基于GIS的生态环境影响评价建模方法初探.pdfVIP

28 3 四 川 环 境 V ol28, N o3 2009 6 S ICHUA N ENV IRONM ENT June 2009 G IS 1, 2 3 1 贾德峰 , 张翠萍 , 方 佳 ( 1, 57 17 37; 2 , 570228; 3, 570000) : 分析了生态环境影响评价指标体系的建立方法, 并在 基础上, 探讨了以 A rc / Info 为平台, 使用矢量数据建立 生态环境影响评价模型的方法, 并与使用栅格数据的评价模型进行了对比分析, 得出使用矢量数据的评价模型具有运 算结果精确度高修改方便效率高操作过程简单等优点 : G IS; ; ; : X 826 : A ; 1001-3644( 2009) 0 3-0058-0 3 P relim inary S tudy on M odeling M ethod of E cological E nvironm ent Im pact A ssessm en t Based on GIS 1, 2 3 1 JIA De-feng , ZHANG Cui-ping , FANG J ia ( 1Institu te of Scientfi ic Technical Inf ormation, ChineseA cademy of Trop icalA gricultural S ciences, D anzhou, H ainan 57 1737, China; 2College of En ironm ent P lants P rotection, H ainan Uni ersity, D anzhou, H ainan 57022 8, China; 3Institute of En ironm ental Science of H ainan p ro ince, H aikou 570000, China ) Ab stract: T h is pape r d iscu ssed the establishm ent of me thod fo r the index system o f eco log ical env ironm en t mi pac t assessm ent Then it stud ied the m ethods o f building eco log ica l env ironm en t mi pact assessm ent m ode l u sing vector da ta, w ith A rc / Info as p la tform Contrastive ana lys is w as conducted be wt een th is model and that o f raster-based m ode l It concluded that the vecto r- based m ode l show ed mo re advantag es such as high accuracy, conven ience fo r mod ification, high effic iency, s mi p le operation etc K eyw ord s: G IS; ec