Advances in Earth Science ›› 2008, Vol. 23 ›› Issue (5): 489-494. doi: 10.11867/j.issn.1001-8166.2008.05.0489

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Groundwater System of Karst Fracture-Cave Media

Deng Yinger,Jia Shuyuan,Huan Runqiu,Li Yanghong   

  1. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology, Chengdu 610059, China
  • Received:2008-04-14 Revised:2008-04-16 Online:2008-05-10 Published:2008-05-10

Deng Yinger,Jia Shuyuan,Huan Runqiu,Li Yanghong. Groundwater System of Karst Fracture-Cave Media[J]. Advances in Earth Science, 2008, 23(5): 489-494.

Characteristics of typical karst fracture-cave media of a observed region were analysed by means of field investigation. A method of consecutive tests of a variable flow rate was posed according to the characteristics. Consecutive tests were performed by the method combined with a method of consecutive tests of a tracer. Changes of a flow rate and electrical conductivity of water samples with time were determined for observation points. Results show that karst fracture-cave of the region is developed and that groundwater systems and pathways of groundwater flow in the karst fracture-cave media can be determined by the two methods of consecutive tests. The results can provide scientific basis with groundwater resource exploitation and hydraulic & hydropower projects safety assessment in a karst region.

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