基于GIS的点源污染扩散模拟可视化研究.pdfVIP

32 10 Vol32 N o10 2007 10 ENV IRONMENTAL SCIENCE AND MANAGEMENT Oct. 2007 : 1673- 1212( 2007) 10- 0175- 04 G IS 1 1 1, 2 李宏伟 , 张世全, 孙庆珍 ( 1. , 450052; 2. , 450051) : 环境是人类赖以生存和发展的基本条件, 环境污染问题已 成为威胁人类生存的头号问题之一大 气环境污染直接危及到人类的生命和健康, 对自然环境造成严重影响本文以某工厂烟窗点源有害污染气 体 SO 和 NO 排放为例, 获取了污染物实地扩散浓度观测值, 基于 G IS技术和大气点源扩散高斯模型, 研究 2 2 SO 和 NO 在特定大气条件下的扩散规律, 实现了有害气体扩散的可视化表达, 为自然环境影响评价探索新 2 2 途径和新方法 : SO ; NO ; 高斯模型; G IS; 可视化 2 2 : X 823 : B Re earch on V i ualization of Point- Pollution Source D iffu ene S im ulation 1 1 1, 2 L iH ongw ei, Zhang Sh iquan , Sun Q ingzhen ( 1. In titute of Surveying and M app ing, Information and Engineering Un iver ity, Zhengzhou 450052, Ch ina; 2. In titute of aerial managemen,t Zhengzhou 450051, Ch ina) Abstract: Environment i a ba ic cond ition that human being live. Environment pollution ha been 0ne of the eriou prob lem affect hum an be ing liv ing. A ir- pollution endanger the health and life of human being more d irectly and natural environment more eriou ly. The paper g ive a po int- ource po llu tion examp le of deleteriou ga SO and NO lu iced by a moke tack in a 2 2 factory, collect ob ervation concentration of SO and NO , ba ed on G IS and gau m ath- mode,l re earche the d iffu ene 2 2 pattern in the pecialw eather- cond ition, realize the v i ualization of deleteriou ga SO and NO d iffu ene , probe a new