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Geoid

en.wikipedia.org/wiki/Geoid

The geoid is the shape that the surface of the oceans would take under the influence of Earth's ... Being an equipotential surface, the geoid is by definition a surface to which the force of gra...

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

oceanservice.noaa.gov/facts/geoid.html

A depiction of the United States geoid. Areas in yellow and orange have a slightly stronger gravity field as a result of the Rocky Mountains. While we often think ...

Geoid | Define Geoid at Dictionary.com

www.dictionary.com/browse/geoid

Geoid definition, an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents. See more.

1-Mean Sea Level, GPS, and the Geoid - Esri

www.esri.com/news/arcuser/0703/geoid1of3.html

However, even the most mathematically sophisticated geoid can only ... By definition, the geoid describes the irregular shape of the earth and is the true zero  ...

geoid | geology | Britannica.com

www.britannica.com/science/geoid

Nov 24, 2015 ... Mathematically speaking, the geoid is an equipotential surface; that is, ... Flattening (f) is defined as the difference in magnitude between the ...

The Geoid: Why a map of Earth's gravity yields a potato-shaped planet

blogs.scientificamerican.com/observations/the-geoid-why-a-map-of-earths-gravity-yields-a-potato-shaped-planet/

Apr 1, 2011 ... Then wherever you go, the level would be exactly parallel to the geoid at that place. Yet another equivalent definition: it is a surface that's ...

Geoid - definition of geoid by The Free Dictionary

www.thefreedictionary.com/geoid

Define geoid. geoid synonyms, geoid pronunciation, geoid translation, English dictionary definition of geoid. n. The hypothetical surface of the earth that ...

Mean Sea Level, GPS, and the Geoid

www.wou.edu/las/physci/taylor/g492/geoid.pdf

of the geoid. By definition, the geoid describes the irregular shape of the earth and is the true zero surface for measuring elevations. Because the geoid surface  ...

Geoid - Geoscience Australia

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

To convert ellipsoidal heights to geoid/AHD heights, a geoid model can be used. ... An accurate definition of the geoid is severely constrained in Antarctica by ...

Geoid | Definition of Geoid by Merriam-Webster

www.merriam-webster.com/dictionary/geoid

the surface within or around the earth that is everywhere normal to the direction of gravity and coincides with mean sea level in the oceans ...

Answers
ge·oid
[jee-oid]
NOUN
1.
an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents.
2.
the geometric figure formed by this surface, an ellipsoid flattened at the poles.
Source: Dictionary.com
geoid | Define geoid at Dictionary.com
dictionary.reference.com/browse/geoid
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