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The Relationship between Parameters of the SWAT Model and the Geomorphological Characteristics of a Watershed
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  • Journal title : Ecology and Resilient Infrastructure
  • Volume 3, Issue 1,  2016, pp.35-45
  • Publisher : Korean Society of Ecology and Infrastructure Engineering
  • DOI : 10.17820/eri.2016.3.1.035
 Title & Authors
The Relationship between Parameters of the SWAT Model and the Geomorphological Characteristics of a Watershed
Lee, Woong Hee; Lee, Ji Haeng; Park, Ji Hun; Choi, Heung Sik;
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 Abstract
The correlation relationships and their corresponding equations between the geomorphological parameters and the Soil Water Assessment Tool (SWAT) model parameters by Sequential Uncertainty Fitting - version 2 (SUFI-2) algorithm of SWAT Calibration and Uncertainty Programs (SWAT-CUP) were developed at the Seom-river experimental watershed. The parameters of the SWAT model at the Soksa-river experimental watershed were estimated by the developed equations. The SWAT model parameters were estimated by SUFI-2 algorithm of SWAT-CUP with rainfall-runoff data from the Soksa-river experimental watershed from 2000 to 2007. Rainfall-runoff simulation of the SWAT model was carried out at the Soksa-river experimental watershed from 2000 to 2007 for the applicability of the estimated parameters by the developed equations. The root mean square errors (RMSE) between the observed and the simulated rainfall-runoffs using the estimated parameters by developed equations of correlation analysis and the optimum parameters by SUFI-2 of SWAT-CUP were and respectively at the Soksa-river experimental watershed from 2000 to 2007. Therefore, it is considered that the parameter estimation of the SWAT model by the geomorphological characteristics parameters has applicability.
 Keywords
Geomorphological characteristics;Parameters;SUFI-2;SWAT-CUP;
 Language
Korean
 Cited by
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