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タイトル福島第一原子力発電所から大気放出された131I及び137Csの放出源推定
翻訳タイトルSource term estimation of 131I and 137Cs discharged from the Fukushima Daiichi Nuclear Power Plant into the atmosphere
情報提供機関Springer
著者永井 晴康
著者堅田 元喜
著者寺田 宏明
著者茅野 政道
掲載日2014-03
言語eng
ページ数155p.-173p.
種別report
内容記述JAEA has been trying to estimate the source term of iodine and cesium discharged from the Fukushima Daiichi Nuclear Power Plant to the atmosphere. As the first step, the source term was preliminary estimated by coupling environmental monitoring data with atmospheric dispersion simulations by SPEEDI and WSPEEDI. Then, detailed analysis on the local atmospheric dispersion has been carried out, and revealed the formation process of high dose rate zone around north-west direction from the plant. With this analysis and further analysis for the early phase of the accident, the release rates and total amounts of 131I and 137Cs discharged into the atmosphere were re-estimated for the period from 12 to 15 March, 2011. Finally, the validity of revised source term was also examined by comparing daily and monthly surface deposition (fallout) over land in eastern Japan between measurements and outputs from the regional scale atmospheric dispersion simulation.
情報源JOPSS関連URL関連URL
関連するサイト
基礎・基盤研究全体マップ(2021)
URIhttps://f-archive.jaea.go.jp/dspace/handle/faa/211475