
Geoid - Wikipedia
The geoid (/ ˈdʒiː.ɔɪd / JEE-oyd) is the shape that the ocean surface would take under the influence of the gravity of Earth, including gravitational attraction and Earth's rotation, if other influences such as …
What is a Geoid? Why do we use it and where does its shape ...
The geoid is an imaginary sea level surface that undulates (has a wavy surface) over all of the earth; it isn’t just for the oceanic areas, it also extends through the land masses.
Geoid | Definition & Examples | Britannica
Geoid, model of Earth’s size and shape that coincides with mean sea level over the oceans and continues in continental areas as an imaginary sea-level surface. It is everywhere perpendicular to …
What is the geoid? - National Oceanic and Atmospheric ...
Jan 30, 2001 · geoid: The equipotential surface of the Earth’s gravity field which best fits, in a least squares sense, global mean sea level. Even though we adopt a definition, that does not mean we …
Geoid (geology) | Geology | Research Starters - EBSCO
The geoid is a concept in geology that represents the shape of the Earth's mean sea level across the globe, extending over oceans and under continents. It is not a perfect ellipsoid; rather, it diverges …
How gravity shapes Earth - Visuals by earth online
The geoid is the surface of an ideal global ocean in the absence of tides and currents, shaped only by gravity. The colours in the image represent deviations in height from an ideal geoid.
Geoid: Earth's Gravity-Defined Reference Surface | Mapular
The geoid is the equipotential surface of Earth's gravity field that best approximates global mean sea level. It serves as the reference surface for measuring orthometric heights (elevations) and accounts …