Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 9, issue 1
Articles | Volume 9, issue 1
https://doi.org/10.5194/esurf-9-105-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-9-105-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 9, issue 1
Research article
 | 
02 Mar 2021
Research article |  | 02 Mar 2021

Computing water flow through complex landscapes – Part 3: Fill–Spill–Merge: flow routing in depression hierarchies

Richard Barnes, Kerry L. Callaghan, and Andrew D. Wickert

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Latest update: 20 Nov 2024
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Short summary
Existing ways of modeling the flow of water amongst landscape depressions such as swamps and lakes take a long time to run. However, as our previous work explains, depressions can be quickly organized into a data structure – the depression hierarchy. This paper explains how the depression hierarchy can be used to quickly simulate the realistic filling of depressions including how they spill over into each other and, if they become full enough, how they merge into one another.
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