基于GIS栅格数据的空间模糊综合评判方法与实践  

Spatial Fuzzy Comprehensive Assessment Based on GIS and Its Application

作　　者：王霖琳[1] 胡振琪[2] 

机构地区：[1]首都经济贸易大学城市学院,北京100070 [2]中国矿业大学(北京)土地复垦与生态重建研究所,北京100083

出　　处：《地理与地理信息科学》2009年第4期38-41,共4页Geography and Geo-Information Science

基　　金：北京市科技计划项目(D0605046040191-101);首都经济贸易大学校级科研项目(2009XJ005)

摘　　要：针对模糊综合评判多集中于对区域整体的综合评判的局限,提出了基于GIS的空间模糊综合评判方法。介绍了该方法的关键内容——隶属层的形成过程以及基于栅格数据的综合运算方法,并将该方法应用于门头沟煤矿区生态环境综合评价。The whole study area is usually taken as evaluating unit in the fuzzy comprehensive assessment method. In this paper, a method of spatial fuzzy comprehensive assessment based on GIS is put forward,and is used in ecological damage assessment for coal mine areas. For spatial fuzzy comprehensive assessment method,the ＂fuzzy membership coverage＂ is the most important factor. By fuzzy membership coverage, the fuzzy value of one unit can be spread to the whole study area~ the calculation of fuzzy value can be transferred to calculation of grid. The process to get fuzzy membership coverage and its comprehensive calculation process is introduced. By this method,a case study of ecological damage assessment for coal mine areas in Mentougou District of Beijing City is presented.

关 键 词：空间模糊综合评判 GIS 栅格数据 

分 类 号：X171.4[环境科学与工程—环境科学] P208[天文地球—地图制图学与地理信息工程]