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Comprehensive assessment method for environmental impact of railway based on geographic information system

Wu, XP; Chen, XF; Ma, CQ; Yang, XY; Ran, MP; Meng, XD; (2004) Comprehensive assessment method for environmental impact of railway based on geographic information system. J CENT SOUTH UNIV T , 11 (3) 340 - 342.

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Abstract

By integrating the merits of the map overlay method and the geographic information system (GIS), a GIS based map overlay method was developed to analyze comprehensively the environmental vulnerability around railway and its impact on the environment, which is adapted for the comprehensive assessment of railway environmental impact and the optimization of railway alignments. The assessment process of the GIS based map overlay method was presented, which includes deciding the system structure and weights of assessment factors, making environmental vulnerability grade maps, and evaluating the alternative alignments comprehensively to obtain the best one. With the GIS functions of spatial analysis, such as overlay analysis and buffer analysis, and functions of handling attribute data, the GIS based map overlay method overcomes the shortcomings of the existing map overlay method and the conclusion is more reasonable. In the end, a detailed case study was illustrated to verify the efficiency of the method.

Type: Article
Title: Comprehensive assessment method for environmental impact of railway based on geographic information system
Keywords: railway planning, environmental impact assessment, geographic information system, graph overlay method
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: http://discovery.ucl.ac.uk/id/eprint/1317190
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