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... > Science Keywords > EARTH SCIENCE > OCEANS > SEA SURFACE TOPOGRAPHY > DYNAMIC TOPOGRAPHY > ABSOLUTE DYNAMIC TOPOGRAPHY

Preferred term

ABSOLUTE DYNAMIC TOPOGRAPHY  

Definition

  • The absolute dynamic topography, from which the ocean's currents can be derived by geostrophy, is obtained, either by subtracting the geoid height from the altimetric Mean Sea Surface height above the reference ellipsoid, or by estimating the ocean Mean Dynamic Topography and adding it to the altimetric sea level. (en)

Broader concept

Change note

  • 2021-10-21 09:16:24.0 [tstevens] Insert Concept add broader relation (ABSOLUTE DYNAMIC TOPOGRAPHY [7e1fc68e-5a7e-4a59-8ae6-3fa15bdae12d,778237] - DYNAMIC TOPOGRAPHY [940550d2-1d9f-4c28-b9ba-857c2dc8ef95,778236]);
  • 2021-10-22 15:17:41.0 [tstevens] insert Definition (id: null text: The absolute dynamic topography, from which the ocean's currents can be derived by geostrophy, is obtained, either by subtracting the geoid height from the altimetric Mean Sea Surface height above the reference ellipsoid, or by estimating the ocean Mean Dynamic Topography and adding it to the altimetric sea level. language code: en);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/7e1fc68e-5a7e-4a59-8ae6-3fa15bdae12d

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