Estrada, R.D.

Quintero, Marcela

Uribe, N.

CGSpace

The 3rd International Forum  on Water and Food Tshwane, South Africa November 14 – 17, 2011      Co-hosted by:     Improving Performance of SWAT Modeling in the Andes NATALIA URIBE1, MARCELA QUINTERO2 AND RUBEN ESTRADA3  1 International Center for Tropical Agriculture (CIAT), Colombia 2 International Center for Tropical Agriculture (CIAT), Peru 3 Centro Latinoamericano para el Desarrollo Rural (RIMISP), Chile n.uribe@cgiar.org  Session: Basin [Andes] and Spatial Analysis Modeling    Summary In order to improve the SWAT model simulations under the conditions of the Andean region (namely in the AN2 trial sites in the Cañete, Quijos, Fuquene and Fomeque waterbasins) it has been necessary to add some process components to the usual version of the SWAT model. These include: climate customization considering elevation bands and snow melt; growth-cycle of land/plant over with management practices based on heat units; calibration of the model using new sensitivity and uncertainty processes (i.e. the SuFi2 method).  The performance of the SWAT model has been improved by the addition of these processes and has been demonstrated to be satisfactory in application under the Andes’ regional conditions. Nevertheless, difficulties in the adjustment base-flow indicate that the limited availability of information on soil profiles and spatial distribution has compromised the performance of run-off simulations. Key Message The most recent SWAT model offers new hydrological cycle processes and tools that permit the accurate modeling of Andean watersheds. To produce optimum results using the SWAT model, it is necessary to use information about the study area derived from a wide range of disciplinary backgrounds. This ensures that the model provides a comprehensive representation of the hydrologic cycle.   International Forum on Water and Food  

Improving performance of SWAT modeling in the Andes

https://cgspace.cgiar.org/bitstream/10568/10436/1/ASSe003_ns.pdf

Improving performance of SWAT modeling in the Andes

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