Abstract
Shallow salt water in the inland plain has huge development potential. Taking saline water area in Sungeng Town, Jiyang County as an example, based on field water quality and water table tests., tracing test, methods such as mathematical statistical, hydrochemistry diagram of piper and numerical simulation by PHREEQC are used to analyze synthetically. 6862 groups data were studied. Results showed: (1) The groundwater presents typically “weather - evaporation” type, chemistry type is Cl.SO4-Mg.Na. and Cl.SO4-Na.Mg type. (2) In area of inland saline water presents characteristics of lagging water flow with high clay content in aquifer medium. Groundwater mineralization is obvious. (3) Hydrogeochemistry actions such as evaporation, alternate adsorption and water-rock interaction are the primary cause of the forming complex hydrochemistry type. The unique groundwater circulation characteristics of inland plains saltwater area makes water dynamic being relatively stable.
Highlights
In North China inland plains, excess extraction of deep groundwater has caused the geological disasters [1,2,3]
The formation of the salt water is closely related to water circulation characteristics, aquifer lithology and diameter and discharge conditions [7]
The inland area of Jiyang shallow brackish water dynamics and water chemical characteristics are analyzed to deepen the understanding of inland saline water formation mechanism and revolution laws and to provide scientific basis for salt water improvement [8, 9]
Summary
In North China inland plains, excess extraction of deep groundwater has caused the geological disasters [1,2,3]. Saline water (TDS>2g/L) is widely spread [4,5,6] and a lot of saline water has not been fully taken advantage. The formation of the salt water is closely related to water circulation characteristics, aquifer lithology and diameter and discharge conditions [7]. The inland area of Jiyang shallow brackish water dynamics and water chemical characteristics are analyzed to deepen the understanding of inland saline water formation mechanism and revolution laws and to provide scientific basis for salt water improvement [8, 9]
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