SWAT-Based Hydrological Modelling Using Model Selection Criteria

Bentolhoda Asl-Rousta (), S. Jamshid Mousavi (), Majid Ehtiat () and Mehdi Ahmadi ()
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Bentolhoda Asl-Rousta: Amirkabir University of Technology (Tehran Polytechnic)
S. Jamshid Mousavi: Amirkabir University of Technology (Tehran Polytechnic)
Majid Ehtiat: Ardakan University
Mehdi Ahmadi: Amirkabir University of Technology (Tehran Polytechnic)

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2018, vol. 32, issue 6, No 14, 2197 pages

Abstract: Abstract Calibration is an important step for the applicability of hydrological models as different parameter sets could produce similar results, calling for the use of appropriate performance criteria differentiating different parameter sets. This study focuses on the evaluation and comparison of SWAT-based hydrological modeling using both classical Nash Sutcliffe (NS) and the so called model selection criteria (MSC). Twelve SWAT models of the Sirwan River Basin in Iran are built based on different combinations of observed data, number of parameters and strategies used for calibration. The models are then evaluated against NS and eight MSC including AIC, AICc, AICu, CAIC, SIC, SICc, HIC and HICc, to rank the models and discriminate the most promising calibration setting from the aforementioned twelve candidate settings. Results show outperformance of MSC in terms of the robustness of the ranking outcomes both in calibration and validation phases as well as their discriminating power.

Keywords: Rainfall-runoff modeling; Calibration; Equifinality; Performance criteria (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (7)

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DOI: 10.1007/s11269-018-1925-5

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