Nuclear_Pollution_in_the_East_China_Sea_from_the_F.pdf

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Chapter 6 Nuclear Pollution in the East China Sea from the Fukushima Disaster X. San Liang and Yineng Rong Additional information is available at the end of the chapter Provisional chapter Fukushima Disaster X. San Liang and Yineng Rong Additional information is available at the end of the chapter Abstract Nuclear pollution has become a new form and perhaps more harmful type of pollution that obsesses coastal regions; it has been of increasing concern after the disastrous Fukushima nuclear leak on March 11, 2011. In order to assess the impact of the Fukushima accident on the East China Sea (ECS), a highly resolved model is set up to simulate the evolution of the 137 Cs concentration. Different from previous studies in this regard, here we take into account the radionuclides originally existing in the ocean. It is found that the radionuclides from the Fukushima leak do have reached ECS, though with a concentra- tion far below the harmful level. The major waterways that inlet the radionuclides are Taiwan Strait and the waterway east of Taiwan. The radioactive material tends to accu- mulate in the ECS until reaching its peak in 2019; afterward, the outflux through Tokara Strait and Tsushima exceeds the influx through the two southern waterways, and the material resumes in 2021 to its original state. The concentration is neither homogeneously nor stationarily distributed; for example, usually in summer, there is a high center over the Subei Bank in the Yellow Sea. This study is expected, should a similar accident happen again, to help decide where to monitor the ocean, and, hopefully, how to get the pollution under control. Keywords: Yellow Sea, East China Sea, Fukushima nuclear leak, nested ocean modeling 1. Introduction The coastal seas are the most severely polluted waters in the world ocean. As shown in the preceding chapter, runoff from urban areas and agricultural fields, plus the deposition from © 2016 The Author(s). Licensee InTech. This chapter is distributed under the terms of the Creative Commons Attribution License (), which permits unrestricted use, distribution, and eproduction in any medium, provided the original work is properly cited. DOI: 10.5772/intechopen.80016 © 2018 The Author(s). Licensee IntechOpen. Distributed under the terms of the Creative Commons Attribution- NonCommercial 4.0 License (), which permits use, distribution and reproduction for non-commercial purposes, provided the original is properly cited.
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the atmosphere, may lead to harmful algal bloom and the formation of dead zone due to hypoxia and eutrophication. In recent years, a new type of coastal pollution has been of great concern, that is, the nuclear pollution due to nuclear power plant failure.
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  • Summer '17
  • idk
  • Pacific Ocean, Chernobyl disaster, East China Sea

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