Definitions Edit

General Edit

A data theme refers to "[e]lectronic records and coordinates for a topic or subject."[1]

Geospatial Edit

Data themes

are comprised of one or more sets of geospatial data that have national significance, as established by federal guidance, such as hydrography (i.e., surface water features, such as lakes, ponds, streams, and rivers).[2]

Overview (Geospatial) Edit

Themes that are the core group of the most commonly used set of base data are known as framework data, which are (1) geodetic control, (2) orthoimagery, (3) elevation and bathymetry, (4) transportation, (5) hydrography, (6) cadastre, and (7) governmental units.[3]

References Edit

  1. OMB Circular No. A-16, App. D.
  2. Geospatial Information: OMB and Agencies Need to Make Coordination a Priority to Reduce Duplication, at 2.
  3. Geospatial Information and Geographic Information Systems (GIS): An Overview for Congress, at 14.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.