The following data may be used to help build your SWAT models.
Please note: we advise only using the landuse and soil maps below when nothing better is available.
The landuse maps below come in the form of zip files containing 1 or more tiles for each continent. They come in two resolutions, the originals at approximately 400 meters (at the equator) and the resampled at 800 meters. The first are a little more accurate but the they take some time to load and minipulate. You may prefer to use the resampled ones at least while you are learning or experimenting.
- Africa (original) / Africa (resampled)
- Australia/Pacific (original) / Australia/Pacific (resampled)
- Europe/Asia (original) / Europe/Asia (resampled)
- North America (original) / North America (resampled)
- South America (original) / South America (resampled)
Landuse data was constructed from the USGS Global Land Cover Characterization (GLCC) database.
World Data Grids
This is a QGIS project contained in a zip archive that allows you to graphically select the DEMs, landuse, and soil maps that you need for your location. Just unzip the archive and open the project file World_Data_Grids.qgs in QGIS.
The lookup tables (global_landuses and global_soils) are supplied with QSWAT+ in the project database, as is the soil database (global_usersoil). The landuses are all defined in the standard SWAT+ plant database, also supplied with QSWAT+