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@ARTICLE{Griessbach:189986,
      author       = {Griessbach, S. and Hoffmann, Lars and Spang, R. and von
                      Hobe, M. and Müller, Rolf and Riese, M.},
      title        = {{I}nfrared limb emission measurements of aerosol in the
                      troposphere and stratosphere},
      journal      = {Atmospheric measurement techniques discussions},
      volume       = {8},
      number       = {4},
      issn         = {1867-8610},
      address      = {Katlenburg-Lindau},
      publisher    = {Copernicus},
      reportid     = {FZJ-2015-02951},
      pages        = {4379 - 4412},
      year         = {2015},
      abstract     = {Altitude resolved aerosol detection in the upper
                      troposphere and lower stratosphere (UTLS) is a challenging
                      task for remote sensing instruments. Here, we introduce a
                      new method for detecting aerosol in the UTLS based on
                      infrared limb emission measurements. The method applies an
                      improved aerosol-cloud-index that indicates infrared limb
                      spectra affected by aerosol and ice clouds. For the
                      discrimination between aerosol and ice clouds we developed a
                      new method based on brightness temperature difference
                      correlations. The discrimination thresholds for the new
                      method were derived from radiative transfer simulations
                      (including scattering) and Michelson Interferometer for
                      Passive Atmospheric Sounding (MIPAS)/Envisat measurements
                      obtained in 2011. The method not only reliably separates
                      aerosol from ice clouds, but also provides characteristic
                      yet overlapping correlation patterns for volcanic ash and
                      sulfate aerosol. We demonstrate the value of the new
                      approach for volcanic ash and sulfate aerosol originating
                      from the Grímsvötn (Iceland), Puyehue-Cordón Caulle
                      (Chile) and Nabro (Eritrea) eruptions by comparing with
                      Atmospheric Infrared Sounder (AIRS) volcanic ash and SO2
                      measurements.},
      cin          = {JSC / IEK-7},
      ddc          = {550},
      cid          = {I:(DE-Juel1)JSC-20090406 / I:(DE-Juel1)IEK-7-20101013},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511)},
      pid          = {G:(DE-HGF)POF3-511},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.5194/amtd-8-4379-2015},
      url          = {https://juser.fz-juelich.de/record/189986},
}