1.中山大学海洋科学学院,广东 珠海 519082
2.西班牙国家加速器中心,塞维利亚 41092
黄亚楠(1986年生),男;研究方向:同位素地球化学及年代学;E-mail:huangyn69@mail.sysu.edu.cn
纸质出版日期:2023-03-25,
网络出版日期:2022-11-07,
收稿日期:2022-05-07,
录用日期:2022-06-24
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黄亚楠.中国沿海省份环境中239+240Pu的来源与含量水平[J].中山大学学报(自然科学版),2023,62(02):113-122.
HUANG Yanan.The source and level of 239+240Pu in the environment of coastal provinces in China[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2023,62(02):113-122.
黄亚楠.中国沿海省份环境中239+240Pu的来源与含量水平[J].中山大学学报(自然科学版),2023,62(02):113-122. DOI: 10.13471/j.cnki.acta.snus.2022D024.
HUANG Yanan.The source and level of 239+240Pu in the environment of coastal provinces in China[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2023,62(02):113-122. DOI: 10.13471/j.cnki.acta.snus.2022D024.
放射性核素
239+240
Pu是环境中一类极毒的核素,也是核安全评估与放射性污染防治的敏感点。本文主要利用329个站位数据,从空气、土壤、河流沉积物以及湖泊沉积物中
239+240
Pu含量水平等4个方面,探讨中国沿海省份环境中
239+240
Pu的来源和含量水平;并初步建立了环境中以1 μBq/m
3
或者1 mBq/g为基准值
239+240
Pu相对含量水平的评估体系标准。研究结果表明,中国沿海省份空气、土壤、河流和湖泊沉积物中
239+240
Pu均处于本底辐射水平,不存在安全风险,来源于全球大气核试验沉降,与中国沿海核电厂的运行没有明显关联。
The
239+240
Pu is a highly toxic radionuclide in the environment, and it is also the focus of nuclear safety assessment and radioactive pollution prevention. This study mainly uses published data from 329 stations to analyze the
239+240
Pu amount in the air, soils, river sediments, and lake sediments in coastal provinces in China, thus, providing a three-dimensional description of the sources and levels of the
239+240
Pu in the environment of the area. On this basis, the study established a relative evaluation system of the
239+240
Pu level in the environment of 1 μBq/m
3
or 1 mBq/g. The results show that the
239+240
Pu in the air, soils, rivers and lakes of coastal provinces are at a low quasi-background level, indicating that they are from global fallout, have nothing to do with the operation of Chinese nuclear power plants (NPPs), and have no safety risk at present in the environment.
239+240Pu环境240Pu/239Pu沿海省份含量水平
239+240Puenvironment240Pu/239Pucoastal provinceslevel
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