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@ARTICLE{Tonttila:256575,
      author       = {Tonttila, J. and O'Connor, E. J. and Hellsten, A. and
                      Hirsikko, A. and O'Dowd, C. and Järvinen, H. and
                      Räisänen, P.},
      title        = {{T}urbulent structure and scaling of the inertial subrange
                      in a stratocumulus-topped boundary layer observed by a
                      {D}oppler lidar},
      journal      = {Atmospheric chemistry and physics},
      volume       = {15},
      number       = {10},
      issn         = {1680-7324},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2015-06450},
      pages        = {5873 - 5885},
      year         = {2015},
      abstract     = {The turbulent structure of a stratocumulus-topped marine
                      boundary layer over a 2-day period is observed with a
                      Doppler lidar at Mace Head in Ireland. Using profiles of
                      vertical velocity statistics, the bulk of the mixing is
                      identified as cloud driven. This is supported by the
                      pertinent feature of negative vertical velocity skewness in
                      the sub-cloud layer which extends, on occasion, almost to
                      the surface. Both coupled and decoupled turbulence
                      characteristics are observed. The length and timescales
                      related to the cloud-driven mixing are investigated and
                      shown to provide additional information about the structure
                      and the source of the mixing inside the boundary layer. They
                      are also shown to place constraints on the length of the
                      sampling periods used to derive products, such as the
                      turbulent dissipation rate, from lidar measurements. For
                      this, the maximum wavelengths that belong to the inertial
                      subrange are studied through spectral analysis of the
                      vertical velocity. The maximum wavelength of the inertial
                      subrange in the cloud-driven layer scales relatively well
                      with the corresponding layer depth during pronounced
                      decoupled structure identified from the vertical velocity
                      skewness. However, on many occasions, combining the analysis
                      of the inertial subrange and vertical velocity statistics
                      suggests higher decoupling height than expected from the
                      skewness profiles. Our results show that investigation of
                      the length scales related to the inertial subrange
                      significantly complements the analysis of the vertical
                      velocity statistics and enables a more confident
                      interpretation of complex boundary layer structures using
                      measurements from a Doppler lidar.},
      cin          = {IEK-8},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-8-20101013},
      pnm          = {243 - Tropospheric trace substances and their
                      transformation processes (POF3-243)},
      pid          = {G:(DE-HGF)POF3-243},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000355289200034},
      doi          = {10.5194/acp-15-5873-2015},
      url          = {https://juser.fz-juelich.de/record/256575},
}