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Published in: Hydrogeology Journal 3/2024

06-03-2024 | Technical Note

A quantitative composition calculation model of mine water source based on “emblematic ions”

Authors: Huiqing Yuan, Zhimin Xu, Yajun Sun, Li Zhang, Ge Chen

Published in: Hydrogeology Journal | Issue 3/2024

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Abstract

Preventing water inrush disasters in mines is crucial for ensuring safe coal production; therefore, it is necessary to adopt a simple and effective method to determine the source and composition of mine water for effective water control in coal mines. The major ions content of groundwater in mining areas is easy to monitor, but the selection of appropriate parameters and calculation methods is key to being able to accurately discriminate between the water sources. In this study, the major ions content of 18 water samples was analyzed by cluster analysis, and a set of mean reference values was constructed for these ions in the mine-impacted groundwater of the saturated aquifers. The coefficient of variation was used to screen the parameters suitable for calculating the composition of mine water, and an innovative concept of characteristic ions, hereby defined as “emblematic” ions, was put forward. These were identified in this study as K+ + Na+, Ca2+, Mg2+ and HCO3. The quantitative calculation model of the mine water source is established by using the fuzzy comprehensive evaluation method with the emblematic ions as the evaluation factor. Finally, the accuracy of the mathematical model is verified by comparing the calculated data with the actual observation data.

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Metadata
Title
A quantitative composition calculation model of mine water source based on “emblematic ions”
Authors
Huiqing Yuan
Zhimin Xu
Yajun Sun
Li Zhang
Ge Chen
Publication date
06-03-2024
Publisher
Springer Berlin Heidelberg
Published in
Hydrogeology Journal / Issue 3/2024
Print ISSN: 1431-2174
Electronic ISSN: 1435-0157
DOI
https://doi.org/10.1007/s10040-024-02774-2

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