Groundwater quality evolution under urbanization in Beijing urban area, northern China

Hong Bin Yang, Ming Zhu Liu, Hong Han Chen, Guo Ping He, Xunhong Chen, Dong Hui Cheng

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Groundwater quality data from 1960 to 2008 were analyzed to determine hydrogeochemical evolution under urbanization in Beijing urban area in the North China Plain. The results demonstrated that urbanization had a significant impact on major groundwater chemistry composition of Ca2+, Mg 2+, K+, Na+, HCO3-, Cl-, NO3- and SO42- in this aquifer. Cl- and NO3- primarily originate from urban activities. The changes of concentrate of Ca2+, Mg 2+, HCO3- and SO42- were partially attributed to carbonate and sulfate mineral dissolution, as well as to the anthropogenic inputs and these ions were under the control of responding mineral dissolution equilibrium. Urbanization processes led to the different hydrogeochemical facies which correspond to three stages in urbanization process, respectively. The saturation indices of calcite, aragonite, dolomite, gypsum, anhydrite and halite exhibited a wave-shaped increase from natural groundwater to urban groundwater. Mineral dissolution could occur when SI > 0 and mineral precipitation could occur when SI < 0. The critical SI value controlling the transition between dissolution and precipitation for these minerals was not applicable to all hydrogeochemical conditions.

Original languageEnglish (US)
Pages (from-to)1069-1076
Number of pages8
JournalAsian Journal of Chemistry
Issue number4
StatePublished - 2014


  • Beijing
  • Hydrochemistry
  • Temporal evolution
  • Urban groundwater
  • Urbanization

ASJC Scopus subject areas

  • Chemistry(all)


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