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Proof of concept of regional scale hydrologic simulations at hydrologic resolution utilizing massively parallel computer resources
Open accessAbstract
We present the results of a unique, parallel scaling study using a 3‐D variably saturated flow problem including land surface processes that ranges from a single processor to a maximum number of 16,384 processors. In the applied finite difference framework and for a fixed problem size per processor, this results in a maximum number of approximately 8 × 10 9 grid cells (unknowns). Detailed timing information shows that the applied simulation platform ParFlow exhibits excellent parallel efficiency. This study demonstrates that regional scale hydrologic simulations on the order of 10 3 km 2 are feasible at hydrologic resolution (∼10 0–10 1 m laterally, 10−2–10−1 m vertically) with reasonable computation times, which has been previously assumed to be an intractable computational problem.
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Cited by
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Gupta, H. V., Clark, M. P., Vrugt, J. A., Abramowitz, G., & Ye, M. (2012) · Water Resources Research · doi:10.1029/2011wr011044 · Cited by 466
Physically based modeling in catchment hydrology at 50: Survey and outlook
Paniconi, C., & Putti, M. (2015) · Water Resources Research · doi:10.1002/2015wr017780 · Cited by 374
Jiang, A.-L., Lee, M.-C., Zhou, G., Zhong, D., Hawaria, D., Kibret, S., Yewhalaw, D., Sanders, B. F., Yan, G., & Hsu, K. (2021) · Scientific Reports · doi:10.1038/s41598-021-89576-8 · Cited by 14
Metadata
- Authors
- Kollet, S. J., Maxwell, R. M., Woodward, C. S., Smith, S., Vanderborght, J., Vereecken, H., & Simmer, C.
- Venue
- Water Resources Research
- Publisher
- American Geophysical Union (AGU)
- Published
- 2010-04
- Volume
- 46
- Issue
- 4
- ISSN
- 0043-1397 (ISSN-L)
- 1944-7973
- OpenAlex
- W2058602041
- Cited by
- 245
- References
- 0
- FWCI
- 11.45
- Type
- journal article
- Language
- en
- Open access
- green
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- Kollet, S. J., Maxwell, R. M., Woodward, C. S., Smith, S., Vanderborght, J., Vereecken, H., & Simmer, C. (2010). Proof of concept of regional scale hydrologic simulations at hydrologic resolution utilizing massively parallel computer resources. Water Resources Research. https://doi.org/10.1029/2009wr008730
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