Hydrochemical Characteristics of Groundwater and the Origin in Alluvial-proluvial Fan of Qinhe River

LIU Jiang-tao1 CAI Wu-tian1 CAO Yue-ting1 CAI Yue-mei1 BIAN Chao1 LÜ Yong-gao1 CHEN Yuan-ming1

(1.Center for Hydrogeology and Environmental Geology, China Geological Survey, Baoding, China 071051)

【Abstract】To study the hydrochemical characteristics of groundwater and the factors controlling the alluvial-proluvial fan of the Qinhe River, 60 samples were collected including 9 surface water samples and 51 groundwater samples. The distribution characteristics of the hydrochemistry and major controlling factors of hydrochemical evolution processes of surface water and groundwater in the study area were analyzed by using mathematical statistics, the Schakerev classification, Piper diagrams, Schoeller diagrams, Gibbs plots, and ion ratios. The results show that ① the major anions and cations of surface water and groundwater in the study area are Ca2+, Mg2+, SO42−, and HCO3, and the recharge sources of surface water and groundwater are closely related; ② the major hydrochemical types of the groundwater are HCO3-Ca, HCO3-Ca·Mg, and HCO3·SO4-Ca·Mg, while the major hydrochemical type of surface water is HCO3·SO4-Ca·Mg; and ③ the major ions of surface water and groundwater are affected by carbonate mineral weathering and dissolution, ion exchange, and evaporation. Sulfuric acid and carbonic acid were involved in carbonate mineral weathering and dissolution.

【Keywords】 Qinhe River; alluvial-proluvial fan; hydrochemical type; piper diagram; Gibbs plot; ion ratio; origin analysis;


【Funds】 China Geological Survey Project (DD20160310)

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This Article


CN: 11-1895/X

Vol 39, No. 12, Pages 5428-5439

December 2018


Article Outline


  • 1 Overview of the study area
  • 2 Samples collection and measurement
  • 3 Results and discussion
  • 4 Conclusions
  • References