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Open AccessFeature PaperCase Report

An Attempt to Characterize the Recharge of Alluvial Fans Facing the Northern Italian Apennines: Indications from Water Stable Isotopes

1
Department of Palermo, INGV National Institute of Geophysics and Volcanology, Via Ugo La Malfa 153, 90146 Palermo, Italy
2
Institute of Eco-Environment and Resources, Chinese Academy of Sciences, 320 Donggang West Road, Lanzhou 730000, China
3
Key Laboratory of Petroleum Resources, Gansu Province/Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, 320 Donggang West Road, Lanzhou 730000, China
4
Geoinvest Srl, 49122 Piacenza, Italy
5
Independent Researcher, 29122 Reggio Emilia, Italy
*
Author to whom correspondence should be addressed.
Water 2020, 12(6), 1561; https://doi.org/10.3390/w12061561
Received: 24 April 2020 / Revised: 25 May 2020 / Accepted: 26 May 2020 / Published: 30 May 2020
Nowadays, climate changes and increased water demand for human and agricultural purposes pose important questions for the groundwater management of alluvial aquifers facing the northern Italian Apennines. The large groundwater withdrawals, coupled with an overall worsening of the water quality, requires a detailed knowledge of the recharge mechanisms of these aquifers that can be useful for further adaptation measures. Concerning the recharge area of the alluvial aquifers (i.e., apices made up of gravelly materials), the present study investigates a dataset made up of 282 water samples for which stable isotopes oxygen-18 (18O) and deuterium (2H) are available. The latter involves precipitations (three rain gauges), surface water (five rivers) and groundwater (twenty wells) from five selected alluvial fans. The study confirms that the different isotopic signatures characterizing rain and river water from this area can be exploited for preliminary characterization of their significance on groundwater recharge. These results lay the foundations for the further use of a suite of environmental tracers (in which a primary role is that of water stable isotopes) at the event-scale (i.e., that of rainfall and/or flood) for eventually estimating the effective quota of recharge linked to precipitation and surface water. View Full-Text
Keywords: water stable isotope; river; alluvial aquifer; groundwater; northern Apennines; Italy water stable isotope; river; alluvial aquifer; groundwater; northern Apennines; Italy
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MDPI and ACS Style

Martinelli, G.; Dadomo, A.; Cervi, F. An Attempt to Characterize the Recharge of Alluvial Fans Facing the Northern Italian Apennines: Indications from Water Stable Isotopes. Water 2020, 12, 1561.

AMA Style

Martinelli G, Dadomo A, Cervi F. An Attempt to Characterize the Recharge of Alluvial Fans Facing the Northern Italian Apennines: Indications from Water Stable Isotopes. Water. 2020; 12(6):1561.

Chicago/Turabian Style

Martinelli, Giovanni; Dadomo, Andrea; Cervi, Federico. 2020. "An Attempt to Characterize the Recharge of Alluvial Fans Facing the Northern Italian Apennines: Indications from Water Stable Isotopes" Water 12, no. 6: 1561.

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