Approaches to estimating the transfer of radionuclides to Arctic biota
Autor: | V. N. Shutov, Nicholas A. Beresford, Catherine L. Barnett, Simon M. Wright, Vladislav Golikov, O. Kravtsova |
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Rok vydání: | 2005 |
Předmět: |
Radionuclide
Dynamic prediction Renewable Energy Sustainability and the Environment Health Toxicology and Mutagenesis Arctic ecosystem Public Health Environmental and Occupational Health Growing season Biota Terrestrial biota Atmospheric sciences Toxicology Nuclear Energy and Engineering Arctic Environmental science Safety Risk Reliability and Quality Waste Management and Disposal |
Zdroj: | Radioprotection. 40:S285-S290 |
ISSN: | 0033-8451 |
Popis: | We review collated data and available models for estimating the transfer of radionuclides to terrestrial biota within the European Arctic. The most abundant data are for radiocaesium and radiostrontium although many data for natural radionuclides are available. For some radionuclides no data are available for describing transfer to Arctic biota. Allometric-kinetic models have been used to estimate transfer for radionuclide-biota combinations. Predicted values were in good agreement with observed data for some radionuclides although less so for others. There are no bespoke models to enable the dynamic prediction of radionuclide transfer to Arctic biota. A human Arctic foodchain model has been adapted to estimate 137 Cs and 90 Sr transfer to some Arctic biota. There are many factors of Arctic ecosystems which may influence radionuclide behaviour including short growing seasons, prolonged soil freezing, and effects of low temperatures on biological rates. If exposure to ionising radiation in Arctic ecosystems is to be robustly predicted such factors must be fully understood and incorporated into models. |
Databáze: | OpenAIRE |
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