Publications by authors named "Shou-yang He"
[Temporal Response of Subterranean Karst Stream Hydrochemistry to Urbanization].
Huan Jing Ke Xue
October 2019
The hydrochemical responses of underground rivers to urbanization were studied using a 25-year groundwater observation dataset and remote sensing. We found that as urbanization progresses, the mineralization degree of underground rivers gradually increases; time-series data for dominant hydrochemical indicators changed from HCO·SO-Ca·Mg during the dry season and HCO-Ca·Mg during flood season to HCO·Cl-Ca, HCO·SO-Ca, HCO-Ca, and HCO·SO-Ca·Mg. Influenced by surface precipitation input, the groundwater chemistry of underground rivers varies greatly during the dry season and the flood season.
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- The study analyzed the geochemical susceptivity of groundwater in a karst system, focusing on the correlation of major ions.
- Key findings showed that HCO3- and Ca2+ were the most significant ions affecting groundwater quality, with a ranking in geochemical susceptivity.
- The research classified groundwater zones into low, moderate, and high susceptivity categories based on the HCO3- index, identifying high-susceptivity zones as areas at risk for pollution due to interactions with surface water.