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Hydrochemical and Stable Isotope characteristics of surface water and groundwater in Xiliugou and Wulagai River basin, North China
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  • Xiaowen Yu,
  • Huamin Liu,
  • Qi Wang,
  • Xin Kou,
  • Xiaoai Cao,
  • Zhichao Xu,
  • Lu Wen,
  • Yi zhuo,
  • Dongwei Liu,
  • Lixin Wang
Xiaowen Yu
Inner Mongolia University
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Huamin Liu
Inner Mongolia University
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Qi Wang
Inner Mongolia University
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Xin Kou
Inner Mongolia University
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Xiaoai Cao
Inner Mongolia University
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Zhichao Xu
Inner Mongolia University
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Lu Wen
Inner Mongolia University
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Yi zhuo
Inner Mongolia University
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Dongwei Liu
Inner Mongolia University
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Lixin Wang
Inner Mongolia University

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Abstract

Studies on water origin and transformation relationship between groundwater and surface water is important for understanding on hydrological processes and water resources management. In this study surface water and groundwater samples from Xiliugou and Wulagai River basin were collected and analyzed for stable hydrogen and oxygen isotopes and hydrochemistry data. The results show that the pH of all water samples ranged from 6.81 to 8.91, blongs to weak alkaline water; the average value of TDS in surface water and groundwater is less than 1000mg/l, which is low mineralization water. Na•Ca-SO 4•HCO 3 type and Ca•Na-HCO 3 type was the dominatnt hydrochemical types for surface water in Xiliugou and Wulagai River basin, respectively; Na•Ca-HCO 3 type and Ca•Mg-HCO 3 type for groundwater in Xiliugou and Wulagai River basin respectively. The End-Members Mixing Analysis (EMMA) used for hydrograph separation indicated that in the growing season, the groundwater was recharged by precipitation (76.87 %), and surface water (23.13 %) in Xiliugou; the groundwater in Wulagai was mainly recharged by precipitation (65%) and surface water (35 %).