geoidal surface
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Figure of the Earth — An oblate spheroid Geodesy … Wikipedia
geoid — geoidal, adj. /jee oyd/, n. 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. [1880 85; < Gk… … Universalium
Geoid — The geoid is that equipotential surface which would coincide exactly with the mean ocean surface of the Earth, if the oceans were in equilibrium, at rest, and extended through the continents (such as with very narrow canals). According to C.F.… … Wikipedia
Vertical deflection — The vertical deflection (deflection of the plumb line, astro geodetic deflection) at a point on the earth is a measure of how far the direction of the local gravity field has been shifted by local anomalies such as nearby mountains. (Here gravity … Wikipedia
Geodesy — (pronEng|dʒiːˈɒdɪsi [OED] ), also called geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational field, in a three dimensional time varying… … Wikipedia
Datum (geodesy) — Geodesy Fundamentals Geodesy · … Wikipedia
Cretaceous Period — Interval of geologic time from с 144 to 65 million years ago. During the Cretaceous the climate was warmer than today. In the seas, marine invertebrates flourished, and bony fishes evolved. On land, flowering plants arose, and insects, bees in… … Universalium
GRS 80 — GRS 80, or Geodetic Reference System 1980, is a geodetic reference system consisting of a global reference ellipsoid and a gravity field model.GeodesyGeodesy, also called geodetics, is the scientific discipline that deals with the measurement and … Wikipedia
EUSTATISME — On désigne par le terme d’eustatisme (ou encore d’eustasie) le phénomène responsable des variations générales du niveau moyen des mers, et l’on qualifie d’eustatique toute montée ou baisse de ce niveau lorsqu’elle a même amplitude dans toutes les … Encyclopédie Universelle
Falaises fossiles — Terrasse marine Une plate forme ou un platier rocheux fossile est nommé terrasse marine. Sommaire 1 Morpho genèse côtière Quaternaire 2 Morphologies 3 Utilisation 4 Mod … Wikipédia en Français
Terrasse marine — Une plate forme ou un platier rocheux fossile est nommé terrasse marine. Sommaire 1 Morpho genèse côtière Quaternaire 2 Morphologies 3 Utilisation 4 Mode d emploi … Wikipédia en Français
