Isotopic and Hydrochemical Characteristics of the Changqing-Xiaolipu Water Resource, Jinan, Eastern China: Implications for Water Resources in the Yellow River Basin

Dalu Yu, Jieqing Yu (), Di Wu, Yu Han, Bin Sun, Lishuang Zheng, Huanliang Chen and Rui Liu ()
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Dalu Yu: 801 Institute of Hydrogeology and Engineering Geology, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan 250014, China
Jieqing Yu: Department of Geology and Engineering Survey, Hebei Geological Workers’ University, Shijiazhuang 050081, China
Di Wu: 801 Institute of Hydrogeology and Engineering Geology, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan 250014, China
Yu Han: 801 Institute of Hydrogeology and Engineering Geology, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan 250014, China
Bin Sun: 801 Institute of Hydrogeology and Engineering Geology, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan 250014, China
Lishuang Zheng: 801 Institute of Hydrogeology and Engineering Geology, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan 250014, China
Huanliang Chen: 801 Institute of Hydrogeology and Engineering Geology, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan 250014, China
Rui Liu: School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255000, China

Sustainability, 2023, vol. 15, issue 3, 1-12

Abstract: The Yellow River has played an indispensable role in supporting Chinese civilization because it provides water resources and rich soil for agriculture. This study analyzes the major ions and the isotopic ratios of the hydrogen (δD), oxygen (δ 18 O), and carbon ( 14 C) of groundwater samples to identify the sources of recharge and the impact of the Yellow River on the Changqing-Xiaolipu karst aquifer. The major ion/Cl − ratios generally follow the mixing line between the Yellow River and the karst groundwater recharge in the southern mountain areas, indicating the importance of mixing under natural influences in the Yellow River Basin. The dominant hydrochemical type of karst groundwater is Ca·Mg-HCO 3 ·SO 4 , whereas that of Yellow River water is Ca·Na·Mg-SO 4 ·Cl. Most karst groundwater consists of 10–30% Yellow River water, indicating that the water resources of the Yellow River Basin are generally supplemented by the Yellow River. Therefore, the Yellow River must be considered during the characterization of the chemistry and budget of water resources in the Yellow River Basin.

Keywords: karst groundwater; Yellow River Basin; water mixing; geochemistry; isotopic characteristics (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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