globalchange  > 过去全球变化的重建
DOI: 10.1016/j.marpolbul.2018.04.042
Scopus记录号: 2-s2.0-85045759795
论文题名:
Radioactive cesium concentrations in coastal suspended matter after the Fukushima nuclear accident
作者: Kubo A.; Tanabe K.; Suzuki G.; Ito Y.; Ishimaru T.; Kasamatsu-Takasawa N.; Tsumune D.; Mizuno T.; Watanabe Y.W.; Arakawa H.; Kanda J.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2018
卷: 131
起始页码: 341
结束页码: 346
语种: 英语
英文关键词: Autoradiography ; Estuary ; Fukushima ; Radioactive cesium ; Suspended matter
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science ; Earth and Planetary Sciences: Oceanography ; Environmental Science: Pollution
英文摘要: Radioactive cesium concentrations in the suspended matter of the coastal waters around the Fukushima Daiichi Nuclear Power Plant (FDNPP) were investigated between January 2014 and August 2015. The concentrations of radioactive cesium in the suspended matter were two orders higher in magnitude than those determined in the sediment. In addition, we discovered highly radioactive Cs particles in the suspended matter using autoradiography. The geometrical average radioactivity of particles was estimated to be 0.6 Bq at maximum and 0.2 Bq on average. The contribution ratio of highly radioactive Cs particles to each sample ranged from 13 to 54%, and was 36% on average. A major part of the radioactive Cs concentration in the suspended matter around the FDNPP was strongly influenced by the highly radioactive particles. The subsequent resuspension of highly radioactive Cs particles has been suggested as a possible reason for the delay in radioactive Cs depuration from benthic biota. © 2018 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/88263
Appears in Collections:过去全球变化的重建
全球变化的国际研究计划

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作者单位: Department of Ocean Sciences, Tokyo University of Marine Science and Technology, Tokyo, Japan; Department of Geosciences, Shizuoka University, Shizuoka, Japan; Faculty of Bioenvironmental Science, Kyoto Gakuen University, Kyoto, Japan; Environmental Science Research Laboratory, Central Research Institute of Electric Power Industry, Chiba, Japan; Fukushima Prefectural Fisheries Experimental Station, Fukushima, Japan; Faculty of Environmental Earth Science, Hokkaido University, Sapporo, Japan

Recommended Citation:
Kubo A.,Tanabe K.,Suzuki G.,et al. Radioactive cesium concentrations in coastal suspended matter after the Fukushima nuclear accident[J]. Marine Pollution Bulletin,2018-01-01,131
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