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The Research on Effects of Mining on Groundwater Environment
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The Research on Effects of Mining on Groundwater Environment

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydrogeology".

Deadline for manuscript submissions: closed (25 December 2024) | Viewed by 2898

Special Issue Editors

Dr. Qiqing Wang

E-Mail Website
Guest Editor
School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China
Interests: mining; coal mining; engineering geology; geographic information system
Special Issues, Collections and Topics in MDPI journals
Dr. Shiliang Liu

E-Mail Website
Guest Editor
School of Civil Engineering, Shandong University, Jinan 250061, China
Interests: protection and utilization of groundwater resources in ecologically fragile mining areas
Special Issues, Collections and Topics in MDPI journals
Dr. Mingbo Chi

E-Mail Website
Guest Editor
China Academy of Safety Science and Technology, Beijing 100012, China
Interests: protection and utilization of mine water; comprehensive utilization of mining re-sources; aquifer-protective mining; monitoring and early warning of mining safety risks; monitoring and early warning of water inrush in mines

Special Issue Information

Dear Colleagues,

Mining is a typical large-scale human engineering activity, which will cause strong disturbance to the geological environment and damage to the groundwater environment. On the one hand, it causes excessive water inflow in mines, and even causes water inrush accidents. On the other hand, it causes a series of serious ecological and geological environ-mental problems, such as the decline of underground water level, the deterioration of water quality, the reduction or even drying of water in rivers, springs and lakes, the ecological variation of the watershed and the deterioration of the surface ecological environment. How to deal with the harmonious relationship between mining and groundwater is the key issue to reduce the damage of groundwater environment and system in mine area. This topic will elaborate and discuss the latest progress in research on the following issues: characteristics of groundwater circulation in coal mine and non-coal mine area; water inrush and water damage evaluation of mining; influence law of mining on phreatic aq-uifer; influence evaluation of mining on groundwater quality; mining technology under water-containing.

Dr. Qiqing Wang
Dr. Shiliang Liu
Dr. Mingbo Chi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • coal mine and non-coal mine
  • groundwater circulation
  • overburden deformation and failure
  • mine inflow evoluation
  • mine water disaster evaluation
  • influence of mining on phreatic aquifer
  • groundwater quality and quantity assessment
  • mining under water-containing

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Published Papers (2 papers)

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Research

19 pages, 10124 KiB  
Article
The Influence of the Morphological Characteristics of Mining-Induced Ground Fissures on the Spatiotemporal Distribution of Soil Moisture
by Ziheng Song, Jian Zhang, Mingbo Chi, Nan Guo, Shang Yang, Yangnan Guo, Ruimin He and Ze Gao
Water 2024, 16(17), 2496; https://doi.org/10.3390/w16172496 - 2 Sep 2024
Cited by 1 | Viewed by 922
Abstract
In order to study the influence of fissure morphology on soil moisture-content changes under different fissure types, this study established HYDRUS 2.0 numerical models of stepped fissures and planar fissures with different fissure widths and depths based on the experimental condition parameters obtained [...] Read more.
In order to study the influence of fissure morphology on soil moisture-content changes under different fissure types, this study established HYDRUS 2.0 numerical models of stepped fissures and planar fissures with different fissure widths and depths based on the experimental condition parameters obtained from physical simulation tests. Then, we simulated the spatial and temporal variation rules of soil moisture around the fissures. The results showed a high level of agreement between the HYDRUS numerical simulations and actual measurements, indicating that the model accurately reflects the movement of soil moisture near fissures. The study found that ground fissures affected the spatial distribution of soil moisture, leading to an increased rate of moisture loss in the deep soil near the fissure walls. Moreover, larger fissures had greater horizontal and vertical effects on soil moisture. The soil moisture content is lower closer to the fissure walls. As the soil depth increased, the influence of the fissures gradually diminished. For planar fissure with a depth of 50 cm, the soil moisture content was 30.6%, 17.8%, and 8.4% lower at depths of 10, 30, and 50 cm, respectively, compared to a fissure with a depth of 10 cm. For a stepped fissure with a depth of 50 cm, the soil moisture content was 29.2%, 20.9%, and 13.9% lower at depths of 10, 30, and 50 cm, respectively, compared to a fissure with a depth of 10 cm. Under the same conditions of fissure width and depth, stepped fissures exhibit faster moisture loss, and the larger the fissure, the more significant the additional moisture loss compared to planar fissures. Full article
(This article belongs to the Special Issue The Research on Effects of Mining on Groundwater Environment)
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14 pages, 2673 KiB  
Article
Evaluation of Coal-Seam Roof-Water Richness Based on Improved Weight Method: A Case Study in the Dananhu No.7 Coal Mine, China
by Jie Xu, Qiqing Wang, Yuguang Zhang, Wenping Li and Xiaoqin Li
Water 2024, 16(13), 1847; https://doi.org/10.3390/w16131847 - 28 Jun 2024
Cited by 3 | Viewed by 1131
Abstract
The safety of mines is a top priority in the mining industry, and a precise assessment of aquifer water levels is crucial for conducting a risk analysis of water-related disasters. Among them, the GIS-based water abundance index method is widely used in water-richness [...] Read more.
The safety of mines is a top priority in the mining industry, and a precise assessment of aquifer water levels is crucial for conducting a risk analysis of water-related disasters. Among them, the GIS-based water abundance index method is widely used in water-richness evaluation. However, the existing research lacks sufficient determination of evaluation indicator weights, specifically in the following aspects: (1) failure to consider the information differences between indicators and (2) inadequate differentiation of the relative importance of each indicator and their importance to the evaluation target. Taking the No.3 coal roof of Dananhu No.7 coal mine as the research object, six factors are selected as the main indexes for evaluating water richness. The weights were calculated using an improved entropy method and the scatter degree method, with the principle of information entropy used to reconcile the competitive and consistent relationship between the two evaluation methods. This approach resulted in the determination of combination weights for each influencing factor, highlighting the information differences between indicators and the importance of each indicator. Finally, the evaluation of aquifer water richness is partitioned by combining the GIS analysis function. The findings suggest that the Ⅰ division has low water richness, while the Ⅱ division is primarily medium-to-high water rich. The accuracy of the evaluation results exceeds 80%, providing valuable insights for hydrophobic programs for other coal-seam roofs. Full article
(This article belongs to the Special Issue The Research on Effects of Mining on Groundwater Environment)
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