A QGIS-based graphical user interface for application and evaluation of SWAT-MODFLOW models

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    Seonggyu Park, Colorado State Univ, Colorado State University, Dept Civil & Environm Engn,
  • Anders Nielsen
  • Ryan T. Bailey, Colorado State Univ, Colorado State University, Dept Civil & Environm Engn,
  • Dennis Trolle
  • Katrin Bieger, Texas A&M AgriLife, Blackland Res & Extens Ctr

This article presents QSWATMOD, a QGIS-based graphical user interface for application and evaluation of SWAT-MODFLOW models. QSWATMOD includes: (i) pre-processing modules to prepare input data for model execution, (ii) configuration modules for SWAT-MODFLOW options, and (iii) post-processing modules to view and interpret model results. QSWATMOD, written in Python, creates linkage files between SWAT and MODFLOW models, runs a simulation, and displays results within the open source Quantum Geographic Information System (QGIS) environment. QSWATMOD is equipped with functionalities that assist in storing and retrieving user and default configuration settings and parameter values, performing the linkage and simulation processes, and uses various geo-processing functionalities (e.g., selection, intersection, union) of QGIS. The use of QSWATMOD is demonstrated through an application to the 471 km(2) Middle Bosque River Watershed in central Texas. As the number of SWAT-MODFLOW users grows worldwide, QSWATMOD can be a valuable tool to assist in creating and managing SWAT-MODFLOW projects.

OriginalsprogEngelsk
TidsskriftEnvironmental Modelling & Software
Vol/bind111
Sider (fra-til)493-497
Antal sider5
ISSN1364-8152
DOI
StatusUdgivet - jan. 2019

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