A model intercomparison of atmospheric 137Cs concentrations from the Fukushima Daiichi Nuclear Power Plant accident, phase III: Simulation with an identical source term and meteorological field at 1-km resolution
A model intercomparison of atmospheric 137Cs concentrations from the Fukushima Daiichi Nuclear Power Plant accident, phase III: Simulation with an identical source term and meteorological field at 1-km resolution
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福岛第一核电站事故第三阶段大气 137Cs 浓度的模型比对:使用相同源项和 1 公里分辨率气象场进行模拟
DOI:
10.1016/j.aeaoa.2020.100086
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发表时间:
2020-10
影响因子:
--
通讯作者:
Hiromi Yamazawa
中科院分区:
文献类型:
--
作者:
Yousuke Sato;Tsuyoshi Thomas Sekiyama;Sheng Fang;Mizuo Kajino;Arnaud Quérel;Denis Quélo;Hiroaki Kondo;Hiroaki Terada;Masanao Kadowaki;Masayuki Takigawa;Yu Morino;Junya Uchida;Daisuke Goto;Hiromi Yamazawa
The third model intercomparison project (MIP) for investigating the atmospheric behavior of atmospheric caesium-137 (137Cs) emitted from Fukushima Daiichi Nuclear Power Plant (FDNPP) (3rd FDNPP-MIP), Japan, in March 2011, was conducted. A finer horizontal grid spacing (1 km) was used than in the previous FDNPP-MIP (2nd FDNPP-MIP, Sato et al., 2018; 3 km) to evaluate the models’ performance for high-concentration events measured near FDNPP. Nine of the models used in the 2nd FDNPP-MIP were also used in the 3rd FDNPP-MIP, and all models used identical source terms and meteorological fields. The performance of the models was evaluated through a comparison with observational data. Our analyses indicated that most of the observed high atmospheric137Cs concentrations (plumes) were reasonably well simulated by the models, and the good performance of some models improved the performance of the multimodel, highlighting the advantage of using a multimodel ensemble. The analyses also confirmed that the use of a finer grid resolution resulted in the meteorological field near FDNPP being better reproduced in the 3rd FDNPP-MIP, and the performance of the models was better than that of the 2nd FDNPP MIP. The good representation of the wind field resulted in the reasonable simulation of the narrow distribution of high deposition amount to the northwest of FDNPP and the reduction of the overestimation in deposition amount over the area to the south of FDNPP compared to the 2nd FDNPP MIP. In contrast, the performance of the models in simulating plumes observed over the Nakadori area, the northern part of Gunma, and the Tokyo Metropolitan Area (TMA) was slightly worse than in the 2nd FDNPP-MIP.
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影响因子:
5
作者:
Wang Zilin;Huang Xin;Ding Aijun
通讯作者:
Ding Aijun
影响因子:
2.3
作者:
Katata, Genki;Ota, Masakazu;Nagai, Haruyasu
通讯作者:
Nagai, Haruyasu
影响因子:
3.2
作者:
Ackerman, Andrew S.;vanZanten, Margreet C.;Zulauf, Mike
通讯作者:
Zulauf, Mike
影响因子:
3.1
作者:
T. Sekiyama;Masaru Kunii;M. Kajino;T. Shimbori
通讯作者:
T. Sekiyama;Masaru Kunii;M. Kajino;T. Shimbori
DOI:
10.1029/2018jd029144
发表时间:
2018-10
期刊:
Journal of Geophysical Research: Atmospheres
影响因子:
--
作者:
Yousuke Sato;M. Takigawa;T. Sekiyama;M. Kajino;H. Terada;H. Nagai;H. Kondo;J. Uchida;D. Goto;D. Quélo;A. Mathieu;A. Quérel;Sheng Fang;Y. Morino;Pontus von Schoenberg;Håkan Grahn;N. Brännström;S. Hirao;H. Tsuruta;H. Yamazawa;T. Nakajima
通讯作者:
Yousuke Sato;M. Takigawa;T. Sekiyama;M. Kajino;H. Terada;H. Nagai;H. Kondo;J. Uchida;D. Goto;D. Quélo;A. Mathieu;A. Quérel;Sheng Fang;Y. Morino;Pontus von Schoenberg;Håkan Grahn;N. Brännström;S. Hirao;H. Tsuruta;H. Yamazawa;T. Nakajima