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Hötzl, H. ; Rosner, G. ; Winkler, R.A.

Sources of present Chernobyl-derived caesium concentrations in surface air and deposition samples.

Sci. Total Environ. 119, 231-242 (1992)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
The sources of Chernobyl-derived caesium concentrations in air and deposition samples collected from mid-1986 to the end of 1990 at Munich-Neuherberg, Germany, were investigated. Local resuspension has been found to be the main source. By comparison with deposition data from other locations it is estimated that within a range from 20 Bq m-2 to 60 kBq m-2 of initially deposited 137Cs activity ~2% is re-deposited by the process of local resuspension in Austria, Germany, Japan and the United Kingdom, while significantly higher total resuspension is to be expected for Denmark and Finland. Stratospheric contribution to the present concentrations is shown to be negligible. This is confirmed by cross correlation analysis between the time series of 137Cs in air and precipitation before and after the Chernobyl accident and the respective time series of cosmogenic 7Be, which is an indicator of stratospheric input. Seasonal variations of caesium concentrations with maxima in the winter months were observed.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 1992
HGF-Berichtsjahr 0
ISSN (print) / ISBN 0048-9697
e-ISSN 1879-1026
Zeitschrift Science of the Total Environment, The
Quellenangaben Band: 119, Heft: , Seiten: 231-242 Artikelnummer: , Supplement: ,
Verlag Elsevier
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Radiation Protection (ISS)
PubMed ID 1631530
DOI 10.1016/0048-9697(92)90266-U
Scopus ID 0026613528
Erfassungsdatum 1992-06-01
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