract
[en] A marked increase in the ratio of 210Po to 210Pb in atmospheric precipitation observed at Fayetteville (360N, 940W), Arkansas, in winter seems to be attributable to a Brewer-Dobson-type global circulation of air masses rather than to atmospheric injections of excess 210Po from sources such as volcanic eruptions, soil particles, and/or plant exudates. The activities of 210Pb, 210Bi, and 210Po were measured in 46 samples which were collected at Fayetteville, Arkansas, during the months of July 1977 through December 1979. In approximately 72% of the cases the residence time calculated from the 210Bi/210Pb and 210Po/210Pb ratios were either concordant or near concordant
Primary Subject
Source
1980; 123 p; University Microfilms Order No. 80-26,030; Thesis (Ph. D.).
Record Type
Report
Literature Type
Thesis/Dissertation
Country of publication
ALPHA DECAY RADIOISOTOPES, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, BISMUTH ISOTOPES, DAYS LIVING RADIOISOTOPES, ELEMENTS, EVEN-EVEN NUCLEI, HEAVY NUCLEI, ISOTOPES, LEAD ISOTOPES, MONITORING, NONMETALS, NORTH AMERICA, NUCLEI, ODD-ODD NUCLEI, POLONIUM ISOTOPES, RADIOISOTOPES, RARE GASES, USA, YEARS LIVING RADIOISOTOPES
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