摘要
简述了遥感技术的特点及其在环保领域中的应用,介绍了遥感影像解译的技术流程,并提出以生物丰度指数、植被覆盖指数、水网密度指数、土地退化指数、环境质量指数为基础的生态环境质量评价指标体系和各指数计算方法,并介绍了生态环境状况指数EI的计算、生态环境状况分级及变化幅度分级。
This paper introduces the characteristics of remote sensing technology and its application in the field of environmental protection,details the process of remote sensing image interpretation technology,and proposes eco-environmental quality evaluation system that based on biological abundance index,vegetation index,density index of water,land degradation index and environmental quality index.Finally,it introduces the calculation of eco-environmental quality index,the classification of eco-environment quality and classification of changing rate.
出处
《环保科技》
2011年第2期23-27,共5页
Environmental Protection and Technology
关键词
遥感技术
生态评价体系
技术流程
remote sensing technology
eco-environmental quality evaluation system
process