New Mine Geological Environment Impact Assessment Method |
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Authors: | LIU Chang-Rong HUANG Shuang-Bing ZHANG Li-Zhong |
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Institution: | 1The Institute of Hydrogeology and Environmental Geology, CAGS, Hebei 050061, China |
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Abstract: | Building an assessment framework and corresponding index system applicable to geological environment impact assessment (GEIM) for new mines contributes to supervision and protection of the geological environment of mines. Taking GEIM of a limestone mine to be built in Chongzhou as a case, this study, by making use of analytic hierarchy process and subsequent transformation from qualitative to quantitative variables, established the quantitative assessment and the zoning assessment system in terms of the following four aspects, namely geological environment of the mine, geological disaster risks, the influence of mining on groundwater environment, and its impact on land and landscape resources. The current study employed multi-objective linear weighting function to form mathematical model and then worked out environmental quality scores and the zonations, which were expected to reflect the characteristics of the geological environment of the mine. Besides, the assessment results were analyzed so as to provide important reference for predictions on possible environmental impact brought by the mine and for comprehensive treatment of the geological environment |
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Keywords: | Environmental impact assessment A new mine Analytic Hierarchy Process The multi-objective linear weighting function method |
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