Reference results for Geoid from Search.com.

Geoid - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Geoid

The geoid surface is irregular, unlike the reference ellipsoid which is a mathematical idealized representation of the physical Earth, but considerably smoother than ...

What is the geoid?

www.ngs.noaa.gov/GEOID/geoid_def.html

DEFINITION. There have been many definitions of the "geoid" over 150 years or so. Here is the one currently adopted at NGS: geoid: The equipotential ...

The official NGS GEOID Page

www.ngs.noaa.gov/GEOID

The National Geodetic Survey GEOID page ... The National Geodetic Survey has released updated models for transforming heights between ellipsoidal coordinates and ...

Geoid | Define Geoid at Dictionary.com

dictionary.reference.com/browse/geoid

The geoid is defined as the average level of the sea, which is thought of as extended through the continents.

Geoid | Definition of Geoid by Merriam-Webster

www.merriam-webster.com/dictionary/geoid

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What is the geoid? - NOAA's National Ocean Service

oceanservice.noaa.gov/facts/geoid.html

What is the geoid? The geoid is a model of global mean sea level that is used to measure precise surface elevations.

geoid | geology | Britannica.com

www.britannica.com/science/geoid

Geoid, model of the figure of Earth—i.e., of the planet’s size and shape—that coincides with mean sea level over the oceans and continues in continental areas ...

Geoid - Geoscience Australia

www.ga.gov.au/.../positioning-navigation/geodesy/geodetic-datums/geoid

A geoid is a three dimensional surface of equal gravity which is perpendicular to the direction of the gravity vector at all points. Since the mass distribution of ...

Geoid - definition of geoid by The Free Dictionary

www.thefreedictionary.com/geoid

In 1927, geologist William Bowie compared tidal measurements with his own mathematical estimation of the geoid to argue that sea levels along the East Coast tilt ...

Geoid Research - National Geodetic Survey

geodesy.noaa.gov/GEOID/research.shtml

The primary function of this page is to link to resources of interest in geoid research. However, we keep that interpretation rather broad. So, for example, one might ...