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Resonant interaction between two planetary waves as a precursor for stratospheric warmings?

Wüst, Sabine and Bittner, Michael (2011) Resonant interaction between two planetary waves as a precursor for stratospheric warmings? Journal of Atmospheric and Solar-Terrestrial Physics (73), pp. 771-778. Elsevier. doi: 10.1016/j.jastp.2011.01.004. ISSN 1364-6826.

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Stratospheric warmings are attributed to an enhanced planetary wave activity, occuring nearly each winter - at least in the northern hemisphere - with different strengths. The generation of stratospheric warmings is not totally understood. One of the most promising explanations is the interaction of planetary waves: in many cases, the amplitude of the quasi-stationary planetary wave 1 builds up, until it transmits its momentum and energy to the background wind field. The role of wave 2 is usually considered to be less important. Based on ERA-40 and DYANA temperature data (January-February 1990), we found evidence that a resonant wave-wave interaction between a travelling and a stationary wave 2 was responsible for a minor stratospheric warming in February 1990. The interaction being observed during four weeks can eventually be used as an indication for an upcoming stratospheric warming.

Item URL in elib:https://elib.dlr.de/69515/
Document Type:Article
Title:Resonant interaction between two planetary waves as a precursor for stratospheric warmings?
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Wüst, Sabinesabine.wuest (at) dlr.deUNSPECIFIED
Bittner, Michaelmichael.bittner (at) dlr.deUNSPECIFIED
Date:19 January 2011
Journal or Publication Title:Journal of Atmospheric and Solar-Terrestrial Physics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.jastp.2011.01.004
Page Range:pp. 771-778
Keywords:planetary waves, resonant wave-wave interaction, stratospheric warming, precursur
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Datenprodukte für Klima- und Atmosphärenanwendungen (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Atmosphere
Deposited By: Wagner, Karla
Deposited On:12 Apr 2011 12:33
Last Modified:24 Apr 2013 16:23

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