Isotope distribution of dissolved carbonate species in southeastern coastal aquifers of Sicily (Italy)

Sergio Hauser, Schiavo, Povinec, Hauser

Risultato della ricerca: Articlepeer review

3 Citazioni (Scopus)

Abstract

Concentrations of major ions and the δ13C composition of dissolved inorganic carbon in groundwater and submarine groundwater discharges in the area between Siracusa and Ragusa provinces, southeastern Sicily, representing coastal carbonate aquifers, are presented and discussed. Most of groundwater analysed belongs to calcium bicarbonate type, in agreement with the geological nature of carbonate host rocks. Carbonate groundwater acquires, besides the dissolution of carbonate minerals, dissolved carbon (and the relative isotopic composition) from the atmosphere and from soil biological activity. In fact, δ13C values and total dissolved inorganic carbon contents show that both these sources contribute to carbon dissolved species in the waters studied. Finally, mixing with seawater in the second main factor of groundwater mineralization Copyright © 2007 John Wiley & Sons, Ltd.
Lingua originaleEnglish
pagine (da-a)2690-2697
Numero di pagine8
RivistaHydrological Processes
Volume21
Stato di pubblicazionePublished - 2007

All Science Journal Classification (ASJC) codes

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