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Mixing Of Water In A Carbonate Aquifer, Southern Italy, Analysed Through Stable Isotope Investigations, Emma Petrella, Fulvio Celico
Mixing Of Water In A Carbonate Aquifer, Southern Italy, Analysed Through Stable Isotope Investigations, Emma Petrella, Fulvio Celico
International Journal of Speleology
Mixing of water was analysed in a carbonate aquifer, southern Italy, through stable isotope investigations (18O,δ2H). The input signal (rainwater) was compared with the isotopic content of a 35-meter groundwater vertical profile, over a 1-year period. Within the studied aquifer, recharge and flow are diffuse in a well-connected fissure network.
At the test site, the comparison between input and groundwater isotopic signals illustrates that no efficient mixing takes place in the whole unsaturated zone, between the fresh infiltration water and the stored water.
When analysing the stable isotopes composition of groundwater, significant variations were observed above …