Monitoring of atmospheric radionuclides from the Fukushima nuclear accident and assessing their impact on Xi＇an, China

Aerosol radionuclides （1311, 134Cs, 137Cs） and gaseous radioactive xenon （133Xe） were monitored at Xi＇an, China following the accident at the Fukushima nuclear power plant in March 2011. The additional annual effective dose attributable to the Fukushima emissions was much lower than the public annua...

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Published in中国科学通报：英文版 no. 13; pp. 1585 - 1591
Main Author LIU LongBo WU Shan CAO JunJi XIE Feng SHI QuanLin ZHANG ChangYun TANG HanBing HE XiaoBin ZHANG Rong CHEN LiYun WEI GuanYi ZHANG ZhiHong ZHANG JiaMei DANG HaiJun
Format Journal Article
LanguageEnglish
Published 2013
Subjects
中国国家标准
切尔诺贝利核事故
大气
年有效剂量
放射性核素
监测结果
西安
评估
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Summary:Aerosol radionuclides （1311, 134Cs, 137Cs） and gaseous radioactive xenon （133Xe） were monitored at Xi＇an, China following the accident at the Fukushima nuclear power plant in March 2011. The additional annual effective dose attributable to the Fukushima emissions was much lower than the public annual effective dose from natural radiation, according to Chinese national standards. The monitoring results were compared with data from other countries as well as with the radionuclide concentrations observed in Xi＇an after the Chernobyl nuclear accident in 1986. Possible transport pathways of the released radionuclides from Fukushima to Xi＇an were investigated. The occurrence of an anticyclone in the Pacific Ocean region and the extended period over which the radionuclides were released made the determination transport pathways complex, but divergence in the plume and easterly flow evidently brought the initial suite of radionuclides to Xi＇an.
Bibliography:Fukushima nuclear accident, radionuclides, atmospheric radiation monitoring, xenon, transport pathways
Aerosol radionuclides （1311, 134Cs, 137Cs） and gaseous radioactive xenon （133Xe） were monitored at Xi＇an, China following the accident at the Fukushima nuclear power plant in March 2011. The additional annual effective dose attributable to the Fukushima emissions was much lower than the public annual effective dose from natural radiation, according to Chinese national standards. The monitoring results were compared with data from other countries as well as with the radionuclide concentrations observed in Xi＇an after the Chernobyl nuclear accident in 1986. Possible transport pathways of the released radionuclides from Fukushima to Xi＇an were investigated. The occurrence of an anticyclone in the Pacific Ocean region and the extended period over which the radionuclides were released made the determination transport pathways complex, but divergence in the plume and easterly flow evidently brought the initial suite of radionuclides to Xi＇an.
11-1785/N
ISSN:1001-6538
1861-9541