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@ARTICLE{Mann:155386,
      author       = {Mann, G. W. and Carslaw, K. S. and Reddington, C. L. and
                      Pringle, K. J. and Schulz, M. and Asmi, A. and Spracklen, D.
                      V. and Ridley, D. A. and Woodhouse, M. T. and Lee, L. A. and
                      Zhang, K. and Ghan, S. J. and Easter, R. C. and Liu, X. and
                      Stier, P. and Lee, Y. H. and Adams, P. J. and Tost, H. and
                      Lelieveld, J. and Bauer, S. E. and Tsigaridis, K. and van
                      Noije, T. P. C. and Strunk, A. and Vignati, E. and Bellouin,
                      N. and Dalvi, M. and Johnson, C. E. and Bergman, T. and
                      Kokkola, H. and von Salzen, K. and Yu, F. and Luo, G. and
                      Petzold, A. and Heintzenberg, J. and Clarke, A. and Ogren,
                      J. A. and Gras, J. and Baltensperger, U. and Kaminski, U.
                      and Jennings, S. G. and O'Dowd, C. D. and Harrison, R. M.
                      and Beddows, D. C. S. and Kulmala, M. and Viisanen, Y. and
                      Ulevicius, V. and Mihalopoulos, N. and Zdimal, V. and
                      Fiebig, M. and Hansson, H.-C. and Swietlicki, E. and
                      Henzing, J. S.},
      title        = {{I}ntercomparison and evaluation of global aerosol
                      microphysical properties among {A}ero{C}om models of a range
                      of complexity},
      journal      = {Atmospheric chemistry and physics},
      volume       = {14},
      number       = {9},
      issn         = {1680-7324},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2014-04555},
      pages        = {4679 - 4713},
      year         = {2014},
      abstract     = {Many of the next generation of global climate models will
                      include aerosol schemes which explicitly simulate the
                      microphysical processes that determine the particle size
                      distribution. These models enable aerosol optical properties
                      and cloud condensation nuclei (CCN) concentrations to be
                      determined by fundamental aerosol processes, which should
                      lead to a more physically based simulation of aerosol direct
                      and indirect radiative forcings. This study examines the
                      global variation in particle size distribution simulated by
                      12 global aerosol microphysics models to quantify model
                      diversity and to identify any common biases against
                      observations. Evaluation against size distribution
                      measurements from a new European network of aerosol
                      supersites shows that the mean model agrees quite well with
                      the observations at many sites on the annual mean, but there
                      are some seasonal biases common to many sites. In
                      particular, at many of these European sites, the
                      accumulation mode number concentration is biased low during
                      winter and Aitken mode concentrations tend to be
                      overestimated in winter and underestimated in summer. At
                      high northern latitudes, the models strongly underpredict
                      Aitken and accumulation particle concentrations compared to
                      the measurements, consistent with previous studies that have
                      highlighted the poor performance of global aerosol models in
                      the Arctic. In the marine boundary layer, the models capture
                      the observed meridional variation in the size distribution,
                      which is dominated by the Aitken mode at high latitudes,
                      with an increasing concentration of accumulation particles
                      with decreasing latitude. Considering vertical profiles, the
                      models reproduce the observed peak in total particle
                      concentrations in the upper troposphere due to new particle
                      formation, although modelled peak concentrations tend to be
                      biased high over Europe. Overall, the multi-model-mean data
                      set simulates the global variation of the particle size
                      distribution with a good degree of skill, suggesting that
                      most of the individual global aerosol microphysics models
                      are performing well, although the large model diversity
                      indicates that some models are in poor agreement with the
                      observations. Further work is required to better constrain
                      size-resolved primary and secondary particle number sources,
                      and an improved understanding of nucleation and growth (e.g.
                      the role of nitrate and secondary organics) will improve the
                      fidelity of simulated particle size distributions.},
      cin          = {IEK-8},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-8-20101013},
      pnm          = {233 - Trace gas and aerosol processes in the troposphere
                      (POF2-233)},
      pid          = {G:(DE-HGF)POF2-233},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000336739700020},
      doi          = {10.5194/acp-14-4679-2014},
      url          = {https://juser.fz-juelich.de/record/155386},
}