Journal Pre-proofs Research papers Monitoring of internal erosion processes by time-lapse electrical resistivity to‐ mography Matteo Masi, Farzad Ferdos, Gabriella Losito, Luca Solari PII: S0022-1694(20)30800-3 DOI: https://doi.org/10.1016/j.jhydrol.2020.125340 Reference: HYDROL 125340 To appear in: Journal of Hydrology Received Date: 7 May 2020 Revised Date: 9 July 2020 Accepted Date: 22 July 2020 Please cite this article as: Masi, M., Ferdos, F., Losito, G., Solari, L., Monitoring of internal erosion processes by time-lapse electrical resistivity tomography, Journal of Hydrology (2020), doi: https://doi.org/10.1016/j.jhydrol. 2020.125340 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier B.V.