Historical Trend of ^<137>Cs Released from Nagasaki Atomic Bomb Recorded in Sediment Core of Nishiyama Reservoir at Nagasaki, Japan
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説明
In the dated core sediment of Nishiyama reservoir at Nagasaki city, historical distribution of ^<137>Cs activity was determined. Sediment containing ^<137>Cs, which was deposited immediately after a detonation of Nagasaki atomic bomb, was identified in the core. Observed in the sediments were macroscopic charcoals, ^<239+240>Pu activity and ^<240>Pu/^<239>Pu isotopic ratio, and providing evidence for initial deposit of the fallout of the Nagasaki atomic bomb. This is the first entire depositional record of ^<137>Cs released from the Nagasaki atomic bomb together with these from atmospheric nuclear tests.
収録刊行物
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- 理工学総合研究所研究報告
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理工学総合研究所研究報告 (22), 23-26, 2010-02-01
近畿大学理工学総合研究所
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詳細情報 詳細情報について
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- CRID
- 1050001202557203584
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- NII論文ID
- 120005737141
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- NII書誌ID
- AN10074306
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- ISSN
- 09162054
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- NDL書誌ID
- 10624839
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- 本文言語コード
- en
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
- CiNii Articles