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Article

Effect of Shallow-Buried High-Intensity Mining on Soil Water Content in Ningtiaota Minefield

by 1,2,3,*, 1, 1, 1 and 1
1
School of Geosciences and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
2
State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China
3
Beijing Key Laboratory for Precise Mining of Intergrown Energy and Resources, China University of Mining and Technology (Beijing), Beijing 100083, China
*
Author to whom correspondence should be addressed.
Academic Editor: Domenico Cicchella
Water 2021, 13(3), 361; https://doi.org/10.3390/w13030361
Received: 24 December 2020 / Revised: 25 January 2021 / Accepted: 26 January 2021 / Published: 30 January 2021
(This article belongs to the Special Issue Recent Progress in Linking Soil Science and Hydrology)
Shallow-buried high-intensity mining (SHM) activities commonly in China’s western mining area will lead to the decrease of groundwater level and soil water content (SWC), which will aggravate the further deterioration of the local fragile ecological environment. In this study, the applicability and limitations of six typical soil dielectric models were comprehensively evaluated based on ground penetrating radar (GPR) technology and shallow drilling methods. Moreover, experiments were performed to test the variation of SWC in Ningtiaota minefield affected by the SHM. The results show that the fitting effect of the four empirical models and two semi-empirical models on the clay is better than that of the medium sand. Among the six models, the Ledieu model has the best performance for medium sand, and the Topp model for clay. After SHM, the shallow SWC decreases as a whole. The decreasing range is 4.37–15.84%, showing a gradual downward trend compared with the one before mining. The shorter the lagging working face distance, the greater the drop of SWC will be. The longer the lagging working face distance, the smaller the drop of SWC will be showing a gradual and stable trend. View Full-Text
Keywords: arid and semi-arid areas; shallow-buried high-intensity mining; soil water content; bulk dielectric permittivity arid and semi-arid areas; shallow-buried high-intensity mining; soil water content; bulk dielectric permittivity
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MDPI and ACS Style

Cui, F.; Du, Y.; Ni, J.; Zhao, Z.; Peng, S. Effect of Shallow-Buried High-Intensity Mining on Soil Water Content in Ningtiaota Minefield. Water 2021, 13, 361. https://doi.org/10.3390/w13030361

AMA Style

Cui F, Du Y, Ni J, Zhao Z, Peng S. Effect of Shallow-Buried High-Intensity Mining on Soil Water Content in Ningtiaota Minefield. Water. 2021; 13(3):361. https://doi.org/10.3390/w13030361

Chicago/Turabian Style

Cui, Fan, Yunfei Du, Jianyu Ni, Zhirong Zhao, and Shiqi Peng. 2021. "Effect of Shallow-Buried High-Intensity Mining on Soil Water Content in Ningtiaota Minefield" Water 13, no. 3: 361. https://doi.org/10.3390/w13030361

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