Application of improved fuzzy comprehensive evaluation method in karst groundwater quality evaluation: a case study of Cengong county

Groundwater quality is affected by various indexes, and the influence of each index on groundwater quality is fuzzy. Therefore, adopting a reasonable evaluation method can make the groundwater quality evaluation more accurate. Although fuzzy comprehensive evaluation method has great advantages in an...

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Veröffentlicht in:Earth science informatics 2021-06, Vol.14 (2), p.1101-1109
Hauptverfasser: Zhang, Wenping, Li, Bo, Liu, Zijie, Zhang, Beibei
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creator Zhang, Wenping
Li, Bo
Liu, Zijie
Zhang, Beibei
description Groundwater quality is affected by various indexes, and the influence of each index on groundwater quality is fuzzy. Therefore, adopting a reasonable evaluation method can make the groundwater quality evaluation more accurate. Although fuzzy comprehensive evaluation method has great advantages in analyzing fuzzy problems, it has shortcomings in solving problems like weight calculation. The fuzzy comprehensive evaluation method was improved by combining with the entropy weight method in this study. On basis of this, a groundwater quality evaluation model was established. At the same time, by taking the groundwater aquifer of Cambrian Gaotai formation in Cengong County, Guizhou Province as a research object and based on the water quality monitoring data of 14 boreholes there, the model was adopted to evaluate the water quality of the aquifer by combining with GIS technology. The results demonstrated the feasibility and superiority of the improved fuzzy comprehensive theory in groundwater quality evaluation.
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source Springer Nature - Complete Springer Journals
subjects Aquifers
Boreholes
Cambrian
Earth and Environmental Science
Earth Sciences
Earth System Sciences
Entropy
Environmental monitoring
Evaluation
Groundwater
Groundwater quality
Information Systems Applications (incl.Internet)
Karst
Ontology
Problem solving
Quality assessment
Research Article
Simulation and Modeling
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Water monitoring
Water quality
Water quality management
Water quality monitoring
title Application of improved fuzzy comprehensive evaluation method in karst groundwater quality evaluation: a case study of Cengong county
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