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@ARTICLE{Trinh:280096,
      author       = {Trinh, Thai and Kalisch, Silvio and Preusse, Peter and Ern,
                      Manfred and Chun, H.-Y. and Eckermann, S. D. and Kang, M.-J.
                      and Riese, Martin},
      title        = {{T}uning of a convective gravity wave source sheme based on
                      {HIRDLS} observations},
      journal      = {Atmospheric chemistry and physics / Discussions},
      volume       = {15},
      issn         = {1680-7367},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2015-07843},
      pages        = {34325-34360},
      year         = {2015},
      abstract     = {Convection as one dominant source of atmospheric gravity
                      waves (GWs) has been in focus of investigation over recent
                      years. However, its spatial and temporal forcing scales are
                      not well known. In this work we address this open issue by a
                      systematic verification of free parameters of the Yonsei
                      convective GW source scheme based on observations from the
                      High Resolution Dynamics Limb Sounder (HIRDLS).
                      Observational constraints are taken into account by applying
                      a comprehensive observational filter on the simulated GWs.
                      By this approach, only long horizontal scale convective GWs
                      are addressed. Results show that effects of long horizontal
                      scale convective GWs can be successfully simulated by the
                      superposition of three or four combinations of parameter
                      sets reproducing the observed GW spectrum. These selected
                      parameter sets are different for northern and southern
                      summer. Although long horizontal scale waves are only part
                      of the full spectrum of convective GWs, the momentum flux of
                      these waves are found to be significant and relevant for the
                      driving of the QBO. The zonal momentum balance is considered
                      in vertical cross sections of GW momentum flux (GWMF) and GW
                      drag (GWD). Global maps of the horizontal distribution of
                      GWMF are considered and consistency between simulated
                      results and HIRDLS observations is found. The latitude
                      dependence of the zonal phase speed spectrum of GWMF and its
                      change with altitude is discussed},
      cin          = {IEK-7},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-7-20101013},
      pnm          = {244 - Composition and dynamics of the upper troposphere and
                      middle atmosphere (POF3-244) / HITEC - Helmholtz
                      Interdisciplinary Doctoral Training in Energy and Climate
                      Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-244 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.5194/acpd-15-34325-2015},
      url          = {https://juser.fz-juelich.de/record/280096},
}