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@ARTICLE{Griessbach:818205,
      author       = {Griessbach, Sabine and Hoffmann, Lars and Spang, Reinhold
                      and von Hobe, Marc and Müller, Rolf and Riese, Martin},
      title        = {{I}nfrared limb emission measurements of aerosol in the
                      troposphere and stratosphere},
      journal      = {Atmospheric measurement techniques},
      volume       = {9},
      number       = {9},
      issn         = {1867-8548},
      address      = {Katlenburg-Lindau},
      publisher    = {Copernicus},
      reportid     = {FZJ-2016-04696},
      pages        = {4399 - 4423},
      year         = {2016},
      abstract     = {Altitude-resolved aerosol detection in the upper
                      troposphere and lower stratosphere (UTLS) is a challenging
                      task for remote sensing instruments. Infrared limb emission
                      measurements provide vertically resolved global measurements
                      at day- and nighttime in the UTLS. For
                      high-spectral-resolution infrared limb instruments we
                      present here a new method to detect aerosol and separate
                      between ice and non-ice particles. The method is based on an
                      improved aerosol–cloud index that identifies infrared limb
                      emission spectra affected by non-ice aerosol or ice clouds.
                      For the discrimination between non-ice aerosol and ice
                      clouds we employed brightness temperature difference
                      correlations. The discrimination thresholds for this method
                      were derived from radiative transfer simulations (including
                      scattering) and Michelson Interferometer for Passive
                      Atmospheric Sounding (MIPAS)/Envisat measurements obtained
                      in 2011. We demonstrate the value of this approach for
                      observations of volcanic ash and sulfate aerosol originating
                      from the Grímsvötn (Iceland, 64° N), Puyehue–Cordón
                      Caulle (Chile, 40° S), and Nabro (Eritrea, 13° N)
                      eruptions in May and June 2011 by comparing the MIPAS
                      volcanic aerosol detections 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) / 244 - Composition and dynamics of the upper
                      troposphere and middle atmosphere (POF3-244)},
      pid          = {G:(DE-HGF)POF3-511 / G:(DE-HGF)POF3-244},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000383964700002},
      doi          = {10.5194/amt-9-4399-2016},
      url          = {https://juser.fz-juelich.de/record/818205},
}