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首页> 外文会议>Asian conference on remote sensingACRS >Radioactive Pollution of Fukushima Daiichi Nuclear Power Plant
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Radioactive Pollution of Fukushima Daiichi Nuclear Power Plant

机译：福岛Daiichi核电站的放射性污染

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摘要

Before reoperations of Sendai nuclear power plant, radioactive pollution simulation is depending on SPEEDI. However, in the case of Fukushima nuclear power plant accident, the information disclosure delayed with SPEEDI, and the neighborhood felt fear. Radioactive pollution of Fukushima Daiichi nuclear power plant was analyzed by the simulation in the citizen level for the safety of neighborhood. In this paper, using two methods (particle model and atmospheric diffusion model), Fukushima Daiichi nuclear powerplant accidents were analyzed. Next are the results. Using the particle model, the mountains stretch north to south at altitude 700m from Fukushima nuclearpower plant to Fukushima City. The particles over 0.05mm were blocked on the mountain and slopes, then did not approach Fukushima City. On the otherhand, Fukushima nuclear power plant pollutions approached Iidate village. Using atmospheric diffusion model, a pollution range and a dose of radioactivity fitted considerably almost observation values. The real pollution was derived mostly by the atmospheric diffusion. Mountains around 700m in height are adjacent in the outskirts where pollution spreads and the pollution was limited in a range surrounded by the mountains. The mixture layer height in the atmospheric diffusion model becomes 600m. By classification of the pollution, Fukushima nuclear power plant pollutions concentrated on March 12 to 31, the most pollutions were classified to six parts. The ratio of hydrogen explosions was only 25.4% in total, and the rest was 74.6% with leaks. The ratio of radioisotope for Iidate village with high pollution became 18.5%.
机译：在仙台核电站重新进展之前，放射性污染模拟取决于Speedi。然而，在福岛核电站事故的情况下，信息披露延迟了Speedi，邻里感觉到恐惧。通过邻近安全的公民水平的模拟分析了福岛帝茶核电站的放射性污染。本文采用两种方法（粒子模型和大气扩散模型），分析了福岛达核动力预防事故。接下来是结果。使用粒子模型，从福岛核电站到福岛市的福岛核电站，山脉北向南伸展到南部。在山上和斜坡上堵塞了超过0.05mm的颗粒，然后没有接近福岛市。另一方面，福岛核电厂污染接近艾耶特村。使用大气扩散模型，污染范围和一剂放射性拟合了几乎观察值。真正的污染主要是由大气扩散的。山脉约700米的高度毗邻郊区，污染蔓延和污染在山区包围的范围内有限。大气扩散模型中的混合层高度变为600米。通过污染分类，福岛核电厂污染集中于3月12日至31日，最多的污染归类为六个部分。氢爆炸的比例总共仅为25.4％，其余的泄漏为74.6％。高污染的碘村放射性同位素的比例变为18.5％。

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