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... > Science Keywords > EARTH SCIENCE > CLIMATE INDICATORS > ATMOSPHERIC/OCEAN INDICATORS > TELECONNECTIONS > ARCTIC OSCILLATION

Preferred term

ARCTIC OSCILLATION  

Definition

  • The Arctic Oscillation (AO) is the dominant pattern of non-seasonal sea-level pressure (SLP) variations north of 20N, and it is characterized by SLP anomalies of one sign in the Arctic and anomalies of opposite sign centered about 37-45N. Additional information is available for the Arctic Oscillation (AO) and for the North Atlantic Oscillation (NAO), a close relative of the AO (http://jisao.washington.edu/ao/) (en)

Broader concept

Change note

  • 2012-06-25 10:36:53.0 [mpmorahan] Insert Concept add narrower relation (ARCTIC OSCILLATION [98e5a7e4-b946-474a-8214-c1b7b3e5f976,22325] - AO [a135fceb-cf13-4186-9ad3-8d5db82312c9,39703]);
  • 2020-02-14 14:11:38.0 [tstevens] Remove Concepts delete narrower relation (null);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/98e5a7e4-b946-474a-8214-c1b7b3e5f976

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