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Digital Elevation Model Standards

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Available Documents	Version Date	Available Formats
Standards for Digital Elevation Models Contains preliminary pages and pages that briefly describe the various changes that have been made to the standard. (5 p., 11KB, PDF)	01/1998	Download the latest Adobe Reader
Part 1: General, Standards for Digital Elevation Models Identifies and provides a general overview of the characteristics of the five different Digital Elevation Model (DEM) product types. This part describes horizontal coordinate systems, units of coverage, elevation units, profile spacing (horizontal grid spacing), and data order of DEM data. (17 p., 97KB, PDF)	08/1997
Part 2: Specifications, Standards for Digital Elevation Models Defines specifications for data accuracy, classification levels, format, geometry, areas of constant elevation, data records, horizontal and vertical datums, and geographic reference systems for DEM products. (70 p., 207KB, PDF)	01/1998
Part 3: Quality Control, Standards for Digital Elevation Models Identifies several procedures for accuracy verification and editing that are mandatory during a quality control check of DEM data. (10 p., 23KB, PDF)	08/1997

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