Yahoo Web Search

    • Image courtesy of slideshare.net

      slideshare.net

      • 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.
      en.wikipedia.org/wiki/North_American_Vertical_Datum_of_1988
  1. People also ask

    What does NAVD stand for?

    What is NAVD elevation?

    What is NGVD 29?

    What is NAVD 88?

  2. North American Vertical Datum of 1988 - Wikipedia

    en.wikipedia.org/wiki/North_American_Vertical...

    North American Vertical Datum of 1988 (NAVD 88) consists of a leveling network on the North American Continent, ranging from Alaska, through Canada, across the United States, affixed to a single origin point on the continent.

  3. North American Vertical Datum of 1988 — Wikipedia Republished ...

    wiki2.org/en/North_American_Vertical_Datum_of_1988

    The North American Vertical Datum of 1988 (NAVD 88) is the vertical control datum of orthometric height established for vertical control surveying in the United States of America based upon the General Adjustment of the North American Datum of 1988.

  4. North American Datum - Wikipedia

    en.wikipedia.org/wiki/North_American_Datum

    Vertical measurements, based on distances above or below Mean High Water (MHW), are calculated using the North American Vertical Datum of 1988 (NAVD 88). [1] NAD 83, along with NAVD 88, is set to be replaced with a new GPS - and gravimetric geoid model-based geometric reference frame and geopotential datum in 2022 .

  5. North American Vertical Datum of 1988 - The Full Wiki

    www.thefullwiki.org/North_American_Vertical...

    The North American Vertical Datum of 1988 (NAVD 88) is the vertical control datum established for vertical control surveying in the United States of America based upon the General Adjustment of the North American Datum of 1988.

  6. Talk:North American Vertical Datum of 1988 - Wikipedia

    en.wikipedia.org/wiki/Talk:North_American...

    The North American Vertical Datum of 1988 is a vertical control datum for surveying and not a measure of elevation relative to local mean sea level. Flood zone designations should be unaffected by the choice of vertical datum.

  7. VERTCON - Wikipedia

    en.wikipedia.org/wiki/VERTCON

    VERTCON is a computer program that computes the modeled difference in orthometric height between the North American Vertical Datum of 1988 (NAVD 88) and the National Geodetic Vertical Datum of 1929 (NGVD 29) for a location in the contiguous United States. The parameters required are the latitude and longitude...

  8. North American Vertical Datum of 1988

    enacademic.com/dic.nsf/enwiki/6629442

    v · datum of orthometric height established for vertical control surveying in the United States of America based upon the General Adjustment of the North American Datum of 1988. The NAVD 88 was established in 1991 by the minimum-constraint adjustment of geodetic leveling observations in Canada, the United States, and Mexico.

  9. Vertical datum - Wikipedia

    en.wikipedia.org/wiki/Vertical_datum

    Netherlands: Amsterdam Ordnance Datum, was also used by Prussia; Switzerland: Metres above the Sea; United States: National Geodetic Vertical Datum of 1929, North American Vertical Datum of 1988, and the difference of the two in VERTCON; See also

  10. North American Vertical Datum of 1988 (NAVD 88) - Vertical ...

    www.ngs.noaa.gov/datums/vertical/north-american...

    North American Vertical Datum of 1988 (NAVD 88) consists of a leveling network on the North American Continent, ranging from Alaska, through Canada, across the United States, affixed to a single origin point on the continent. In 1993 NAVD 88 was affirmed as the official vertical datum in...

  11. National Geodetic Vertical Datum of 1929 - Wikipedia

    en.wikipedia.org/wiki/National_Geodetic_Vertical...

    NGVD29 was superseded by the North American Vertical Datum of 1988 (NAVD 88), based upon reference to a single benchmark (referenced to the new International Great Lakes Datum of 1985 local mean sea level height value), although many cities and U.S. Army Corps of Engineers projects with established data continued to use the older datum.