Grain size dynamics using a new planform model – Part 2: Determining the relative control of autogenic processes and subsidence

Wild, Amanda Lily; Braun, Jean; Whittaker, Alexander C.; Prieur, Marine; Castelltort, Sebastien

doi:https://doi.org/10.5194/esurf-13-889-2025

Articles | Volume 13, issue 5

https://doi.org/10.5194/esurf-13-889-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/esurf-13-889-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 5

Research article

|

15 Sep 2025

Research article |

| 15 Sep 2025

Grain size dynamics using a new planform model – Part 2: Determining the relative control of autogenic processes and subsidence

Amanda Lily Wild, Jean Braun, Alexander C. Whittaker, Marine Prieur, and Sebastien Castelltort

Supplement

https://doi.org/10.5194/esurf-13-889-2025-supplement

Data sets

fastscape-lem/GravelScape: GravelScape A. Wild et al. https://doi.org/10.5281/zenodo.15641112

Model code and software

fastscape-lem/fastscapelib-fortran: Release v2.8 (v2.8.4) B. Bovy et al. https://doi.org/10.5281/zenodo.8392416

fastscape-lem/fastscape: Release v0.1.0 (0.1.0) B. Bovy and R. Lange https://doi.org/10.5281/zenodo.8375653

fastscape-lem/GravelScape: GravelScape A. Wild et al. https://doi.org/10.5281/zenodo.15641112

Video supplement

Grain size dynamics using a new planform model Amanda Wild https://doi.org/10.5446/70575

Short summary

Sediments deposited within river channels form the stratigraphic record, which has been used to interpret tectonic events, basin subsidence, and changes in precipitation long after ancient mountain chains have eroded away. Our work combines methods for estimating gravel fining with a Landscape Evolution Model in order to analyze the grain size preserved within the stratigraphic record with greater complexity (e.g. considering topography and channel dynamics) than past approaches.