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@ARTICLE{Meilinger:39932,
      author       = {Meilinger, S. K. and Tsias, A. H. and Dreiling, V. and
                      Kuhn, M. and Feigl, C. and Schlager, H. and Curtius, J. and
                      Sierau, B. and Arnold, F. and Zöger, M. and Schiller, C.
                      and Peter, T.},
      title        = {{HNO}3 partitioning in cirrus clouds},
      journal      = {Geophysical research letters},
      volume       = {26},
      issn         = {0094-8276},
      address      = {Washington, DC},
      publisher    = {American Geophysical Union},
      reportid     = {PreJuSER-39932},
      pages        = {2207 - 2210},
      year         = {1999},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {During the 1997 POLSTAR-1 winter campaign in northern
                      Sweden a flight was performed across a cold trough of air
                      (similar or equal to 196 K) in the tropopause region.
                      Measurements of total water vapour, nitric acid, particles
                      and reactive nitrogen (NOy) were taken. The particle
                      measurements indicate that about $3\%$ of the particles in
                      the moist tropospheric air were ice particles. Forward and
                      backward facing NOy inlets were used simultaneously to
                      determine condensed phase HNO3. The combined NOy and
                      particle measurements reveal that less than $1\%$ of a
                      monolayer of NOy could have resided on the ice particles.
                      This casts doubt on the hypothesis that sedimenting cirrus
                      particles generally lead to a strong downward flux of NOy.
                      In addition to the NOy measurements, independent HNO3
                      measurements were used to determine total HNO3. Although
                      quantitative uncertainties do not allow to completely rule
                      out that the NOy uptake on ice was limited by total HNO3,
                      the combined NOy and KNO3 data suggest that there was low
                      uptake of NOy on ice despite abundant HNO3 in the gas phase.
                      Model studies indicate, that the most likely explanation of
                      the measured nitric acid partitioning is given by HNO3 in
                      ternary solution droplets coexisting with almost HNO3 free
                      ice in the same air mass.},
      keywords     = {J (WoSType)},
      cin          = {ICG-1},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB169},
      pnm          = {Stratosphärische Chemie},
      pid          = {G:(DE-Juel1)FUEK71},
      shelfmark    = {Geosciences, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000081527100044},
      doi          = {10.1029/1999GL900423},
      url          = {https://juser.fz-juelich.de/record/39932},
}