Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 13, issue 2
Articles | Volume 13, issue 2
https://doi.org/10.5194/esurf-13-239-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-13-239-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 13, issue 2
Research article
 | 
19 Mar 2025
Research article |  | 19 Mar 2025

An evaluation of flow-routing algorithms for calculating contributing area on regular grids

Alexander B. Prescott, Jon D. Pelletier, Satya Chataut, and Sriram Ananthanarayan

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Latest update: 29 Oct 2025
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Short summary
Many Earth surface processes are controlled by the spatial pattern of surface water flow. We review commonly used methods for predicting such spatial patterns in digital landform models and document the pros and cons of commonly used methods. We propose a new method that is designed to minimize those limitations and show that it works well in a variety of test cases.
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