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タイトル: Radiological situation in the vicinity of semipalatinsk nuclear test site: Dolon, mostik, cheremushka and budene settlements
著者: Sakaguchi, Aya
Yamamoto, Masayoshi link image link image
Hoshi, Masaharu
Imanaka, Tetsuji
Apsalikov, Kazbek N.
Gusev, Boris I.
坂口, 綾
山本, 政儀
発行日: 2006年
出版社(者): 放射線影響学会 = Japan Radiation Research Society
雑誌名: Journal of Radiation Research
ISSN: 0449-3060
巻: 47
号: SUPPL. A
開始ページ: 101
終了ページ: 116
キーワード: 137Cs
239,240Pu
Atomic Explosion
Budene
Cheremushka
Dolon
Hot-particle
Mostik
Semipalatinsk
Soil
抄録: The present situation of radioactive contamination at the village of Dolon and nearby villages such as Mostik, Cheremushka and Budene was investigated to serve as an aid to resolve dose discrepancy between model calculations and TL measurements made for external gamma-ray dose in air in Dolon. The paper was focused on the reevaluation of the accumulated levels and distribution of long-lived radionuclides 137Cs and Pu isotopes in soil using long core samples up to a depth of 30 and 100 cm. The inventories of 137Cs and 239,240Pu found were in the wide range of 140-10,310 and 140-14,320 Bq/m2, respectively. Most of the Pu in soil was tightly incorporated into various sizes of fused particles. Both 137Cs and 239,240Pu in soil were accumulated in the smaller soil size fraction of <125 μm, and the presence of hot particles, probably due to Pu, was clearly observed by star-like patterns from α-tracks. The obtained data will be helpful for evaluating the current and future radiation risks to the people living around there.
DOI: 10.1269/jrr.47.A101
URI: http://hdl.handle.net/2297/14459
関連URI: http://www.jstage.jst.go.jp/article/jrr/47/SupplementA/47_A101/_article
http://dx.doi.org/10.1269/jrr.47.A101
資料種別: Journal Article
権利関係: Copyright (c) 2006 by THE JAPAN RADIATION RESEARCH SOCIETY
版表示: publisher
出現コレクション:1. 査読済論文

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