The Precipitation Effect on the Water Cycle Mode of Karst Subterranean Stream Catchment

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The Precipitation Effect on the Water Cycle Mode of Karst Subterranean Stream Catchment

详细信息

责任者：Kang Zhiqiang (Studies of Environmental School ; China University of Geosciences ; Whuhan 430074 ; China) ; Xiong Zhibin
刊名：Earth and Environment
出版年：2011
卷期：39(1)
关键词：岩溶水 ; karst water ; 锶 ; strontium
页码：p.26-31
图表：4 illus., 3 tables, 18 refs.
分类号：1701
issnNo：ISSN1672-9250
isbnNo：CN52-1139/P

摘要

Strontium in karst water came from carbonate rocks, and its content is controlled by lithology of the formations and the runoff conditions of groundwater. In the area covered by pure carbonate rocks, the strontium content is only controlled by the latter based on the analyzing of strontium hydrochemical character of Banzhai subterranean stream located in Libo County, Guizhou Province. So, the Ca/Sr ratio can be used to discriminate the water circulation mode. In this paper, the 7 water sample sites be divide two 3 types, which are epi-karst water sites, conduit flow zone/saturation zone water sites and subterranean stream debouchure. The total discharge in subteranean stream debouchure is made up of other two end mumbers. Although the conduit flow zone/saturated zone water is dominated during Dec. 2009 to Feb. 2010, the contribution of epi-karst water quatity is also very important and more than 40% in total discharge.

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