Discriminant analysis of mine water inrush sources with multi-aquifer based on multivariate statistical analysis

Accurate and effective identification of the source mine water inrush water is vital for warning system implementation and post-disaster rescue decision-making and is crucial for mine water disaster prevention plans. To fully excavate the hydrogeological information carried by the water samples of d...

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Veröffentlicht in:Environmental earth sciences 2021-02, Vol.80 (4), Article 144
Hauptverfasser: Bi, Yaoshan, Wu, Jiwen, Zhai, Xiaorong, Wang, Guangtao, Shen, Shuhao, Qing, Xianbin
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Wu, Jiwen
Zhai, Xiaorong
Wang, Guangtao
Shen, Shuhao
Qing, Xianbin
description Accurate and effective identification of the source mine water inrush water is vital for warning system implementation and post-disaster rescue decision-making and is crucial for mine water disaster prevention plans. To fully excavate the hydrogeological information carried by the water samples of different water sources, and fully consider the influence of the correlation between the ions and the existence of multi-collinearity on the discrimination results, so as to improve the accuracy of the inrush water source discrimination, this study conducted multivariate statistical analysis and discriminant analysis on 37 water samples of three types of water sources in Xutuan coal mine, and established the Fisher discriminant model for mine water inrush sources based on fuzzy cluster analysis and factor analysis. The discriminant accuracy of the model was tested using re-substitution and cross-validation, and compared with the discriminant result of traditional Fisher discriminant model. The results showed that the discriminant accuracies of the re-substitution and cross-validation were 91.9% and 89.2%, respectively, while the discrimination accuracy of cross-validation of the traditional Fisher discrimination model was 86.5%. The discrimination accuracy of this model was higher than that of the traditional Fisher discrimination model. Therefore, the Fisher discriminant model for mine water inrush sources based on fuzzy cluster analysis and factor analysis established in this study can improve the accuracy of a water source discrimination model, and can provide a useful reference for mine water disaster prevention.
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To fully excavate the hydrogeological information carried by the water samples of different water sources, and fully consider the influence of the correlation between the ions and the existence of multi-collinearity on the discrimination results, so as to improve the accuracy of the inrush water source discrimination, this study conducted multivariate statistical analysis and discriminant analysis on 37 water samples of three types of water sources in Xutuan coal mine, and established the Fisher discriminant model for mine water inrush sources based on fuzzy cluster analysis and factor analysis. The discriminant accuracy of the model was tested using re-substitution and cross-validation, and compared with the discriminant result of traditional Fisher discriminant model. The results showed that the discriminant accuracies of the re-substitution and cross-validation were 91.9% and 89.2%, respectively, while the discrimination accuracy of cross-validation of the traditional Fisher discrimination model was 86.5%. The discrimination accuracy of this model was higher than that of the traditional Fisher discrimination model. Therefore, the Fisher discriminant model for mine water inrush sources based on fuzzy cluster analysis and factor analysis established in this study can improve the accuracy of a water source discrimination model, and can provide a useful reference for mine water disaster prevention.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s12665-021-09450-8</doi></addata></record>
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subjects Accuracy
Aquifers
Biogeosciences
Cluster analysis
Coal mines
Coal mining
Collinearity
Decision making
Disaster relief
Disasters
Discriminant analysis
Earth and Environmental Science
Earth Sciences
Emergency preparedness
Environmental Science and Engineering
Factor analysis
Geochemistry
Geology
Hydrogeology
Hydrology/Water Resources
Mine drainage
Mine waters
Model accuracy
Model testing
Multivariate analysis
Multivariate statistical analysis
Original Article
Prevention
Statistical analysis
Statistical methods
Statistics
Substitutes
Terrestrial Pollution
Warning systems
Water analysis
Water inrush
Water sampling
Water sources
title Discriminant analysis of mine water inrush sources with multi-aquifer based on multivariate statistical analysis
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