History of the radioactive pollution in Japan; Hiroshima, Nagasaki, Chernobyl, and Fukushima

Yamazaki, Hideo*; Ishizu, Naoto*; Kokubu, Yoko

Our country has experienced radioactive pollution of many times, such as atomic bombs of Hiroshima and Nagasaki, global fallout from nuclear weapon tests and the accident of Chernobyl until now. The radioactive pollution has been released even in now from the Fukushima Nuclear Power Plant, which was damaged by the Eastern Japan earthquake disaster. We report the historical trend of radioactive pollution in our country and the actual condition of present incident. We analyzed soils and sediment cores collected in Nagasaki and determined the spatiotemporal distribution of the radionuclide released from the Nagasaki atomic bomb. Some surface soils in Fukushima City (55km from nuclear power plant) was measured by -ray spectrumetry and some radionuclides such as $^{131}$ I and $^{134}$ Cs were detected.

Language	:	English
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Meeting title	:	IUPAC International Congress on Analytical Sciences 2011 (ICAS 2011)
Held date	:	2011/05
Location (city)	:	Kyoto
Location (country)	:	Japan
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Keywords	:	福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
Research Facility	:	CLEAR(高度環境分析研究棟)
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Registration No. : BB20110243
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