基于ETM+影像的唐山地区生态环境质量评价  

Ecology Environmental Quality Assessment of Tangshan Region Based on ETM+Image

作　　者：张明华[1,2] 谭悦[2] 

机构地区：[1]厦门理工学院空间信息科学与工程系,福建厦门361024 [2]桂林理工大学地球科学学院,广西桂林541004

出　　处：《水土保持研究》2010年第4期104-108,共5页Research of Soil and Water Conservation

基　　金：广西地质工程中心开放基金(桂科能0719011-K004);国家科技支撑计划项目(2007BAH16B01)

摘　　要：以ETM+影像为数据源,在对唐山地区进行土地覆盖分类的基础上,选取生物丰度、植被覆盖度、土壤亮度系数和土壤湿度4个指标,通过主成分分析法定量计算各参评因子的权重系数,用综合指数模型对唐山地区生态环境质量进行评价。从评价结果中生态环境质量与土地覆盖类型的关系来看,控制城镇建设用地的快速扩张、改良滨海盐碱地,加强矿产开发的监管和整治、重视开发后期的生态恢复治理,是改善唐山地区生态环境质量的有效途径。This paper studied the ecology environmental quality based on ETM＋image,classified the land cover types of Tangshan region,chose four indices of biology abundance,percentage of vegetation cover,soil degradation,and soil moisture as indicators,computed weight-coefficient to each factor evaluated with method of principal component analysis,evaluated the ecology environmental quality to Tangshan region with comprehensive index model.On the fact of ecology environmental quality of Tangshan region and relation between land cover type and ecology environmental quality,the effective way to improve the ecology environmental quality of Tangshan region is that overspreading of land use in cities and towns must be controlled,alkaline land on the beach must be improved,mineral resources exploitation should be supervised and regulated,the recovery of ecological environment in mining area should be valued.

关 键 词：唐山市 ETM+影像 生态环境质量 评价 土地覆盖 

分 类 号：X171.1[环境科学与工程—环境科学]