节点文献
基于RS和GIS的延安市生态环境质量动态监测
The Dynamic Monitoring of Ecological Environment Quality in Yan’an City on RS and GIS
【Author】 Zhuo Jing Deng Fengdong He Huijuan Shaanxi Remote Sensing Information Center for Agriculture,Xi’an 710014,China
【机构】 陕西省农业遥感信息中心;
【摘要】 采用RS、GIS技术,结合层次分析法,建立生态环境综合评价模型。利用该模型对延安市1997年、2004年的生态环境进行综合评价,根据评价结果将生态环境质量分为5级,结果表明:1997-2004年延安市生态环境质量明显改善;延安市生态环境质量由南向北逐渐变差;北部地区生态环境综合指数增长率高于南部地区;
【Abstract】 The technology of RS and GIS are combined with AHP to construct the model of the integrated assessment of ecological environmental quality.The synthetic assessment results of Yan’an city using the model,and classified to five grades by the eco-environment quality.The result show,from 1997 to 2004, the ecological environment quality in Yan’an was obviously improved and decreases from south to north, and the growth rate of the eco-environment quality index of the north of Yan’an was higher than the south region.
【Key words】 RS/GIS; Yan’an; ecological environment quality; dynamic monitoring;
- 【会议录名称】 全国农业遥感技术研讨会论文集
- 【会议名称】全国农业遥感技术研讨会
- 【会议时间】2009-08-29
- 【会议地点】中国青海西宁
- 【分类号】X826
- 【主办单位】中国农业科技推广协会