Distributions of fallout 137Cs, 239+240Pu and 241Am in a soil core from South Central China

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成果类型：

期刊论文

作者：

Wang, Hai;Ni, Youyi;Men, Wu;Wang, Zhongtang;Liu, Min;...

通讯作者：

Wang, Hai(haiwang@usc.edu.cn);Zheng, Jian(zheng.jian@qst.go.jp)

作者机构：

[Xiao, Detao; Wang, Hai; Liu, Min] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Wang, Zhongtang; Ni, Youyi] China Acad Engn Phys, Inst Nucl Phys & Chem, Mianyang 621900, Peoples R China.

[Men, Wu] Nanjing Univ Informat Sci & Technol, Sch Marine Sci, Ningliu Rd, Nanjing 210044, Jiangsu, Peoples R China.

[Wang, Hai; Zheng, Jian] Natl Inst Radiol Sci, Natl Inst Quantum Sci & Technol, 491 Anagawa, Inage, Chiba 2638555, Japan.

通讯机构：

[Hai Wang] S

[Jian Zheng] N

National Institute of Radiological Sciences, National Institutes for Quantum Science and Technology, 491 Anagawa, Inage, Chiba, 263-8555, Japan<&wdkj&>School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China<&wdkj&>National Institute of Radiological Sciences, National Institutes for Quantum Science and Technology, 491 Anagawa, Inage, Chiba, 263-8555, Japan

语种：

英文

关键词：

Fallout;Soil surveys;Soils;137cs;241be/239+240pu activity ratio;Activity concentration;Activity ratios;Central chinas;Global fallout;Pu isotope;Red soils;Soil cores;Vertical distributions;Radioisotopes;americium 241;cesium 137;organic matter;plutonium 239;plutonium 240;cesium;Cesium-137;plutonium;cesium isotope;fallout;ion exchange;plutonium isotope;radioactivity;red soil;soil type;spatial distribution;vertical distribution;Article;bulk density;cation exchange;China;fallout;forest soil;precipitation;soil layer;surface property;surface soil;velocity;radiation monitoring;soil;soil pollutant;China;Hunan;Cesium Radioisotopes;China;Plutonium;Radiation Monitoring;Soil;Soil Pollutants, Radioactive

期刊：

Journal of Environmental Radioactivity

ISSN：

0265-931X

年：

2022

卷：

251-252

页码：

106971

DOI：

10.1016/j.jenvrad.2022.106971

基金类别：

This work was supported by the ERAN ( I-21-26 , I-20-22 ), JSPS KAKENHI (grant no. 21H03609 ), the Excellent Youth Project of Scientific Research Fund of Hunan Provincial Education Department (grant number 18B271 ) and Natural Science Foundation of Hunan Province (grant number 2021JJ40457 ). We thank the reviewers for the constructive and detailed comments. They help us a lot to improve our manuscript.

机构署名：

本校为第一机构

院系归属：

核科学技术学院

摘要：

The source and vertical distribution of 137Cs,239+240Pu and 241Am activity concentrations in a soil core from Hunan Province, China were investigated. The maximum 137Cs and 239+240Pu activity concentrations were 15.45 ± 0.76 mBq/g and 0.819 ± 0.066 mBq/g, respectively. While the maximum 241Am activity concentration in samples obtained from the core was 0.341 ± 0.019 mBq/g. The 240Pu/239Pu atom ratio and the 137Cs/239+240Pu activity ratio were 0.183 ± 0.011 and 19.5 ± 1.8, respectively, and both were consistent with the characteristic value...

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Distributions of fallout 137Cs, 239+240Pu and 241Am in a soil core from South Central China

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