Proceedings of IAHS
Proceedings of IAHS
PIAHS
Articles | Volume 384
Articles | Volume 384
https://doi.org/10.5194/piahs-384-133-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-384-133-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 384
Pre-conference publication
 | 
16 Nov 2021
Pre-conference publication |  | 16 Nov 2021

Multi-criteria approaches to identify the shoreline retreat downstream of dams: the North African case

Oula Amrouni and Gil Mahé

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Latest update: 08 Aug 2025
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Short summary
Our multidisciplinary study reveals an alarming trend of beach retreat reaching −20 m ± 0.15 m yr−1 after the human-induced change over the hydrological network where ~ 50 % of sediment discharge has been trapped upstream the dams. Accros the semi arid north African coasts, the rapid shoreline retreat is due to the decreasing of sediment fluvial discharge trapped by the dam infrastrcture.
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