Membrane and Water Treatment

  • 제13권6호
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  • Pages.303-312
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  • 2022
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  • 2005-8624(pISSN)
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  • 2092-7037(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Research on the development law of karst fissures and groundwater characteristic in Xintian County

  • Xin, Zhou (Hunan Geological Disaster Emergency Rescue Technology Center, Hunan Institute of Geological Disaster Investigation and Monitoring) ;
  • Tengfei, Yao (Hunan Geological Disaster Emergency Rescue Technology Center, Hunan Institute of Geological Disaster Investigation and Monitoring) ;
  • Can, Wang (Hunan Geological Disaster Emergency Rescue Technology Center, Hunan Institute of Geological Disaster Investigation and Monitoring) ;
  • Jian, Ou (Hunan Geological Disaster Emergency Rescue Technology Center, Hunan Institute of Geological Disaster Investigation and Monitoring) ;
  • Pengfei, Zheng (Hunan Geological Disaster Emergency Rescue Technology Center, Hunan Institute of Geological Disaster Investigation and Monitoring) ;
  • Kaihong, Chen (Hunan Geological Disaster Emergency Rescue Technology Center, Hunan Institute of Geological Disaster Investigation and Monitoring) ;
  • Xiting, Long (Hunan Geological Disaster Emergency Rescue Technology Center, Hunan Institute of Geological Disaster Investigation and Monitoring)
  • 투고 : 2022.07.14
  • 심사 : 2022.09.22
  • 발행 : 2022.11.25
⟨ 이전 논문 다음 논문 ⟩

초록

The natural hydrology and geological conditions of Xintian County was investigated, the development law of regional karst fissures was studied, the groundwater was collected and tested through a large-scale collection of groundwater to obtain the change law of chemical characteristics and water quality characteristics of groundwater, and the water quality evaluation was carried out for the regional karst groundwater in this paper. The results show that, the whole area is dominated by carbonate rock distribution areas, and the distribution of water systems is relatively developed. The strata are distributed from the Lower Paleozoic Cambrian to the Cenozoic Quaternary, and contain multiple first-order folds. The regional karst dynamic action is strong, and many tunnels or caves of different scales were shown, which are conducive to the enrichment of groundwater. Karst groundwater is neutral and alkaline water, the water is clear and transparent with good taste, and meets the national drinking water hygiene standards. The content of toxic trace elements and fluoride in the water source is generally lower than the limit value specified by the national standard and the accumulated toxic heavy metals is never found. The overall water quality is of good quality and suitable for the development and utilization of various purposes.

키워드

과제정보

This work was supported by the Sichuan Univ, State Key Lab Hydraul & Mt River Engn Foun (SKHL2021) and the Natural Resources Science and Technology Project of Hunan Province (No. 2020-12).

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