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BASINS is a multi-purpose environmental analysis system that integrates a geographical information system (GIS), national watershed data, and state-of-the-art environmental assessment and modeling tools into one convenient package.

What's new in BASINS?

The most significant change in BASINS 4.0 is its use of open source GIS software architecture. This open source GIS uses standard GIS files (shapefiles, dbf, and GeoTiff) which can be easily shared between other GIS software. BASINS 4.0 includes all of the functionality of BASINS 3.1 except the AGWA and SWAT models. But unlike BASINS 3.1, it provides the ability to quickly develop and create "plug-in" functions to update or enhance the watershed analysis process and monitor the environment.

BASINS 4.0 and BASINS 3.1 can co-exist under the same /BASINS/ folder and still function properly. BASINS 4.0 includes all of the functions of BASINS 3.1 except linkages to the AGWA and SWAT models.

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