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Hydrogeology Journal

Erschienen in:

01.11.2006 | Report

Fractured-karst spring-flow protections: a case study in Jinan, China

verfasst von: Jiazhong Qian, Hongbin Zhan, Yifeng Wu, Fulin Li, Jiaquan Wang

Erschienen in: Hydrogeology Journal | Ausgabe 7/2006

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Jinan Springs are an important historical heritage in China and have been well known for hundreds of years. Over-abstraction of groundwater in the Jinan area has seriously endangered the hydrological system of the springs, which have stopped flowing for significant periods of time in recent years. A three-dimensional finite-element model programmed primarily at the Hefei University of Technology has been developed to simulate groundwater level change in the large fractured-karst aquifer system in the Jinan Springs field. Various spring protection plans have been explored and their effects on the water table analyzed and compared. It was found that the present rate of groundwater withdrawal from the fractured-karst system in this area was inappropriate for spring protection. The simulated results suggest that decreasing the rate of groundwater pumping from 6.9×10⁵ to 2.7×10⁵ m³/day is needed to protect spring flows. Additional water resource requirements in that area may be met by use of surface water and recycled waste water.

Vorheriger Artikel Quantification of karst aquifer discharge components during storm events through end-member mixing analysis using natural chemistry and stable isotopes as tracers

Nächster Artikel Observed thermal pollution and post-development simulations of low-temperature geothermal systems in Winnipeg, Canada

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Titel: Fractured-karst spring-flow protections: a case study in Jinan, China
verfasst von: Jiazhong Qian
Hongbin Zhan
Yifeng Wu
Fulin Li
Jiaquan Wang
Publikationsdatum: 01.11.2006
Verlag: Springer-Verlag
Erschienen in: Hydrogeology Journal / Ausgabe 7/2006
Print ISSN: 1431-2174
Elektronische ISSN: 1435-0157
DOI: https://doi.org/10.1007/s10040-006-0061-0

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