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The North American Vertical Datum of 1988 (NAVD 88) is the vertical datum for orthometric heights established for vertical control surveying in the United States of America based upon the General Adjustment of the North American Datum of 1988.
- North American Datum
Vertical measurements, based on distances above or below...
- Vertical datum
United States: National Geodetic Vertical Datum of 1929,...
- North American Datum
Jul 12, 2018 · NAVD 88 is the vertical control datum established by the Canadian-Mexican-United States leveling observations in 1991. It fixes the height of the primary tidal bench mark at Father Point/Rimouski, Quebec, Canada, and is the official vertical datum for the Conterminous United States and Alaska.
Nov 4, 2020 · Learn how the NAVD 88 was created and why it is important for national projects involving height measurement. The article traces the history of geodetic surveying and leveling in the U.S. from 19th to 20th century.
Mar 5, 2020 · Learn about the vertical control datum for surveying in the US based on the North American Datum of 1988. It replaces the NGVD of 1929 and was last updated in 2020.
The North American Vertical Datum of 1988 (NAVD 88) is a geodetic reference system used for measuring elevations in North America. It replaced the older National Geodetic Vertical Datum of 1929 (NGVD 29) and provides a standardized framework for mapping and surveying projects.
