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@ARTICLE{Wright:894812,
      author       = {Wright, Corwin J. and Hindley, Neil P. and Alexander, M.
                      Joan and Holt, Laura A. and Hoffmann, Lars},
      title        = {{U}sing vertical phase differences to better resolve 3{D}
                      gravity wave structure},
      journal      = {Atmospheric measurement techniques},
      volume       = {14},
      number       = {9},
      issn         = {1867-8548},
      address      = {Katlenburg-Lindau},
      publisher    = {Copernicus},
      reportid     = {FZJ-2021-03407},
      pages        = {5873 - 5886},
      year         = {2021},
      abstract     = {Atmospheric gravity waves (GWs) are a critically important
                      dynamical mechanism in the terrestrial atmosphere, with
                      significant effects on weather and climate. They are
                      geographically ubiquitous in the middle and upper
                      atmosphere, and thus, satellite observations are key to
                      characterising their properties and spatial distribution.
                      Nadir-viewing satellite instruments characterise the short
                      horizontal wavelength portion of the GW spectrum, which is
                      important for momentum transport; however, these
                      nadir-sensing instruments have coarse vertical resolutions.
                      This restricts our ability to characterise the 3D structure
                      of these waves accurately, with important implications for
                      our quantitative understanding of how these waves travel and
                      how they drive the atmospheric circulation when they break.
                      Here, we describe, implement and test a new spectral
                      analysis method to address this problem. This method is
                      optimised for the characterisation of waves in any
                      three-dimensional data set where one dimension is of coarse
                      resolution relative to variations in the wave field, a
                      description which applies to GW-sensing nadir-sounding
                      satellite instruments but which is also applicable in other
                      areas of science. We show that our new “2D + 1 ST”
                      method provides significant benefits relative to existing
                      spectrally isotropic methods for characterising such waves.
                      In particular, it is much more able to detect regional and
                      height variations in observed vertical wavelength and able
                      to properly characterise extremely vertically long waves
                      that extend beyond the data volume.},
      cin          = {JSC},
      ddc          = {550},
      cid          = {I:(DE-Juel1)JSC-20090406},
      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:000692537200001},
      doi          = {10.5194/amt-14-5873-2021},
      url          = {https://juser.fz-juelich.de/record/894812},
}