Dynamic model for the transfer of CS-137 through the soil-grass-lamb foodchain

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    Abstract

    A dynamic radioecological model for the transfer of radiocaesium through the soil-grass-lamb foodchain was constructed on the basis of field data collected in 1990–1993 from the Nordic countries: Denmark, Faroe Islands, Finland, Iceland, Norway and Sweden. The model assumes an initial soil contamination of one kilobecquerel of 137Cs per square metre and simulates the transfer to grass through root uptake in addition to direct contamination from resuspended activity. The model covers two different soil types: clay-loam and organic, with significantly different transfers of radiocaesium to grass. The implementation of the metabolism of the lamb includes an assumption of a biological halflife of three weeks for radiocaesium.
    Original languageEnglish
    Title of host publicationNordic Radioecology — The Transfer of Radionuclides through Nordic Ecosystems to Man
    EditorsH. Dahlgaard
    Place of PublicationAmsterdam
    PublisherElsevier
    Publication date1994
    Pages229-237
    ISBN (Print)978-0-444-81617-7
    DOIs
    Publication statusPublished - 1994
    SeriesStudies in Environmental Science
    Volume62
    ISSN0166-1116

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