geoid

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geoid
geoid (ˈdʒiːɔɪd) [ad. Gr. γεοειδής, adj., earthlike, f. γεο-, γῆ earth + εἶδος form: see -oid. First used in German (geoide) by Listing, Ueber unsere jetzige Kenntniss der Gestalt u. Grösze der Erde (1872).] A geometrical solid, nearly identical with the terrestrial spheroid, but having the surface ... Oxford English Dictionary
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Geoid
Shape The geoid undulation, geoid height, or geoid anomaly is the height of the geoid relative to a given ellipsoid of reference. Global Earth Models (ICGEM) Kiamehr's Geoid Home Page Geoid tutorial from Li and Gotze (964KB pdf file) Geoid tutorial at GRACE website Precise Geoid wikipedia.org
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Geoid Glacier
Geoid Glacier () is a glacier flowing south from the Thomas Heights, to the west of Ellipsoid Hill, into Blue Glacier, Victoria Land, Antarctica. The name is one of a group in the area associated with surveying applied in 1993 by the New Zealand Geographic Board, the geoid being the particular equipotential wikipedia.org
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Is the Earth round? - NOAA's National Ocean Service
While the Earth appears to be round when viewed from the vantage point of space, it is actually closer to an ellipsoid. However, even an ellipsoid does not adequately describe the Earth's unique and ever-changing shape. Our planet's diameter bulges at the equator due to the centrifugal force created by the earth's constant rotation ...
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Today's Rahu Kalam Mumbai, Maharashtra, India - mPanchang
2 days agoRahu Kalam and Rahu Timings Mumbai Rahu Kalam Today or Rahu Kaal Today, will provide the exact timings of Rahu Kaal everyday. According to Vedic Hindu Astrology, it is important to check shubh muhurat, also known as Nalla Neram in South India and Raku Kaal, also known as Rahu Kalam or Yamagandam in South India, before planning anything auspicious.
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327,000+ Jobs in Germany (77,905 new) - LinkedIn
Carhartt WIP Store Hamburg - Assistant Store Manager (m/w/d) Carhartt WIP (Work In Progress) Hamburg, Hamburg, Germany Be an early applicant 2 hours ago Technischer Assistent (m/w/d ...
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Indian Ocean Geoid Low
The Indian Ocean Geoid Low (IOGL) is a gravity anomaly in the Indian Ocean. A circular geoid low situated just south of the Indian peninsula, it is said to be the lowest geoid on Earth and its biggest gravitational anomaly, forming wikipedia.org
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Geode (disambiguation)
Geode (software), see List of Apache Software Foundation projects Bone cyst, also called a geode See also Mesophleps geodes (M. geodes), a moth Geoid GEOID wikipedia.org
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Physical geodesy
Gravity Potential fields Geoid Due to the irregularity of the Earth's true gravity field, the equilibrium figure of sea water, or the geoid, will also The separation between the geoid and the reference ellipsoid is called the undulation of the geoid, symbol . wikipedia.org
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Geodetic astronomy
ED50) or at expeditions apparent places of stars, and their proper motions precise astronomical navigation astro-geodetic geoid determination modelling represents the horizontal spatial gradient of the geoid undulation. wikipedia.org
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Geopotential
Global mean sea surface is close to one equigeopotential called the geoid. upward: where is the geopotential of the geoid. wikipedia.org
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地球的真实面貌是怎样的?
这是大地水准面(geoid)示意图,是与海平面吻合的等势面,用来表现地球引力分布。 这个面处处与铅垂线垂直,在工程、地质、GPS 定位等方面应用广泛。 http://zh.wikipedia.org/wiki/%E5%A4%A7%E5%9C%B0%E6%B0%B4%E5%87%86%E9%9D%A2 http://en.wikipedia.org/wiki/Geoid http://de.wikipedia.org/wiki/Geoid 具体到题中的图 zhihu
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Mikhail Molodenskii
His main work (since 1932) was on the geoid and its exterior gravity field or geopotential. , the traditional connection between orthometric heights H and ellipsoidal heights h, , is preserved as , where is the height anomaly (or "quasi-geoid wikipedia.org
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North American Vertical Datum of 1988
NAVD 88, along with North American Datum of 1983 (NAD 83), is set to be replaced with a new GPS- and gravimetric geoid model-based geometric reference The NAVD 88 model is based on then-available measurements, and remains fixed despite later improved geoid models. wikipedia.org
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Orthometric height
It can be related to orthometric height above the geoid by subtraction of the geoid height. data with a goal of releasing a new geoid model as part of the Datum of 2022. wikipedia.org
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