Articles | Volume 24, issue 4
Hydrol. Earth Syst. Sci., 24, 2121–2139, 2020
https://doi.org/10.5194/hess-24-2121-2020
Hydrol. Earth Syst. Sci., 24, 2121–2139, 2020
https://doi.org/10.5194/hess-24-2121-2020

Research article 30 Apr 2020

Research article | 30 Apr 2020

Time-lapse cross-hole electrical resistivity tomography (CHERT) for monitoring seawater intrusion dynamics in a Mediterranean aquifer

Andrea Palacios et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (further review by editor and referees) (22 Dec 2019) by Mauro Giudici
AR by Andrea Palacios on behalf of the Authors (19 Jan 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (29 Jan 2020) by Mauro Giudici
RR by Anonymous Referee #1 (02 Mar 2020)
RR by Anonymous Referee #2 (02 Mar 2020)
ED: Publish subject to minor revisions (review by editor) (11 Mar 2020) by Mauro Giudici
AR by Andrea Palacios on behalf of the Authors (21 Mar 2020)  Author's response    Manuscript
ED: Publish as is (25 Mar 2020) by Mauro Giudici
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Short summary
Coastal areas are highly populated and seawater intrusion endangers the already scarce freshwater resources. We use, for the first time, a geophysical experiment called cross-hole electrical resistivity tomography to monitor seawater intrusion dynamics. The technique relies on readings of rock and water electrical conductivity to detect salt in the aquifer. Two years of experiment allowed us to reveal variations in aquifer salinity due to natural seasonality, heavy-rain events and droughts.