Study on Hydrochemical Characteristics of Ordovician Limestone in Jiaozuo Mining Area
Journal Title: Engineering and Technology Journal - Year 2021, Vol 6, Issue 4
Abstract
In order to understand the source of groundwater inrush and its hydrogeochemical evolution path truly, determine the evolution characteristics and development trend of water cycle, and effectively solve the problem of water disaster in mining area. In this paper, Jiaozuo mining area, a typical large water mining area of North China type, is selected as the study area. Taking the Ordovician aquifer in the study area as the research object, the Ca2+ hydrochemical equilibrium model of Ordovician limestone water system is established by analyzing the characteristics of concentration gradient field and the relationship between the hydrochemical ions (Ca2+、K++Na+、Mg2+、Cl-、SO42-、HCO3-) and TDS in the mining area, it made a systematic study on the characteristics of Ordovician limestone water circulation, and analyzed the recharge, runoff and discharge characteristics of groundwater in different areas of the mining area. The results show that the Ordovician limestone water in the Jiaozuo mining area has a weak leaching effect in the north and southwest, but a strong leaching effect in the southeast, which shows a runoff characteristic from the north and southwest to the southeast.
Authors and Affiliations
Qiaoqiao Su , Zhongyuan Yang , Hongfei Gao Nayan Zhao , Liu Du
Keywords
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- EP ID EP698280
- DOI 10.47191/etj/v6i4.01
- Views 74
- Downloads 0
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