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Geothermal resource potential assessment utilizing GIS - based multi criteria decision analysis method
Geothermics ( IF 3.9 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.geothermics.2020.101969 Fanao Meng , Xiujuan Liang , Changlai Xiao , Ge Wang
Geothermics ( IF 3.9 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.geothermics.2020.101969 Fanao Meng , Xiujuan Liang , Changlai Xiao , Ge Wang
Abstract The accurate determination of potential geothermal resource locations is of great significance for efficient exploration and development. We identified five contributing criteria relevant to geothermal resources in northeastern China’s Changbai Mountain region include shallow ground temperature, fault lines, hot springs location, basalt distribution, and isogravity lines. These criteria were used to generate five grid maps: temperature distribution, distance to fault lines, distance to hot springs, distance to basalts, and distance to grabens. After mapping each criterion, the weights of each were determined using an analytic hierarchy process and entropy weight method, and the geothermal potential area was generated using geographic information system - based multi-criteria decision analysis method. The map of the geothermal favorable area was divided into six grades. One geothermal well is located at the junction of the extremely high favorable area and very high favorable area; the other two geothermal wells are located in the very high favorable area. These three geothermal wells are helpful in verifying the correctness of the results.
更新日期：2021-01-01
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