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Numerical modeling of geothermal groundwater flow in karst aquifer system in eastern Weibei, Shaanxi Province, China

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Abstract

The quantitative assessment of geothermal water resources is important to the exploitation and utilization of geothermal resources. In the geothermal water systems the density of groundwater changes with the temperature, therefore the variations in hydraulic heads and temperatures are very complicated. A three-dimensional density-dependent model coupling the groundwater flow and heat transport is established and used to simulate the geothermal water flow in the karst aquifers in eastern Weibei, Shaanxi Province, China. The multilayered karst aquifer system in the study area is cut by some major faults which control the regional groundwater flow. In order to calibrate and simulate the effect of the major faults, each fault is discretized as a belt of elements with special hydrological parameters in the numerical model. The groundwater dating data are used to be integrated with the groundwater flow pattern and calibrate the model. Simulation results show that the calculated hydraulic heads and temperature fit with the observed data well.

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Authors and Affiliations

  1. State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China

    Li Ming, Li GuoMin & Zhao ChunHu

  2. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ürümqi, 830011, China

    Yang Liao

  3. Xi’an Institute of Geology and Mineral Resources, Xi’an, 710054, China

    Dang XueYa, Hou GuangCai & Zhang MaoSheng

Authors
  1. Li Ming
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  2. Li GuoMin
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  3. Yang Liao
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  4. Dang XueYa
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  5. Zhao ChunHu
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  6. Hou GuangCai
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  7. Zhang MaoSheng
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Corresponding author

Correspondence to Li Ming.

Additional information

Supported by the Knowledge Innovation Project of the Chinese Academy of Sciences (Grant No. KZCX2-YW-116), the China Geological Survey (Grant No. 1212010331302) and the National Natural Science Foundation of China (Grant No. 40571030)

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Li, M., Li, G., Yang, L. et al. Numerical modeling of geothermal groundwater flow in karst aquifer system in eastern Weibei, Shaanxi Province, China. SCI CHINA SER D 50 (Suppl 1), 36–41 (2007). https://doi.org/10.1007/s11430-007-5020-7

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  • DOI: https://doi.org/10.1007/s11430-007-5020-7

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