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Delineation of groundwater flow paths using hydrochemical and strontium isotope composition: A case study in high arsenic aquifer systems of the Datong basin, northern China

Xie, Xianjun ; Wang, Yanxin ; Ellis, Andre ; Su, Chunli ; Li, Junxia ; Li, Mengdi ; Duan, Mengyu

Journal of Hydrology, 07 January 2013, Vol.476, pp.87-96 [Periódico revisado por pares]

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  • Título:
    Delineation of groundwater flow paths using hydrochemical and strontium isotope composition: A case study in high arsenic aquifer systems of the Datong basin, northern China
  • Autor: Xie, Xianjun ; Wang, Yanxin ; Ellis, Andre ; Su, Chunli ; Li, Junxia ; Li, Mengdi ; Duan, Mengyu
  • Assuntos: Hydrochemistry ; Strontium Isotope ; Groundwater Flow Path ; Datong Basin ; Geography
  • É parte de: Journal of Hydrology, 07 January 2013, Vol.476, pp.87-96
  • Descrição: ► We delineate the flow paths in high arsenic groundwater aquifer system. ► We model the evolution of chemical and Sr isotopic composition along the flow paths. ► Groundwater flow regime has effect on arsenic enrichment in groundwater. Strontium isotopic compositions and major ion chemistry were used to delineate flow paths in an arsenic affected groundwater flow system in the Datong basin, China. Total of 28 samples including one spring and one river water were collected for major ions and strontium isotopic compositions and concentration analysis. The ion ratios indicate that dissolution of silicates and carbonates is the dominant geochemical process controlling the hydrochemistry of groundwater from two recharge areas at the basin margins, while the water chemistry in the center of the basin is affected by the dissolution of evaporites (including gypsum and halite). Groundwater from eastern and western margin areas have relatively high Sr/...
  • Idioma: Inglês

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