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Peer-reviewed

Comparison of single-site, multi-site and multi-variable SWAT calibration strategies

Ana Clara Lazzari Franco, Debora Yumi de Oliveira, Nádia Bernardi Bonumá

Hydrological Sciences Journal · 2020

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Summary

This study compares single-site, multi-site and multi-variable SWAT calibration. The SWAT model was applied to a large basin (63 884 km2) and calibrated at a monthly time step with the SUFI-2 algorithm, using the Kling-Gupta efficiency (KGE) as the objective function. Multi-variable calibration was performed by combining streamflow and remote sensing-derived actual evapotranspiration data. Parameter transferability was also investigated, by daily time step validation. The KGE for the outlet ranged from 0.73 to 0.86, and the average KGE of all streamflow gauge stations ranged from 0.73 to 0.80, reflecting a good overall simulation performance for the monthly time step. In daily time step validation, KGE ranged from 0.62 to 0.68, and the Nash-Sutcliffe efficiency ranged from 0.40 to 0.60, fo

Source type
Peer-reviewed study
DOI
10.1080/02626667.2020.1810252
Catalogue ID
SNmokeh1o2-23olef
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