GIS Dictionary
Definitions for GIS terms related to operations such as analysis, GIS modeling and web-based GIS, cartography, and Esri software.
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U
- U.S. Geological Survey
- U.S. National Geodetic Survey
- UDDI
- UI
- UIControl
- UML
- unbuild parcel
- UNC
- uncertainty
- unclosed parcel
- uncommitted read
- undershoot
- undevelopable surface
- undirected network flow
- uniform list
- uninitialized flow direction
- union
- unique constraint
- unit of measure
- univariate analysis
- univariate distribution
- universal kriging
- universal polar stereographic
- Universal Soil Loss Equation
- universal time
- universe polygon
- UNIX time
- unjoined parcel
- unknown points
- unmanaged raster catalog
- update-gram
- upstream
- urban geography
- URL
- usage
- usage time
- user interface
- user name
- utility COM object
- UTM
- UVMap