Ponentes
Descripción
ABSTRACT: In this study, the objective was to adjust a hydrological model for the Rio Ibicuí basin (IRB) using the Soil and Water Assessment Tools (SWAT) model with semi-automatic calibration. The data used included streamflow, precipitation, temperature, land use map, soil types and digital elevation model. The model calibration and validation were conducted using the SWAT-CUP software, employing the Sequential Uncertainty Fitting (SUFI2) algorithm to test parameter uncertainty. The observed streamflow series from the Agência Nacional de Águas e Saneamento Básico (ANA) were divided into calibration and validation periods. The SWAT model exhibited a good fit for streamflow estimation in the IRB. In the calibration phase, the Nash-Sutcliffe Efficiency (NSE) coefficient was 0.87, and the Pbias was -14.1%. Dur-ing validation, the NSE reached 0.88, and the Pbias was -22.2%. Despite limitations in the in-put data, the results demonstrated the significant potential of the SWAT model for determin-ing streamflows in the study region. These findings hold relevance for future research and can assist water resource managers in decision-making processes. Efficient parameter calibra-tion in hydrological modeling is a crucial challenge, and the use of semi-automatic calibration with the SWAT model has shown promising outcomes.
KEYWORDS: Hydrologic modeling, Streamflow, SWAT, Pampa biome.
| Tematica | Hidrología superficial y subterránea |
|---|---|
| Tipo de Presentación Presencial o Virtual | Presencial |
