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Digital Elevation Model Standards

Help -- Instructions

Available Documents Version Date Available Formats
1-Meter Digital Elevation Model
Provides specifications about the processing and quality control of the 1-meter digital elevation model (DEM) dataset produced for The National Map.
(36 p., 2.4MB, PDF)
2015 PDF Document
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 PDF Document
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 PDF Document
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 PDF Document
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 PDF Document

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