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APPLICATION OF REMOTE SENSING AND GEOGRAPHIC INFORMATION SYSTEM TO ENVIRONMENTAL COMPRE- HENSIVE EVALUATION IN SHENFU—DONGSHENG AREA |
Lu Zhongzheng, Tan Kelong, Lei Jiannian, Gao Huijun |
Remote Sensing Application Institute of ARSC, Xi'an 710054 |
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Abstract This paper introduces the application of RSand GISto Environmental comprehensive evaluation in Shenfu—Dongsheng area. Using RSas basic information source, considering the environmental characteristics of this area, the environment comprehensive evaluation system is established. The system includes ten data layers such as environmental pressure burden, environmental problems and environmental potentialities. Incorporating expert knowledge administrative level analyses are used for all element weight defining and sequence arrangement. Taking GISas technological support, spatial and temporal change analyses of each topic are carried out. Comprehensive evaluation models of environment are established. Environmental qualities of the area are objectively evaluated in detail.
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Keywords
Land use change
Ecological risk
Spatial statistics
GIS
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Issue Date: 02 August 2011
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