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| Titel |
Global risk from the atmospheric dispersion of radionuclides by nuclear power plant accidents in the coming decades |
| VerfasserIn |
T. Christoudias, Y. Proestos, J. Lelieveld  |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7316
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 14, no. 9 ; Nr. 14, no. 9 (2014-05-13), S.4607-4616 |
| Datensatznummer |
250118692
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| Publikation (Nr.) |
 copernicus.org/acp-14-4607-2014.pdf |
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| Zusammenfassung |
| We estimate the global risk from the release and atmospheric dispersion of
radionuclides from nuclear power plant accidents using the EMAC atmospheric
chemistry–general circulation model. We included all nuclear reactors that
are currently operational, under construction and planned or proposed. We
implemented constant continuous emissions from each location in the model and
simulated atmospheric transport and removal via dry and wet deposition
processes over 20 years (2010–2030), driven by boundary conditions
based on the IPCC A2 future emissions scenario. We present global overall and
seasonal risk maps for potential surface layer concentrations and ground
deposition of radionuclides, and estimate potential doses to humans from
inhalation and ground-deposition exposures to radionuclides. We find that the
risk of harmful doses due to inhalation is typically highest in the Northern
Hemisphere during boreal winter, due to relatively shallow boundary layer
development and limited mixing. Based on the continued operation of the
current nuclear power plants, we calculate that the risk of radioactive
contamination to the citizens of the USA will remain to be highest worldwide,
followed by India and France. By including stations under construction and
those that are planned and proposed, our results suggest that the risk will
become highest in China, followed by India and the USA. |
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