Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 30, issue 10
Articles | Volume 30, issue 10
https://doi.org/10.5194/hess-30-2995-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-30-2995-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 30, issue 10
Research article
 | 
19 May 2026
Research article |  | 19 May 2026

The impact of spatial resolution on hourly flood modeling in large watersheds

Lei Ye, Xiaoyang Li, Jilie Li, Chi Zhang, and Huicheng Zhou

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Short summary
The spatial resolution of hydrological modeling is a critical factor affecting flood simulation accuracy, particularly in large watersheds with complex characteristics. This study quantifies the impact of spatial resolution on hourly flood simulation and identifies flood characteristics that are sensitive to spatial resolution. The findings provide practical guidance for selecting appropriate spatial resolutions in large-watershed modeling.
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