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

Preferred term

MEAN DYNAMIC TOPOGRAPHY  

Definition

  • The mean dynamic topography (MDT) is the height of the time-mean sea surface above the geoid. Its slope reveals the magnitude and direction of ocean surface geostrophic currents; hence, it is a surface representation of the ocean's mean circulation. (en)

Broader concept

Change note

  • 2021-10-21 09:16:39.0 [tstevens] Insert Concept add broader relation (MEAN DYNAMIC TOPOGRAPHY [cf89619d-c67d-43f0-a217-c8684ce7c984,778238] - DYNAMIC TOPOGRAPHY [940550d2-1d9f-4c28-b9ba-857c2dc8ef95,778236]);
  • 2021-10-22 15:19:22.0 [tstevens] insert Definition (id: null text: The mean dynamic topography (MDT) is the height of the time-mean sea surface above the geoid. Its slope reveals the magnitude and direction of ocean surface geostrophic currents; hence, it is a surface representation of the ocean's mean circulation. language code: en);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/cf89619d-c67d-43f0-a217-c8684ce7c984

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