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@ARTICLE{Kogure:884038,
      author       = {Kogure, Masaru and Yue, Jia and Nakamura, Takuji and
                      Hoffmann, Lars and Vadas, Sharon L. and Tomikawa, Yoshihiro
                      and Ejiri, Mitsumu K. and Janches, Diego},
      title        = {{F}irst {D}irect {O}bservational {E}vidence for {S}econdary
                      {G}ravity {W}aves {G}enerated by {M}ountain {W}aves {O}ver
                      the {A}ndes},
      journal      = {Geophysical research letters},
      volume       = {47},
      number       = {17},
      issn         = {1944-8007},
      address      = {Hoboken, NJ},
      publisher    = {Wiley},
      reportid     = {FZJ-2020-03059},
      pages        = {e2020GL088845},
      year         = {2020},
      abstract     = {A mountain wave with a significant brightness temperature
                      amplitude and ~500 km horizontal wavelength was observed
                      over the Andes on 24–25 July 2017 in Atmospheric Infrared
                      Sounder (AIRS)/Aqua satellite data. In the Modern‐Era
                      Retrospective Analysis for Research and Applications,
                      version 2 (MERRA‐2), reanalysis data, the intense eastward
                      wind flowed over the Andes. Visible/Infrared Imaging
                      Radiometer Suite (VIIRS)/Suomi‐NPP (National
                      Polar‐orbiting Partnership) did not detect the mountain
                      waves; however, it observed concentric ring‐like waves in
                      the nightglow emissions at ~87 km with ~100 km wavelengths
                      on the same night over and leeward of the Southern Andes. A
                      ray tracing analysis showed that the mountain waves
                      propagated to the east of the Andes, where concentric
                      ring‐like waves appeared above a region of mountain wave
                      breaking. Therefore, the concentric ring‐like waves were
                      likely secondary waves generated by momentum deposition that
                      accompanied mountain wave breaking. These results provide
                      the first direct evidence for secondary gravity waves
                      generated by momentum deposition.},
      cin          = {JSC},
      ddc          = {550},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511)},
      pid          = {G:(DE-HGF)POF3-511},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000572406100057},
      doi          = {10.1029/2020GL088845},
      url          = {https://juser.fz-juelich.de/record/884038},
}