A Study of the Variations in Hydrology and Hydrochemistry Under the Condition of a Storm in a Typical Karst Subterranean Stream
详细信息
- 责任者：Gou Pengfei (School of Geographical Science ; Southwest University ; Chongqing 400715 ; China) ; Jiang Yongjun
- 刊名：Hydrogeology and Engineering Geology
- 出版年：2010
- 卷期：37(5)
- 关键词：地下河 ; underground streams ; 地下水动态 ; groundwater regime
- 页码：p.20-25,37
- 图表：6 illus., 15 refs.
- 分类号：1400
- issnNo：ISSN1000-3665
- isbnNo：CN11-2202/P
摘要
HOBO automatic weather station,WGZ21 Photoelectric digital water table gauge and CTDP300 on-line water quality analyzer were set up to monitor hydrology,hydrochemistry and precipitation at the catchment of a subterranean stream during a storm.According to the liner relationships,the saturation index of calcite(SIc) and CO2 partial pressure(PCO2) were calculated with the WATSPEC program.The hydrochemical variation in the subterranean stream was analyzed.The results show that hydrochemical variation in a subterranean stream was controlled by dilution effect and also responded to the rainfall rapidly.The hydrochemical variation of inlet was impacted by the rainfall events and the factor of environments.The hydrochemical variation of outlet was controlled by dilution effect,the variation was more regular than inlet of the subterranean stream.
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