Study on hydrogeological characteristics and karst water exploitation and utilization of Shenxian Mountain Karst Water system in Fuping
This paper is about the research on the Karst Water system.[Objective]Karst water is the main water source of cities and towns in northern China.In this paper,the hydrogeological characteristics of the karst water system in Shenxian Mountain in Fuping are studied.The research results can provide an important reference for the rational development and utilization of karst water in Fuping.[Methods]This paper mainly takes the karst water system of Shenxian Mountain in Fuping as the research object,and systematically summarizes the hydrogeological characteristics of the karst water system in the study area by studying the geological background of karst formation,karst development characteristics,aquifer structure,groundwater circulation,and karst water chemical characteristics.[Results]The groundwater system of karst of Shenxian Mountain in Fuping is a relatively independent karst hydrologic system.Karst hydrologic system boundary consists of carbonate rock and metamorphic rock boundary,the water separation boundary formed by water resistance fault structure and the surface underground watershed boundary.The karst water system is divided into dolomite karst fissure aquifer of Jixian system and Changcheng system and the limestone karst fissure aquifer of Ordovician-Cambrian system.The atmospheric precipitation in Shenxian Mountain area of Fuping is the main source of groundwater recharge.The atmospheric precipitation infiltrates along the cracks to recharge the groundwater.The karst groundwater in Fuping Shenxian Mountain is excreted in the form of Jinlongdong spring(underground river),with a water volume of 5382-75466 m3/d.The strontium content in the spring water is 0.58-1.28 mg/l,which reaches the limit index of'drinking natural mineral water'(GB 8537-2018).[Conclusions]Karst develops in Shenxian Mountain area of Fuping,forming a relatively independent karst water system,and groundwater circulates in the system.It is appropriate to build underground water retaining structures near the Jinlongdong underground river to form underground karst reservoirs,which has considerable development and utilization value.
karst hydrologic systemdevelopment and utilizationFuping Shenxian Mountaingroundwater system
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