Representation of agricultural conservation practices with SWAT
Identifieur interne : 000762 ( Istex/Corpus ); précédent : 000761; suivant : 000763Representation of agricultural conservation practices with SWAT
Auteurs : Mazdak Arabi ; Jane R. Frankenberger ; Bernie A. Engel ; Jeff G. ArnoldSource :
- Hydrological Processes [ 0885-6087 ] ; 2008-07-30.
English descriptors
Abstract
Results of modelling studies for the evaluation of water quality impacts of agricultural conservation practices depend heavily on the numerical procedure used to represent the practices. Herein, a method for the representation of several agricultural conservation practices with the Soil and Water Assessment Tool (SWAT) is developed and evaluated. The representation procedure entails identifying hydrologic and water quality processes that are affected by practice implementation, selecting SWAT parameters that represent the affected processes, performing a sensitivity analysis to ascertain the sensitivity of model outputs to selected parameters, adjusting the selected parameters based on the function of conservation practices, and verifying the reasonableness of the SWAT results. This representation procedure is demonstrated for a case study of a small agricultural watershed in Indiana in the Midwestern USA. The methods developed in the present work can be applied with other watershed models that employ similar underlying equations to represent hydrologic and water quality processes. Copyright © 2007 John Wiley & Sons, Ltd.
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DOI: 10.1002/hyp.6890
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ISTEX:E57700C969ABCEE064221763924C891F5F14E095Le document en format XML
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Herein, a method for the representation of several agricultural conservation practices with the Soil and Water Assessment Tool (SWAT) is developed and evaluated. The representation procedure entails identifying hydrologic and water quality processes that are affected by practice implementation, selecting SWAT parameters that represent the affected processes, performing a sensitivity analysis to ascertain the sensitivity of model outputs to selected parameters, adjusting the selected parameters based on the function of conservation practices, and verifying the reasonableness of the SWAT results. This representation procedure is demonstrated for a case study of a small agricultural watershed in Indiana in the Midwestern USA. The methods developed in the present work can be applied with other watershed models that employ similar underlying equations to represent hydrologic and water quality processes. Copyright © 2007 John Wiley & Sons, Ltd.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Mazdak Arabi</name><affiliations><json:string>Colorado State University, Department of Civil and Environmental Engineering, 1372 Campus Delivery, Fort Collins, Colorado 80523, USA</json:string><json:string>Colorado State University, Department of Civil and Environmental Engineering, 1372 Campus Delivery, Fort Collins, Colorado 80523, USA.===</json:string></affiliations></json:item><json:item><name>Jane R. Frankenberger</name><affiliations><json:string>Purdue University, Department of Agricultural and Biological Engineering, 225 S. University Street, West Lafayette, Indiana 47907, USA</json:string></affiliations></json:item><json:item><name>Bernie A. Engel</name><affiliations><json:string>Purdue University, Department of Agricultural and Biological Engineering, 225 S. 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