Articles | Volume 13, issue 6
https://doi.org/10.5194/gmd-13-2743-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-13-2743-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Simulator for Hydrologic Unstructured Domains (SHUD v1.0): numerical modeling of watershed hydrology with the finite volume method
Department of Land, Air and Water Resources, University of California, Davis, Davis, California 95616, USA
Paul A. Ullrich
Department of Land, Air and Water Resources, University of California, Davis, Davis, California 95616, USA
Christopher J. Duffy
Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
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Total article views: 8,185 (including HTML, PDF, and XML)
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Cited
16 citations as recorded by crossref.
- An Investigation into the Applicability of the SHUD Model for Streamflow Simulation Based on CMFD Meteorological Data in the Yellow River Source Region T. Bu et al. https://doi.org/10.3390/w16243583
- rSHUD v2.0: advancing the Simulator for Hydrologic Unstructured Domains and unstructured hydrological modeling in the R environment L. Shu et al. https://doi.org/10.5194/gmd-17-497-2024
- A spatially hybrid hydrological modeling approach using subbasin-specific model structures Y. Wang et al. https://doi.org/10.1016/j.envsoft.2026.106944
- Advancing understanding of lake–watershed hydrology: a fully coupled numerical model illustrated by Qinghai Lake L. Shu et al. https://doi.org/10.5194/hess-28-1477-2024
- A review of integrated surface-subsurface numerical hydrological models L. Shu et al. https://doi.org/10.1007/s11430-022-1312-7
- Comprehensive Hydrological Analysis of the Buha River Watershed with High-Resolution SHUD Modeling Y. Chang et al. https://doi.org/10.3390/w16142015
- A mechanistic, distributed model for coupled simulation of soil water-plant, groundwater and surface flow system in arid/semi-arid agricultural watersheds (SurfMOD)—Model description and evaluation D. Mu et al. https://doi.org/10.1016/j.jhydrol.2025.133890
- Two-dimensional differential form of distributed Xinanjiang model J. Zhao et al. https://doi.org/10.5194/hess-29-3745-2025
- GWSWEX v1.0: a dual-solver 1D unsaturated zone model for mass-conservative groundwater recharge and runoff computation in distributed hydrological modelling V. Kootanoor Sheshadrivasan & J. Langhammer https://doi.org/10.5194/gmd-19-8233-2026
- Effects of irrigation and canal networks on groundwater–land surface interactions in the middle Heihe River Basin, China Z. Lu et al. https://doi.org/10.1016/j.ejrh.2025.102532
- Evaluating the effects of topography and land use change on hydrological signatures: a comparative study of two adjacent watersheds H. Liu et al. https://doi.org/10.5194/hess-29-2109-2025
- The matrix-vector differential-form Muskingum method for river network routing J. Zhao et al. https://doi.org/10.1016/j.advwatres.2026.105300
- Routing Nutrient Concentrations in a River Reach Using an Object-Oriented Modeling Based on the Concepts of System Dynamics M. Ghashghaie et al. https://doi.org/10.1007/s41101-020-00092-8
- A 2D-SWEs framework for efficient catchment-scale simulations: Hydrodynamic scaling properties of river networks and implications for non-uniform grids generation P. Costabile & C. Costanzo https://doi.org/10.1016/j.jhydrol.2021.126306
- Is HEC-RAS 2D accurate enough for storm-event hazard assessment? Lessons learnt from a benchmarking study based on rain-on-grid modelling P. Costabile et al. https://doi.org/10.1016/j.jhydrol.2021.126962
- Evaluation of distributed and semi-distributed hydrological models in complex River Basin system, Nepal B. Budhathoki et al. https://doi.org/10.1016/j.hydres.2024.09.006
16 citations as recorded by crossref.
- An Investigation into the Applicability of the SHUD Model for Streamflow Simulation Based on CMFD Meteorological Data in the Yellow River Source Region T. Bu et al. https://doi.org/10.3390/w16243583
- rSHUD v2.0: advancing the Simulator for Hydrologic Unstructured Domains and unstructured hydrological modeling in the R environment L. Shu et al. https://doi.org/10.5194/gmd-17-497-2024
- A spatially hybrid hydrological modeling approach using subbasin-specific model structures Y. Wang et al. https://doi.org/10.1016/j.envsoft.2026.106944
- Advancing understanding of lake–watershed hydrology: a fully coupled numerical model illustrated by Qinghai Lake L. Shu et al. https://doi.org/10.5194/hess-28-1477-2024
- A review of integrated surface-subsurface numerical hydrological models L. Shu et al. https://doi.org/10.1007/s11430-022-1312-7
- Comprehensive Hydrological Analysis of the Buha River Watershed with High-Resolution SHUD Modeling Y. Chang et al. https://doi.org/10.3390/w16142015
- A mechanistic, distributed model for coupled simulation of soil water-plant, groundwater and surface flow system in arid/semi-arid agricultural watersheds (SurfMOD)—Model description and evaluation D. Mu et al. https://doi.org/10.1016/j.jhydrol.2025.133890
- Two-dimensional differential form of distributed Xinanjiang model J. Zhao et al. https://doi.org/10.5194/hess-29-3745-2025
- GWSWEX v1.0: a dual-solver 1D unsaturated zone model for mass-conservative groundwater recharge and runoff computation in distributed hydrological modelling V. Kootanoor Sheshadrivasan & J. Langhammer https://doi.org/10.5194/gmd-19-8233-2026
- Effects of irrigation and canal networks on groundwater–land surface interactions in the middle Heihe River Basin, China Z. Lu et al. https://doi.org/10.1016/j.ejrh.2025.102532
- Evaluating the effects of topography and land use change on hydrological signatures: a comparative study of two adjacent watersheds H. Liu et al. https://doi.org/10.5194/hess-29-2109-2025
- The matrix-vector differential-form Muskingum method for river network routing J. Zhao et al. https://doi.org/10.1016/j.advwatres.2026.105300
- Routing Nutrient Concentrations in a River Reach Using an Object-Oriented Modeling Based on the Concepts of System Dynamics M. Ghashghaie et al. https://doi.org/10.1007/s41101-020-00092-8
- A 2D-SWEs framework for efficient catchment-scale simulations: Hydrodynamic scaling properties of river networks and implications for non-uniform grids generation P. Costabile & C. Costanzo https://doi.org/10.1016/j.jhydrol.2021.126306
- Is HEC-RAS 2D accurate enough for storm-event hazard assessment? Lessons learnt from a benchmarking study based on rain-on-grid modelling P. Costabile et al. https://doi.org/10.1016/j.jhydrol.2021.126962
- Evaluation of distributed and semi-distributed hydrological models in complex River Basin system, Nepal B. Budhathoki et al. https://doi.org/10.1016/j.hydres.2024.09.006
Saved (final revised paper)
Latest update: 29 Oct 2026
Short summary
Hydrologic modeling is an essential strategy for understanding and predicting natural flows. The paper introduces the design of Simulator for Hydrologic Unstructured Domains (SHUD), from the conceptual and mathematical description of hydrologic processes in a watershed to the model's computational structures. To demonstrate and validate the model performance, we employ three hydrologic experiments: the V-Catchment experiment, Vauclin's experiment, and a model study of the Cache Creek Watershed.
Hydrologic modeling is an essential strategy for understanding and predicting natural flows. The...
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