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Jacob, P. ; Müller, H.M. ; Pröhl, G. ; Voigt, G.M. ; Berg, D.J. ; Paretzke, H.G. ; Regulla, D.F.

Environmental behaviour of radionuclides deposited after the reactor accident of Chernobyl and related exposures.

Radiat. Environ. Biophys. 32, 193-207 (1993)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Several radioecological experiences with isotopes of ruthenium, iodine, caesium and barium, obtained after the reactor accident of Chernobyl, are reported. It was found that for a wet deposition barium was the element with the highest retention on grass. The retention of caesium was lower by a factor of 1.6, retention of iodine by a factor of 2.4 and retention of ruthenium by a factor of 3.5. Former data on the caesium transport in cereals from leaves to grain were confirmed. Depending on the conditions the iodine transfer factor for milk varied between 0.002 and 0.007 d · kg-1. The caesium transfer factor for milk was (0.003±0.0006) d . kg-1 and was found to be relatively constant in the years 1986-1988. In 1991, the values were higher by a factor of 2-5. Radioecological model results of whole-body burdens in Southern Bavaria showed a reduction of the caesium ingestion doses due to countermeasures and spontaneous changes of consumption habits in the first 2 months by a factor of 5 and till the end of 1987 by a factor of 1.5. The model results agree well with the range of measured whole-body burdens. One month after the deposition, the external exposures in urban environments due to ruthenium, caesium and barium isotopes were found to be reduced by a factor of 2, compared with open lawns, in the case of iodine the reduction was even a factor of 2.5. External exposures of a population group from the Munich area were determined by thermoluminescence dosimetry. The results are in accordance with the spectral measurements of external dose rates in urban environments.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
ISSN (print) / ISBN 0301-634X
e-ISSN 1432-2099
Zeitschrift Radiation and Environmental Biophysics
Quellenangaben Band: 32, Heft: 3, Seiten: 193-207 Artikelnummer: , Supplement: ,
Verlag Springer
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Radiation Protection (ISS)