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Volume 29 Issue 1
Mar.  2010
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Article Navigation >  CARSOLOGICA SINICA  > 2010  >  29(1): 70-74
LUO Jian-yin, YANG Ping-heng, YUAN Dao-xian, LI Yuan-qing. Measurement method of recession discharge of karst depression—A case study on Ganjiacao karst depression in Qingmuguan underground river, Chongqing[J]. CARSOLOGICA SINICA, 2010, 29(1): 70-74. doi: 10.3969/j.issn.1001-4810.2010.01.012
Citation: LUO Jian-yin, YANG Ping-heng, YUAN Dao-xian, LI Yuan-qing. Measurement method of recession discharge of karst depression—A case study on Ganjiacao karst depression in Qingmuguan underground river, Chongqing[J]. CARSOLOGICA SINICA, 2010, 29(1): 70-74. doi: 10.3969/j.issn.1001-4810.2010.01.012
shu

Measurement method of recession discharge of karst depression—A case study on Ganjiacao karst depression in Qingmuguan underground river, Chongqing

doi: 10.3969/j.issn.1001-4810.2010.01.012
  • 1.

    School of Geographical Sciences, Southwest University

  • 2.

    School of Geographical Sciences, Southwest University，Laboratory of Geochemistry and Isotope, Southwest University

  • 3.

    School of Geographical Sciences, Southwest University，The Karst Dynamics Laboratory, Ministry of Land and Resources, Institute of Karst Geology, Chinese Academy of Geological Sciences

  • Received Date: 2009-05-18
  • Publish Date: 2010-03-25
    Abstract
  • Recession discharge in submerged karst depression is a special type of pressurized pipe-flow. So, the measurement of the discharge of this pipeline flow is one of major problem in karst hydrology study. The particularity of the pressurized pipe-flow is analyzed and a basic theory and method for inferring the relationship between H and Q is made by means of change in storage capacity of the depression in this paper. And then, method of reservoir inflow under submerged conditions, recession discharge of storage capacity, and total recession discharge under a certain water level is described in detail based on the data from Qingmuguan karst underground river system. In addition, the installation method of field water level monitoring station is introduced briefly in the paper.

     

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