Skip to main content
USGS - science for a changing world

Upper Midwest Gap analysis program image processing protocol


Publication Date


This document presents a series of technical guidelines by which land cover information is being extracted from Landsat Thematic Mapper data as part of the Upper Midwest Gap Analysis Program (UMGAP). The UMGAP represents a regionally coordinated implementation of the national Gap Analysis Program in the states of Michigan, Minnesota, and Wisconsin; the program is led by the U.S. Geological Survey, Environmental Management Technical Center. The protocol describes both the underlying philosophy and the operational details of the land cover classification activities being performed as part of UMGAP. Topics discussed include the hierarchical classification scheme, ground reference data acquisition, image stratification, and classification [...]



Spatial Services

ScienceBase WMS


  • Upper Midwest Environmental Sciences Center (UMESC)



Data source
Input directly
Report prepared for the U.S. Geological Survey, Environmental Management Technical Center, Onalaska, Wisconsin

Item Actions

View Item as ...

Save Item as ...

View Item...