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Hydrochemical zonality and geochemical modeling of lower Liaohe plain

The hydrochemical conditions between groundwater and recharge water in the lower Liaohe plain are closely related. Hydrochemical zonality is obvious. Hydrogeochemical modeling software PHREEQC is used to simulate the hodrochemical formation process of vast central plain region. The result shows that migmatization is an important factor influencing the hydrochemical type of central plain region, in which the hydrogeochemical type of atmosphere precipitation affects it mostly.