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Learning From Hydrological Models’ Challenges: A Case Study from the Nelson Basin Model Intercomparison Project
| Description: | Abstract: Intercomparison studies play an important, but limited role in understanding the usefulness and limitations of currently available hydrological models. Comparison studies are often limited to well-behaved hydrological regimes, where rainfall-runoff processes dominate the hydrological response. These efforts have not covered western Canada due to the difficulty in simulating that region’s complex cold region hydrology with varying spatiotemporal contributing areas. This intercomparison study is the first of a series of studies under the intercomparison project of the international and interprovincial transboundary Nelson-Churchill River Basin (NCRB) in North America (Nelson-MIP), which encompasses different ecozones with major areas of the non-contributing Prairie potholes, forests, glaciers, mountains, and permafrost. The performance of eight hydrological and land surface models is compared at different unregulated watersheds within the NCRB. This is done to assess the models’ streamflow performance and overall fidelity without and with calibration, to capture the underlying physics of the region and to better understand why models struggle to accurately simulate its hydrology. Results show that some of the participating models have difficulties in simulating streamflow and/or internal hydrological variables (e.g., evapotranspiration) over Prairie watersheds but most models performed well elsewhere. This stems from model structural deficiencies, despite the various models being well calibrated to observed streamflow. Some model structural changes are identified for the participating models for future improvement. The outcomes of this study offer guidance for practitioners for the accurate prediction of NCRB streamflow, and for increasing confidence in future projections of water resource supply and management. |
| Notes: | Detailed information about the different files or datasets is available in the README file. This dataset is made available under a custom license. Please refer to the LICENSE.txt file for the full terms of use. |
| Authors: | Ahmed, Mohamed Ismaiel; University of Calgary;  0000-0003-3423-7041Stadnyk, Tricia; University of Calgary; 0000-0002-2145-4963Pietroniro, Alain; University of Calgary; 0000-0001-5792-9177Awoye, Hervé; University of Calgary; 0000-0001-9890-1912Bajracharya, Ajay; University of Calgary; 0000-0001-5090-2211Mai, Juliane; University of Waterloo; 0000-0002-1132-2342Tolson, Bryan A.; University of Waterloo; 0000-0002-3092-5536Shen, Hongren; University of Waterloo; 0000-0002-5979-2159Craig, James R.; University of Waterloo; 0000-0003-2715-7166Gervais, Mark; Manitoba Hydro Sagan, Kevin; Manitoba Hydro Wruth, Shane; Manitoba Hydro Koenig, Kristina; Manitoba Hydro; 0000-0002-1570-3820Lilhare, Rajtantra; University of Northern British Columbia; 0000-0002-6913-6024Déry, Stephen J.; University of Northern British Columbia; 0000-0002-3553-8949Pokorny, Scott; Strategic Systems Engineering; 0000-0001-6665-5622Venema, Hank; Strategic Systems Engineering; 0009-0002-4909-969XMuhammad, Ameer; Associated Engineering (Sask.) Ltd.; 0000-0002-3689-5577Taheri, Mahkameh; University of Waterloo; 0000-0003-0604-5982 |
| Keywords: | hydrological model intercomparison Prairie pothole streamflow snow water equivalent actual evapotranspiration |
| Field of Research: | Earth and related environmental sciences > Hydrology > Physical and catchment hydrology
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| Publication Date: | 2023-04-19 |
| Publisher: | Federated Research Data Repository / dépôt fédéré de données de recherche |
| Funder: | Global Water Futures |
| URI: | https://doi.org/10.20383/102.0705 |
| Related Identifiers: |
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| Geographic Coverage: | Place Name Nelson-Churchill River Basin Country Canada |
| Geolocation Box: | West Longitude -117.4199999999999307 East Longitude -89.8599999999999426 North Latitude 59.5354166670000211 South Latitude 45.4695833330000809 |
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This dataset is made available under a custom license. Some of the files are available under the Creative Commons Attribution 4.0 International License (CC BY 4.0), https://creativecommons.org/licenses/by/4.0/, while others are available under the Creative Commons Attribution-NonCommercial 4.0 License (CC BY-NC 4.0), https://creativecommons.org/licenses/by-nc/4.0/. Please see the provided LICENSE.txt file for the full terms of use.
Citation
Ahmed, M., Stadnyk, T., Pietroniro, A., Awoye, H., Bajracharya, A., Mai, J., Tolson, B., Shen, H., Craig, J., Gervais, M., Sagan, K., Wruth, S., Koenig, K., Lilhare, R., Déry, S., Pokorny, S., Venema, H., Muhammad, A., Taheri, M. (2023). Learning From Hydrological Models’ Challenges: A Case Study from the Nelson Basin Model Intercomparison Project. Federated Research Data Repository. https://doi.org/10.20383/102.0705
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