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Reconstruction of a Fukushima accident-derived radiocesium fallout map for environmental transfer studies

放射性物質における環境動態研究のための福島原子力発電所事故由来の放射性セシウム沈着量マップ再構築

加藤 弘亮*; 恩田 裕一*; Gao, X.*; 眞田 幸尚  ; 斎藤 公明

Kato, Hiroaki*; Onda, Yuichi*; Gao, X.*; Sanada, Yukihisa; Saito, Kimiaki

Ascertaining the initial amount of accidentally released radiocesium is fundamental for determining the extent of radioactive contamination following nuclear accidents, and is of key importance to environmental transfer models. A series of the airborne monitoring surveys of radioactivity have conducted by the Japanese MEXT, and provide basic information on radioactive contamination following the accident. However, there are no clear guidelines regarding the selection of airborne monitoring survey results for estimating the initial fallout input in studies of the environmental transfer of radiocesium. This study reconstructed a fallout map of Fukushima accident-derived radiocesium based on a comparison of the radiocesium deposition densities derived from the third and fifth airborne monitoring surveys.

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パーセンタイル:35.78

分野:Environmental Sciences

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