Environmental isotopic and hydrochemical characteristics of groundwater systems in Daying and Qicun geothermal fields, Xinzhou Basin, Shanxi, China

D Han, X Liang, Matthew Currell, X Song, Zongyu Chen, M G Jin, C Liu, Ying Han

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    The conceptual hydrogeological model of the low to medium temperature Daying and Qicun geothermal fields has been proposed, based on hydrochemical characteristics and isotopic compositions. The two geothermal fields are located in the Xinzhou basin of Shanxi, China and exhibit similarities in their broad-scale flow patterns. Geothermal water is derived from the regional groundwater flow system of the basin and is characterized by Cl center dot SO4-Na type. Thermal water is hydrochemically distinct from cold groundwater having higher total dissolved solids (TDS) (>0.8 g/l) and Sr contents, but relatively low Ca, Mg and HCO3 contents. Most shallow groundwater belongs to local flow systems which are subject to evaporation and mixing with irrigation returns.
    Original languageEnglish
    Pages (from-to)3157 - 3176
    Number of pages20
    JournalHydrological Processes
    Issue number22
    Publication statusPublished - 2010

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