Articles | Volume 22, issue 1
Research article
08 Jan 2018
Research article |  | 08 Jan 2018

Comparison of performance of tile drainage routines in SWAT 2009 and 2012 in an extensively tile-drained watershed in the Midwest

Tian Guo, Margaret Gitau, Venkatesh Merwade, Jeffrey Arnold, Raghavan Srinivasan, Michael Hirschi, and Bernard Engel


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Discussed (final revised paper)

Latest update: 23 Mar 2023

The requested paper has a corresponding corrigendum published. Please read the corrigendum first before downloading the article.

Short summary
The new tile drainage routine in the SWAT model provided more realistic and accurate simulation of tile drainage, and the new curve number retention parameter adjustment factor improved surface runoff simulation, and is suitable for surface runoff simulation in mildly sloped watersheds. This study can provide guidance for selection of tile drainage routines for tile drainage simulation, and can allow accurate simulation of hydrological systems at both field and watershed scales.