Geographic information systems
Computer software that allows geospatially referenced data to be linked to geographic features. Use this term only for information that is about GIS and not for the use of GIS in applications and projects.
U.S. Geological Survey Community for Data Integration-NWIS Web Services Snapshot Tool for ArcGIS [ More info] Software used within GIS allowing streamflow, water level, and water quality data to be obtained on demand through the Internet.
USGS Alaska State Mosaic [ More info] Using 172 Scenes from the Multi-Resolution Land Characteristics 2001 collection geometrically and radiometrically aligned, we produced seamless, relatively cloud-free image of the entire state.
Using high-resolution digital aerial imagery to map land cover [ More info] Transition from analysis of analog film to digital photography helped this science center map surface characteristics of Federal lands.
Alphabetical Index of Topics
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