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A Multi-Scale Urban Atmospheric Dispersion Model for Emergency Management

A Multi-Scale Urban Atmospheric Dispersion Model for Emergency Management

作     者:MIAO Yucong LIU Shuhua ZHENG Hui ZHENG Yijia CHEN Bicheng WANG Shu 

作者机构:Department of Atmospheric and Oceanic Sciences School of Physics Peking University Department of Meteorology The Pennsylvania State University University Park Pennsylvania 16802 USA 

出 版 物:《Advances in Atmospheric Sciences》 (大气科学进展(英文版))

年 卷 期:2014年第31卷第6期

页      面:1353-1365页

核心收录:

学科分类:07[理学] 070601[理学-气象学] 0706[理学-大气科学] 

基  金:supported by the Public Welfare Special Fund Program (Meteorology) of the Chinese Ministry of Finance (Grant No.GYHY201106033) 

主  题:WRF model OpenFOAM AEGLs multi-scale simulation 

摘      要:To assist emergency management planning and prevention in case of hazardous chemical release into the atmosphere,especially in densely built-up regions with large populations,a multi-scale urban atmospheric dispersion model was *** numerical dispersion experiments,at horizontal resolutions of 10 m,50 m and 3000 m,were performed to estimate the adverse effects of toxic chemical release in densely built-up *** multi-scale atmospheric dispersion model is composed of the Weather Forecasting and Research (WRF) model,the Open Source Field Operation and Manipulation software package,and a Lagrangian dispersion *** of the adverse health effects of these chemical release events are given by referring to the *** Protection Agency's Acute Exposure Guideline *** wind fields of the urban-scale case,with 3 km horizontal resolution,were simulated by the Beijing Rapid Update Cycle system,which were utilized by the WRF *** sub-domain-scale cases took advantage of the computational fluid dynamics method to explicitly consider the effects of *** was found that the multi-scale atmospheric dispersion model is capable of simulating the flow pattern and concentration distribution on different scales,ranging from several meters to kilometers,and can therefore be used to improve the planning of prevention and response programs.

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