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Spatial analysis and evaluation of a coal deposit by coupling AHP & GIS techniques

International Journal of Mining Science and Technology 2019年第6期29卷 943-953页

作者： nikolaos paraskevis Christos Roumpos nikolaos Stathopoulos Aikaterini Adam Department of Mining Engineering Public Power Corporation of GreeceAthens 10432Greece School of Mining and Metallurgical Engineering National Technical University of AthensAthens 15780Greece

Nowadays,the evaluation of coal deposits becomes crucial,due to many uncontrollable factors,which affect the energy sector.A comparative evaluation of coal deposits is essential for their hierarchical classification regarding their sustainable exploitation,when compared to other coal deposits or competitive fuels,which may be used as alternative solutions for electricity *** this paper,a method for spatial analysis and evaluation of a lignite deposit is proposed,by creating four spatial key indicators via GIS analysis,which are then aggregated by applying a weighted linear *** analytical hierarchy process is applied to estimate the relative weights of the indicators,in order to perform a weighted cartographic *** the synthesis of the indicators,an overall,total spatial quality indicator is *** weighted analysis was shown to be more effective compared to the unweighted one,because it can provide more reliable results regarding the exploitation of the examined lignite *** implementation of GIS-based analytical hierarchy process in spatial analysis and evaluation of lignite deposits,in terms of sustainable exploitation,demonstrates that this method can be extensively applied for evaluating the economic potential of mineral deposits.

关键词： Lignite/coal deposit Spatial analysis Evaluation Cartographic overlay Analytical hierarchy process Geographic information systems Weighted linear combination(WLC) Weighted spatial quality indicator(WSQI)

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