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... > Science Keywords > EARTH SCIENCE > CLIMATE INDICATORS > ATMOSPHERIC/OCEAN INDICATORS > TELECONNECTIONS > QUASI-BIENNIAL OSCILLATION

Preferred term

QUASI-BIENNIAL OSCILLATION  

Definition

  • A stratospheric (16 to 35 km altitude) oscillation of equatorial east-west winds which vary with a period of about 26 to 30 months or roughly 2 years; typically blowing for 12-16 months from the east, then reverse and blowing 12-16 months from the west, then back to easterly again. (en)

Broader concept

Change note

  • 2012-06-25 11:39:19.0 [mpmorahan] Insert Concept add narrower relation (QUASI-BIENNIAL OSCILLATION [ea64fa04-2822-4cc5-9014-f18ce1a1ef23,22993] - QBO [e932c1de-a7b5-4cbc-9f56-a40234334b2e,39721]);
  • 2020-02-18 08:52:14.0 [tstevens] Remove Concepts delete narrower relation (null);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/ea64fa04-2822-4cc5-9014-f18ce1a1ef23

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