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  • 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 winds and tides were absent
  • What is a Geoid? Why do we use it and where does its shape come from?
    A geoid is the irregular-shaped “ball” that scientists use to more accurately calculate depths of earthquakes, or any other deep object beneath the earth’s surface Currently, we use the “WGS84” version (World Geodetic System of 1984)
  • What is the geoid? - National Oceanic and Atmospheric Administration
    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 are perfect in the realization of that definition
  • 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 the pull of gravity and approximates the shape of a regular oblate spheroid (i e , a flattened sphere)
  • What is the geoid? - NOAAs National Ocean Service
    What is the geoid? The geoid is a model of global mean sea level that is used to measure precise surface elevations 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
  • Geoid - Simple English Wikipedia, the free encyclopedia
    The geoid is the shape that the surface of the oceans would take under the influence of Earth's gravitation and rotation alone, in the absence of other influences such as winds and tides
  • What Is Geoid In Geography? Understanding the Earth’s Shape
    Geoid is defined as an equipotential surface of the Earth’s gravity field that coincides with the mean sea level It is an imaginary surface that closely approximates the shape of the Earth, taking into account the irregularities in the distribution of mass within the Earth
  • The Geoid – Hypothetical Mean Sea Level - GIS Geography
    The geoid measures mean sea level and gravity The GRACE and GOCE satellites are providing the most accurate measurements of the geoid to this date
  • Geoid Explained
    The geoid 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 winds and tide s were absent This surface is extended through the continent s (such as might be approximated with very narrow hypothetical canal s)
  • The geoid, ellipsoid, spheroid, and datum, and how they are . . . - Esri
    The geoid is defined as the surface of the earth's gravity field, which is approximately the same as mean sea level It is perpendicular to the direction of gravity pull





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