geoid wikipedia - EAS
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See all on Wikipediahttps://en.wikipedia.org/wiki/GeoidThe 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 tides were absent. This surface is extended through the continents (such as with very narrow
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See moreThe geoid surface is irregular, unlike the reference ellipsoid (which is a mathematical idealized representation of the physical Earth as an ellipsoid), but is considerably smoother than Earth's physical surface. Although
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See moreCalculating the undulation is mathematically challenging. This is why many handheld GPS receivers have built-in undulation lookup tables to determine the height above sea level.
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See moreRecent satellite missions, such as the Gravity Field and Steady-State Ocean Circulation Explorer (GOCE) and GRACE, have enabled the study of time-variable geoid signals. The first
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See moreSpherical harmonics are often used to approximate the shape of the geoid. The current best such set of spherical harmonic coefficients is EGM2020 (Earth Gravity Model 2020),
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• H. Moritz (2011). "A contemporary perspective of geoid structure". Journal of Geodetic Science. Versita. 1 (March): 82–87. Bibcode:2011JGeoS...1...82M. doi:10.2478/v10156-010-0010-7.
• "CHAPTER V PHYSICAL GEODESY". www.ngs.noaa.gov. NOAA. Retrieved 15 June...
See more• Main NGA (was NIMA) page on Earth gravity models Archived 20 June 2006 at the Wayback Machine
• International Geoid Service (IGeS) Archived 5 April 2014 at the Wayback Machine...
See moreWikipedia text under CC-BY-SA licenseWas this helpful?Thanks! Give more feedback- https://simple.wikipedia.org/wiki/Geoid
Geoid From Simple English Wikipedia, the free encyclopedia Flattened sphere (exaggerated) The geoid is a shape like the surface of the Earth. It is a 3-D geometrical shape like an orange. Shapes of this kind are called oblate spheroids, which is a kind of ellipsoid. The geoid, however, is a very special kind of oblate spheroid.
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- https://sv.wikipedia.org/wiki/Geoid
En geoid (av grekiska: geo, jord och eides, liknande) är en yta som ungefär sammanfaller med havsytans genomsnittliga nivå. Den sägs ofta vara en nära återgivning eller fysisk modell av jordens äkta form och enligt Carl Friedrich Gauss är geoiden en "matematisk bild av jorden" eller, egentligen, av dess gravitationsfält. Geodeter kan beräkna höjden hos punkter på kontinenternaova…
Wikipedia · Text under CC-BY-SA license - https://ro.wikipedia.org/wiki/GeoidSee more on ro.wikipedia.orgFiecare punct este accelerat pe Pământ la gravitatea g → {\displaystyle {\overrightarrow {g}}} . Această accelerare derivă din potențialul gravitațional W {\displaystyle W} , astfel încât: Suprafețele unde potențialul de gravitate E p = − W {\displaystyle E_{p}=-W} este constant sunt echipotențiale de gravitate. Un geoid e…
- https://cs.wikipedia.org/wiki/Geoid
Geoid je fyzikální model povrchu Země při střední hladině světových oceánů.Je definován jako ekvipotenciální plocha vůči gravitaci, to jest plocha se stejnou úrovní tíhového potenciálu, na kterou je vektor tíhového zrychlení kolmý. Hodnota W 0 geopotenciálu, kterou přijala IAU, je 62636856 m 2 s −2.. Geoid je vlastně reprezentovaný ekvipotenciální plochou ...
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- https://it.wikipedia.org/wiki/Geoide
Geoide Da Wikipedia, l'enciclopedia libera. Mappa dell'ondulazione del geoide, in metri (basata sul modello di gravità EGM96 e sull'ellissoide di riferimento WGS84)
- https://sk.wikipedia.org/wiki/Geoid
Geoid je fyzikálny model povrchu Zeme pri strednej hladine svetových oceánov.Je definovaný ako ekvipotenciálna plocha voči gravitácii, t. j. plocha s rovnakou úrovňou gravitačného potenciálu, na ktorý je vektor tiažového zrýchlenia kolmý.. Geoid, ako matematické teleso aproximujúce zemský povrch, pochádza z roku 1871 z dielne francúzskeho vedca Listinga.
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