Reconstructing the quasi-biennial oscillation back to the early 1900s

Brönnimann, Stefan, Annis, Jeffrey L., Vogler, Christian and Jones, Phil D. ORCID: (2007) Reconstructing the quasi-biennial oscillation back to the early 1900s. Geophysical Research Letters, 34 (22). ISSN 0094-8276

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The quasi-biennial oscillation (QBO) is important for understanding the dynamical and chemical variability of the global stratosphere. Currently available wind data from the equatorial stratosphere extend back to 1953. Here we present reconstructions of the QBO extending back to 1900 that can be used to constrain climate model simulations. The reconstructions are based on historical pilot balloon data as well as hourly sea-level pressure (SLP) data from Jakarta, Indonesia. The latter were used to extract the signal of the solar semi-diurnal tide in the middle atmosphere, which is modulated by the QBO. The reconstructions are in good agreement with the QBO signal extracted from historical total ozone data extending back to 1924. Further analyses suggest that the maximum phases of the QBO are captured relatively well after about 1910.

Item Type: Article
Uncontrolled Keywords: sdg 13 - climate action ,/dk/atira/pure/sustainabledevelopmentgoals/climate_action
Faculty \ School: Faculty of Science > School of Environmental Sciences
Depositing User: Rosie Cullington
Date Deposited: 25 Jul 2011 13:57
Last Modified: 24 Oct 2022 01:17
DOI: 10.1029/2007GL031354

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