Distribution and risk assessment of radionuclides released by Fukushima nuclear accident at the northwest Pacific

被引：40

作者：

Yu, Wen ^{[1
]}

He, Jianhua ^{[1
]}

Lin, Wuhui ^{[1
]}

Li, Yiliang ^{[1
]}

Men, Wu ^{[1
]}

Wang, Fenfen ^{[1
]}

Huang, Jiang ^{[1
]}

机构：

[1] State Ocean Adm, Inst Oceanog 3, Xiamen 361005, Peoples R China

来源：

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY | 2015年 / 142卷

关键词：

Marine radioactivity; Radiological risk assessment; Squid; Fukushima Dai-ichi nuclear power plant accident; OCEANIC DISPERSION; MARINE BIOTA; CS-137; JAPAN; SEAWATER; TRACKING; SR-90;

D O I：

10.1016/j.jenvrad.2015.01.005

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In order to understand the impact of Fukushima Nuclear Accident (FNA) on the marine environment, seawater and a composite squid (Ommastrephe bartrami) sample were collected on the monitoring cruise XT01 during June 16 July 4, 2011. The concentration levels of Cesium-134, Cesium-137, Strontium-90, Silver-110m, Cobalt-58 and Cobalt-60 were measured both for the seawater and squid samples. The elevated activity levels of Cesium-134 and Cesium-137 were found in the sampling area. Cesium-134 and Silver-110m, which were usually undetectable before FNA, were also found in the squid sample, with the activity levels of 1.65 +/- 0.13 Bq/kg-wet and 0.07 +/- 0.01 Bq/kg-wet, respectively. The radiological assessment result showed that the radioactive release from the FNA would not have a significant adverse effect on marine biota at the population level. (C) 2015 The Authors. Published by Elsevier Ltd.

引用

页码：54 / 61

页数：8

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