内容：
为了在核污染事故处理时提供精细化预警,以辽宁省某核电站周边部分重要目标(大衣屯、大周屯、红沿河镇、驼山乡、西杨乡、复大线应急撤离线路)为研究对象,将环境保护指挥自动化系统C4ISRE(Command,Control,Communications,Computer,Intelligence,Surveillance,Reconnaissance,Environmental Impact Assessment)与HYSPLIT 4.9模型相耦合,采用NCEP(美国国家环境预报中心)的FNL全球气象数据对核污染扩散轨迹进行仿真研究.结果表明:自模拟初始时间2014-04-01T00:00:00.00开始,进、出大衣屯边界时间分别为00:06:16.560、00:06:49.000,历时31.340 s;由西向东横穿过大周屯,进、出时间分别为于00:06:16.56到达大衣屯北部边界,于00:06:46.90扩散出大衣屯边界,经过大衣屯区域耗时共计29.00 s;核污染气团于00:15:30.85到达大周屯上空500 m处,由西向东横穿过大周屯,于00:15:46.05离开大周屯上空,过程耗时15.20 s;核污染气团于00:32:14.25经过重要应急撤离线路2(复大线),全程耗时32 min 14.25 s.核污染气团与从2014-04-01T00:00:00.000进入红沿河镇上空500 m区域,于00:24:27.00扩散出,全程历时24 min 27.00 s;进、出驼山乡上空500 m区域的时间分别为00:24:28、00:51:00,历时26 min 32.00 s;进、出西杨乡上空的时间分别为00:51:01、01:05:4.70,历时14 min 37.00 s;重点区域大衣屯和大周屯行政区的预警时间分别为376.56、930.85 s,重点撤离线路2区域预警时间为1 934.25 sIn order to provide a fine warning in the treatment of nuclear pollution accident, the important target of the surrounding part of a nuclear power plant in Liaoning Province (Taiyi Tuen, Da Zhou Tuen, Hongyanhe Town, Camel Township, Xiyang Township, Fujiang Line Emergency evacuation line) is (NISP), and the FNL global meteorological data of NCEP (US National Environmental Forecasting Center) were used to integrate the environmental protection command system C4ISRE (Command, Control, Communications, Computer, Intelligence, Surveillance, Reconnaissance, Environmental Impact Assessment) with HYSPLIT 4.9 model. The simulation results show that the boundary time of the incoming and outgoing Tuying Tuen are 00: 06: 16.560,00: 06: 49.000, which lasts 31.340 from the initial time of the simulation. 2014-04-01T00: 00: 00.00, From 00: 06: 16.56 to the northern border of the coat of clothing, at 00: 06: 46.90 spread out of the coat of clothing boundary, after a large Tuen Tuen area a total of 29.00 The nuclear pollution air mass arrives at 500: 5 above the large Zhoutun from 00: 15: 30.85, from west to east through the large Zhou Tuen, at 00:15:46.05 to leave the big Zhoutun over the process time consuming 15.20 s; nuclear pollution Air group at 00:32:14 .25 after an important emergency evacuation line 2 (complex line), the whole time-consuming 32 min 14.25 s. Nuclear pollution air group and from 2014-04-01T00: 00: 00.000 into the red river along the 500 m area, at 00:24 : 27.00 spread out, the whole lasted 24 min 27.00 s; into and out of the camel hill over 500 m area of ??time were 00: 24: 28: 00: 51: 00, lasted 26 min 32.00 s; The warning time of the area of ??the main area is 376.56,930.85 s, and the early warning time of the key evacuation line 2 is: () () () () () () () () () () () () () () () () () () () () () 1 934.25 s

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