Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 13, issue 5
Articles | Volume 13, issue 5
https://doi.org/10.5194/esurf-13-1059-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-13-1059-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 13, issue 5
Research article
 | 
22 Oct 2025
Research article |  | 22 Oct 2025

Influence of network geometry on long-term morphodynamics of alluvial rivers

Fergus McNab, Taylor F. Schildgen, Jens M. Turowski, and Andrew D. Wickert

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Short summary
Alluvial rivers form networks, but many concepts we use to analyse their long-term evolution derive from models that treat them as single streams. We develop a model including tributary interactions and show that, while patterns of sediment output can be similar for network and single-segment models, complex signal propagation affects aggradation and incision within networks. We argue that understanding a specific catchment's evolution requires a model with its specific network structure.
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