Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 12, issue 4
Articles | Volume 12, issue 4
https://doi.org/10.5194/esurf-12-863-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-12-863-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 4
Research article
 | 
17 Jul 2024
Research article |  | 17 Jul 2024

Decadal-scale decay of landslide-derived fluvial suspended sediment after Typhoon Morakot

Gregory A. Ruetenik, Ken L. Ferrier, and Odin Marc

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Short summary
Fluvial sediment fluxes increased dramatically in Taiwan during Typhoon Morakot in 2009, which produced some of the heaviest landsliding on record. We analyzed fluvial discharge and suspended sediment concentration data at 87 gauging stations across Taiwan to quantify fluvial sediment responses since Morakot. In basins heavily impacted by landsliding, rating curve coefficients sharply increased during Morakot and then declined exponentially with a characteristic decay time of <10 years.
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