Proceedings of IAHS
Proceedings of IAHS
PIAHS
Articles | Volume 382
Articles | Volume 382
https://doi.org/10.5194/piahs-382-333-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-382-333-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 382
Pre-conference publication
 | 
22 Apr 2020
Pre-conference publication |  | 22 Apr 2020

Altered surface hydrology as a potential mechanism
for subsidence in coastal Louisiana

Jaap H. Nienhuis, Torbjörn E. Törnqvist, and Gilles Erkens

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Latest update: 26 Jul 2025
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Short summary
Decreased distance from the marsh to the marsh edge can lower groundwater tables and increase soil stresses that lead to subsidence. We explore the possibility that the canals that have been dug in the wetlands in coastal Louisiana have decreased marsh edge distances and therefore have contributed to subsidence.
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