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Geothermal Water Quality Assessment Based on Entropy Weighted TOPSIS Method in Xi'an, China

机译：基于熵加权Topsis方法的地热水质量评估

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摘要

Reasonable and objective geothermal water quality assessment can provide a scientific basis for the development and utilization of geothermal water resources. Based on the chemical data of the Quaternary sediment reservoir (Q) and the Lantian-Bahe Group (LB) in Xi'an, the entropy weighted TOPSIS method was used to evaluate the water quality of geothermal water. The results show that the chemical indices (except for TH) of the LB geothermal water exceed the standard with poor quality. For the geothermal water of the Q, only NH_4~+ and F~- exceed the standard. The excessive NH_4~+ and F~- are due to human activities and the dissolution of fluoride bearing minerals, respectively. Comprehensive assessment based on TOPSIS evaluation model also reveals the geothermal water quality of the Q is better than that of the LB. Besides, the entropy weighted TOPSIS method has good applicability in the quality assessment of geothermal water.
机译：合理和客观的地热水质量评估可以为地热水资源的开发和利用提供科学依据。基于季泥浆储层的化学数据（Q）和西安的灯光 - BAHE组（LB），熵加权TOPSIS方法用于评估地热水的水质。结果表明，LB地热水的化学指标（TH除外）超过质量差的标准。对于Q的地热水，只有NH_4〜+和F〜 - 超过标准。过量的NH_4〜+和f〜 - 是由于人类活动和氟化物轴承矿物的溶解。基于TOPSIS评估模型的综合评估还揭示了Q的地热水质量优于LB的水质。此外，熵加权Topsis方法在地热水质量评估方面具有良好的适用性。

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