Geochemical study allowed to recognize four groups of groundwater for the Sibari Plain (Southern Italy): Ca-HCO3, Na-Cl, Ca-Cl and Na-HCO3. Chloride-rich waters are located close to the Crati mouth that could be a preferential path for seawater ingression. In fact, seawater and brackish waters could move inland along the stream channel and enter the nearby aquifers due to excessive pumping of wells positioned near the river. In alternative, the occurrence of processes, such as ion exchange or dissolution of halite-bearing Miocene evaporite deposits can generate aqueous solutions with similar characteristics to those produced by seawater ingression. Moreover, was calculated the infiltration average (Hi, m a.s.l.) for groundwater of the Sibari Plain by the following equations: The data showed a lower average of the infiltrations in the inner part of the Sibari Plain, with values between 550 and 870 m a.s.l., and higher values (1000/1500 m a.s.l.) moving to NW and SE. © Società Geologica Italiana, Roma 2016.

Hydrogeological and isotopic study of the multi-aquifer system of the Sibari plain (Calabria, southern Italy)

Vespasiano G.
;
APOLLARO, Carmine;DOMINICI, Rocco;Cianflone G.;DE ROSA, Rosanna
2016

Abstract

Geochemical study allowed to recognize four groups of groundwater for the Sibari Plain (Southern Italy): Ca-HCO3, Na-Cl, Ca-Cl and Na-HCO3. Chloride-rich waters are located close to the Crati mouth that could be a preferential path for seawater ingression. In fact, seawater and brackish waters could move inland along the stream channel and enter the nearby aquifers due to excessive pumping of wells positioned near the river. In alternative, the occurrence of processes, such as ion exchange or dissolution of halite-bearing Miocene evaporite deposits can generate aqueous solutions with similar characteristics to those produced by seawater ingression. Moreover, was calculated the infiltration average (Hi, m a.s.l.) for groundwater of the Sibari Plain by the following equations: The data showed a lower average of the infiltrations in the inner part of the Sibari Plain, with values between 550 and 870 m a.s.l., and higher values (1000/1500 m a.s.l.) moving to NW and SE. © Società Geologica Italiana, Roma 2016.
Hydrogen isotopes; Sibari plain; Seawater ingression
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11770/132101
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