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@ARTICLE{Perrett:889050,
      author       = {Perrett, Jon A. and Wright, Corwin J. and Hindley, Neil P.
                      and Hoffmann, Lars and Mitchell, Nicholas J. and Preusse,
                      Peter and Strube, Cornelia and Eckermann, Stephen D.},
      title        = {{D}etermining {G}ravity {W}ave {S}ources and {P}ropagation
                      in the {S}outhern {H}emisphere by {R}ay‐{T}racing {AIRS}
                      {M}easurements},
      journal      = {Geophysical research letters},
      volume       = {48},
      number       = {2},
      issn         = {1944-8007},
      address      = {Hoboken, NJ},
      publisher    = {Wiley},
      reportid     = {FZJ-2020-05418},
      pages        = {e2020GL088621},
      year         = {2021},
      abstract     = {Gravity waves (GWs) are key drivers of atmospheric
                      circulation. Understanding their sources and propagation is
                      essential to improving weather and climate models. We apply
                      a 3D Stockwell Transform to one month of stratospheric
                      temperature data from NASA's Atmospheric InfraRed Sounder to
                      obtain 3D GW measurements and parameters. We use
                      ray‐tracing methods to determine the sources and
                      propagation characteristics of these GWs over the entire
                      Southern Ocean. We trace 1.28 million GW measurements per
                      day for the month of June 2010. Our analysis suggests that
                      ground‐based sources around the Andes, Antarctic Peninsula
                      and Kerguelen play major roles, and that the GWs generated
                      by these and other sources travel large zonal distances. We
                      show evidence that GWs propagate into the 60°S belt, a
                      possible source of ‘missing momentum flux’ in GCMs at
                      this latitude. These results emphasise the need for models
                      to incorporate the possibility that GWs can exhibit large
                      horizontal propagation.},
      cin          = {JSC / IEK-7},
      ddc          = {550},
      cid          = {I:(DE-Juel1)JSC-20090406 / I:(DE-Juel1)IEK-7-20101013},
      pnm          = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
                      (SDLs) and Research Groups (POF4-511)},
      pid          = {G:(DE-HGF)POF4-5111},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000613648800041},
      doi          = {10.1029/2020GL088621},
      url          = {https://juser.fz-juelich.de/record/889050},
}