National Geodetic Vertical Datum (NGVD) definition

National Geodetic Vertical Datum (NGVD) means, as corrected in 1929, a vertical control used as a reference for establishing varying elevations within the floodplain.
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National Geodetic Vertical Datum (NGVD) means the national vertical datum, whose standard was established in 1929, which is used by the National Flood Insurance Program (NFIP). NGVD was based upon mean sea level in 1929 and also has been called “1929 Mean Sea Level (MSL)”.
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National Geodetic Vertical Datum (NGVD) means elevations referenced to mean sea level datum of the 1929 or 1988 U.S. Geological Survey.
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Examples of National Geodetic Vertical Datum (NGVD) in a sentence

  • National Geodetic Vertical Datum (NGVD) - means the national vertical datum, whose standard was established in 1929, which is used by the National Flood Insurance Program (NFIP).

  • This elevation is generally not referenced to the National Geodetic Vertical Datum (NGVD) or any other established datum and is used in areas where Mean Sea Level data is too far from a specific site to be practically used.

  • This elevation is generally not referenced to the National Geodetic Vertical Datum (NGVD), North American Vertical Datum (NAVD) or any other established datum and is used in areas where Mean Sea Level data is too far from a specific site to be practically used.

  • This elevation is generally not referenced to the National Geodetic Vertical Datum (NGVD), North American Vertical Datum (NAVD), or any other established datum and is used in areas where Mean Sea Level data is too far from a specific site to be practically used.

  • The elevation of the base flood, including wave height, relative to the National Geodetic Vertical Datum (NGVD), North American Vertical Datum (NAVD) or other datum specified on the Flood Insurance Rate Map (FIRM).

  • National Geodetic Vertical Datum (NGVD) - the national vertical datum, a standard established in 1929, which is used by the National Flood Insurance Program (NFIP).

  • Water surface elevation means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, (or other datum, where specified) of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas.

  • National Geodetic Vertical Datum (NGVD) as corrected in 1929 is a vertical control used as a reference for establishing varying elevations within the floodplain.

  • The Waning Influence of the Pandemic on Decision MakingJeffrey E.

  • All elevations shall refer to the National Geodetic Vertical Datum (NGVD) of 1929.

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