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《Urban Planning Forum》 2005-06
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A PRACTICE ON THE MODERN URBAN PLANNING CONCEPT AND METHOD: MODELING ANALYSIS OF THE ATMOSPHERIC ENVIRON-MENT IMPACTS IN FOSHAN TOWN PLANNING

WANG Guangtao, WANG Xiaoyun, MIAO Shiguang, YU Yong, JIANG Weimei, CHEN Xianyan  
Based on urban planning theory of sustainable development of atmospheric environment, using numerical simulation technology of atmospheric environment, the environmental effects of different projections are assessed supplying timely layout adjustment and decision-making. According to the idea, "Foshan Town Plan (2003-2020)" is accomplished paying attention to the harmonious developing between urban development and environmental protection. A series of measurements, e. g. adjusting the town spatial hierarchical structure and industrial structure, intensifying greening et al., change the underlying surface through the change of town pattern, and further impact meteorological environment. From the assessment, some improvements on atmospheric environment can be seen. Numerical simulations of the atmospheric environment impacts of 1990, 2002 (current) and 2020 (planning) show that under the same meteorological and pollutant emission conditions, the atmospheric environment in downtown area will be improved along with the implementing of the planning. Under the weather condition which is not conducive to diffusion, compared with the current situation the intensity of day-average urban heat island (UHI) of 2020 will decrease 2oC, the impact area of UHI will reduce one-third, the weak-wind area will shrink 5%, the pollutant concentration in most area will decrease distinctly, and the diffusion capability will increase 50%. Under the weather condition which is conducive to diffusion, the improvement of atmospheric environment is clearer.
【Fund】: 国家自然科学基金(编号:40333027);; 北京市自然科学基金(编号:8051002;; )中国农村技术开发中心科技攻关计划“可持续发展的城市规划中大气环境支撑技术研究”
【CateGory Index】: TU981
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