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历次核试验进入海洋的137Cs对中国近海影响的模拟研究

赵昌 乔方利 王关锁 舒启 夏长水

赵昌, 乔方利, 王关锁, 舒启, 夏长水. 历次核试验进入海洋的137Cs对中国近海影响的模拟研究[J]. 海洋学报, 2015, 37(3): 15-24. doi: 10.3969/j.issn.0253-4193.2015.03.002
引用本文: 赵昌, 乔方利, 王关锁, 舒启, 夏长水. 历次核试验进入海洋的137Cs对中国近海影响的模拟研究[J]. 海洋学报, 2015, 37(3): 15-24. doi: 10.3969/j.issn.0253-4193.2015.03.002
Zhao Chang, Qiao Fangli, Wang Guansuo, Shu Qi, Xia Changshui. Simulation of the influence of 137Cs from nuclear experiments on China seas[J]. Haiyang Xuebao, 2015, 37(3): 15-24. doi: 10.3969/j.issn.0253-4193.2015.03.002
Citation: Zhao Chang, Qiao Fangli, Wang Guansuo, Shu Qi, Xia Changshui. Simulation of the influence of 137Cs from nuclear experiments on China seas[J]. Haiyang Xuebao, 2015, 37(3): 15-24. doi: 10.3969/j.issn.0253-4193.2015.03.002

历次核试验进入海洋的137Cs对中国近海影响的模拟研究

doi: 10.3969/j.issn.0253-4193.2015.03.002
基金项目: 海洋公益性行业科研专项(201105019);中韩海洋核安全监测及预测系统研究项目。

Simulation of the influence of 137Cs from nuclear experiments on China seas

  • 摘要: 1945年以来,世界各主要核国家进行了数千次核试验,这些核试验产生的绝大部分放射性物质通过多种途径进入海洋,对海洋环境造成放射性污染。本文建立了一个准全球海洋的放射性物质输运和扩散数值模式,通过数值模拟手段评估了历史核试验释放的放射性物质137Cs对中国近海海洋环境的影响。本文借助前人工作评估了核试验释放137Cs进入海洋的途径和总量;通过比较模拟结果与观测资料,表明本文建立的放射性物质模式能够较好地模拟出137Cs在中国近海及其邻近海域的分布情况和随时间演变特征;模拟结果表明中国近海里的137Cs浓度在20世纪50年代中期达到最大,其中吕宋海峡海域137Cs浓度最高,达80.99 Bq/m3;进一步分析了2011年3月份日本福岛核事故前中国近海137Cs浓度分布状况,2011年整个中国近海137Cs浓度介于1.0~1.6 Bq/m3间,且其浓度垂向分布较均匀,相对封闭的南海浓度略高于其他海域。
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  • 收稿日期:  2014-01-14

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