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@ARTICLE{Krebsbach:53483,
      author       = {Krebsbach, M. and Preusse, P.},
      title        = {{S}pectral analysis of gravity wave activity in {SABER}
                      temperature data},
      journal      = {Geophysical research letters},
      volume       = {34},
      issn         = {0094-8276},
      address      = {Washington, DC},
      publisher    = {American Geophysical Union},
      reportid     = {PreJuSER-53483},
      pages        = {L03814},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {[1] Since January 2002, the SABER (Sounding of the
                      Atmosphere using Broadband Emission Radiometry) instrument
                      has performed continuous measurements from near the
                      tropopause into the thermosphere. For the time period 29
                      January 2002-31 January 2006, we spectrally analyzed time
                      series of weekly zonal root mean square gravity wave (GW)
                      amplitudes for systematic intra-annual, annual and
                      inter-annual GW activity. GWs considered have horizontal
                      wavelengths between 100 km and zonal wave number 6 and
                      vertical wavelengths between 5-30 km. Height-latitude cross
                      sections of spectral amplitudes and phases between 20 100 km
                      and 55 degrees S-55 degrees N show several relevant
                      oscillations. A strong semiannual variation is evident in
                      the high-latitude upper stratosphere/mesosphere. Annual
                      components reveal two isolated maxima at mid-latitudes in
                      both hemispheres, associated with the winter polar vortices,
                      and summertime maxima in the subtropics. Biennial amplitudes
                      in the equatorial stratosphere coincide with the descending
                      westerly shear phase and can be attributed to the
                      quasi-biennial oscillation.},
      keywords     = {J (WoSType)},
      cin          = {ICG-1},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB790},
      pnm          = {Atmosphäre und Klima},
      pid          = {G:(DE-Juel1)FUEK406},
      shelfmark    = {Geosciences, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000244202000003},
      doi          = {10.1029/2006GL028040},
      url          = {https://juser.fz-juelich.de/record/53483},
}