Hydrochemical Characteristics and Evolution of Karst Groundwater in Sanqiao District of Guiyang City

被引：2

作者：

Li H. ^{[1
]}

Wen Z. ^{[1
]}

Xie X. ^{[1
]}

Luo Z. ^{[1
]}

Gu X. ^{[1
]}

机构：

[1] School of Environmental Studies, China University of Geosciences, Wuhan

来源：

Wen, Zhang (wenz@cug.edu.cn) | 1600年 / China University of Geosciences卷 / 42期

关键词：

Hydrochemical evolution; Hydrogeochemical simulation; Hydrogeology; Karst groundwater; Sanqiao area of Guiyang City;

D O I：

10.3799/dqkx.2017.068

中图分类号：

学科分类号：

摘要：

The karst groundwater in Sanqiao district of Guiyang City is the main water sources for local people, and the development of karst system in Guiyang is very complicated. However, the study of karst water chemistry and its evolutionary characteristics, especially water-rock interaction, has not been reported. In order to ensure the safety of water supply in the region, chemical components and hydrogen and oxygen isotopic data of the groundwater in the Sanqiao district of Guiyang are combined to determine the spatial distribution and evolution of chemical components in groundwater and distinguish the water-rock interaction processes in this study. It is found that the hydrochemical type of groundwater can be classified into HCO3·SO4-Ca·Mg, HCO3·SO4-Ca, HCO3-Ca and HCO3-Ca·Mg. The hydrogen and oxygen isotopes of groundwater show that the recharge of groundwater in research area is precipitation. Besides, hydrogeochemical simulation shows that the hydrochemical characteristics are controlled by the solution of calcite, dolomite, halite and gypsum as well as cation exchange. © 2017, Editorial Department of Earth Science. All right reserved.

引用

页码：804 / 812

页数：8

共 19 条

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