Daily variation of I-131, Cs-134 and Cs-137 activity concentrations in the atmosphere in Osaka during the early phase after the FDNPP accident

被引：0
|
作者：
Zijian Zhang
Kazuhiko Ninomiya
Naruto Takahashi
Atsushi Shinohara
机构：
[1] Osaka University,Graduate School of Science
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2015年 / 303卷
关键词：
Radioactive iodine; Radioactive cesium; Time variation; Air-mass transportation;
D O I：
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学科分类号：
摘要：
To investigate the time variations of radionuclides discharged from the Fukushima Daiichi nuclear power plants accident, we started collecting aerosol samples in Osaka, Japan, using a high-volume sampler from March 15 to May 1, 2011. Atmospheric radioactivity concentrations of I-131, Cs-134 and Cs-137 were measured with germanium semi-conductor detectors. Only I-131 was detected in the early phase and two Cs-134.137 peaks were found in Osaka in April. Using the HYSPLIT model, we concluded that direct transportation of the air mass from the Fukushima area was responsible for such events.
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页码：1527 / 1531
页数：4
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