Atmospheric Dispersion and Deposition of Radionuclides ( 137 Cs and 131 I) Released from the Fukushima Dai-ichi Nuclear Power Plant
作者： Soon-Ung Park , Anna Choe , Moon-Soo Park
DOI: 10.4236/CWEEE.2013.22B011
关键词:
摘要: The Lagrangian Particle Dispersion Model (LPDM) in the 594 km× km model domain with horizontal grid scale of 3 km×3 centered at a power plant and Eulerian Transport (ETM) modified from Asian Dust Aerosol 2 (ADAM2) 70° LAT × 140° LON 27 km×27 have been developed. These models implemented to simulate concentration deposition radionuclides (137Cs 131I) released accident Fukushima Dai-ichi nuclear plant. It is found that both are able quite reasonably observed concentrations 137Cs 131I near However, LPDM more useful for estimation site details whereas ETM good long-range transport processes radionuclide plume. estimated maximum mean surface concentration, column integrated total (wet+dry) by period 12 March 30 April 2011 are, respectively be 2.975 102 Bq m-3, 3.7 107 m-2, 1.78 1014 m-2 1.96 104 2.24 109 5.96 131I. plumes spread wide regions not only whole downwind but upwind Russia, Mongolia, Korea, eastern China, Philippines Vietnam within analysis period.
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