• 中文核心期刊
  • 中国科技核心期刊
  • CSCD
  • ISSN 1007-6336
  • CN 21-1168/X
REN Shan, PAN Shao-ming, HAO Yong-pei, XU Yi-hong. Influence factors of 137Cs distribution in surface seawater of East China Seas[J]. Chinese Journal of MARINE ENVIRONMENTAL SCIENCE, 2017, 36(6): 905-910. DOI: 10.13634/j.cnki.mes20170617
Citation: REN Shan, PAN Shao-ming, HAO Yong-pei, XU Yi-hong. Influence factors of 137Cs distribution in surface seawater of East China Seas[J]. Chinese Journal of MARINE ENVIRONMENTAL SCIENCE, 2017, 36(6): 905-910. DOI: 10.13634/j.cnki.mes20170617

Influence factors of 137Cs distribution in surface seawater of East China Seas

More Information
  • Received Date: September 17, 2016
  • Revised Date: April 24, 2017
  • By collecting surface seawater near Shandong Peninsula, then analyze the surface distribution of 137Cs, the data is combined with the East China Seas to explore the factors affecting the distribution of 137Cs. The conclusions are as follows:(1) 137Cs activity in study area ranges from 0.60±0.18 Bq/m3 to 1.21±0.19 Bq/m3, with an average of 0.90±0.17 Bq/m3. And 137Cs activity of near shore is lower than offshore, mainly effected by coastal current; (2) The spatial distribution of 137Cs in East China Seas are influenced by uneven distribution of the atmospheric deposition, coastal flow, river dulite water in seawater. The value of 137Cs decreased sequentially and the Chernobyl accident has less impact on East China Seas; (3) The removal rate of 137Cs in Bohai Sea is 0.046/a, which is higher than the Yellow Sea (0.032/a) or East China Sea (0.027/a), because of more scavenging and stronger horizontal and vertical mixing of water masses.

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