Publication Abstracts

Klein et al. 2009

Klein, S.A., R.B. McCoy, H. Morrison, A.S. Ackerman, A. Avramov, G. de Boer, M. Chen, J.N.S. Cole, A.D. Del Genio, M. Falk, M.J. Foster, A. Fridlind, J.-C. Golaz, T. Hashino, J.Y. Harrington, C. Hoose, M.F. Khairoutdinov, V.E. Larson, X. Liu, Y. Luo, G.M. McFarquhar, S. Menon, R.A.J. Neggers, S. Park, M.R. Poellot, J.M. Schmidt, I. Sednev, B.J. Shipway, M.D. Shupe, D.A. Spangenberg, Y.C. Sud, D.D. Turner, D.E. Veron, K. von Salzen, G.K. Walker, Z. Wang, A.B. Wolf, S. Xie, X.-M. Xu, F. Yang, and G. Zhang, 2009: Intercomparison of model simulations of mixed-phase clouds observed during the ARM Mixed-Phase Arctic Cloud Experiment. Part I: Single-layer cloud. Q. J. Roy. Meteorol. Soc., 135, no. 641, 979-1002, doi:10.1002/qj.416.

Results are presented from an intercomparison of single-column and cloud-resolving model simulations of a cold-air outbreak mixed-phase stratocumulus cloud observed during the Atmospheric Radiation Measurement (ARM) program's Mixed-Phase Arctic Cloud Experiment. The observed cloud occurred in a well-mixed boundary layer with a cloud top temperature of -15°C. The average liquid water path of around 160 g/m2 was about two-thirds of the adiabatic value and far greater than the average mass of ice which when integrated from the surface to cloud top was around 15 g/m2.

Simulations of seventeen single-column models (SCMs) and nine cloud-resolving models (CRMs) are compared. While the simulated ice water path is generally consistent with observed values, the median SCM and CRM liquid water path is a factor of three smaller than observed. Results from a sensitivity study in which models removed ice microphysics suggest that in many models the interaction between liquid and ice-phase microphysics is responsible for the large model underestimate of liquid water path.

Despite this underestimate, the simulated liquid and ice water paths of several models are consistent with observed values. Furthermore, models with more sophisticated microphysics simulate liquid and ice water paths that are in better agreement with the observed values, although considerable scatter exists. Although no single factor guarantees a good simulation, these results emphasize the need for improvement in the model representation of mixed-phase microphysics.

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BibTeX Citation

  author={Klein, S. A. and McCoy, R. B. and Morrison, H. and Ackerman, A. S. and Avramov, A. and de Boer, G. and Chen, M. and Cole, J. N. S. and Del Genio, A. D. and Falk, M. and Foster, M. J. and Fridlind, A. and Golaz, J.-C. and Hashino, T. and Harrington, J. Y. and Hoose, C. and Khairoutdinov, M. F. and Larson, V. E. and Liu, X. and Luo, Y. and McFarquhar, G. M. and Menon, S. and Neggers, R. A. J. and Park, S. and Poellot, M. R. and Schmidt, J. M. and Sednev, I. and Shipway, B. J. and Shupe, M. D. and Spangenberg, D. A. and Sud, Y. C. and Turner, D. D. and Veron, D. E. and von Salzen, K. and Walker, G. K. and Wang, Z. and Wolf, A. B. and Xie, S. and Xu, X.-M. and Yang, F. and Zhang, G.},
  title={Intercomparison of model simulations of mixed-phase clouds observed during the ARM Mixed-Phase Arctic Cloud Experiment. Part I: Single-layer cloud},
  journal={Q. J. Roy. Meteorol. Soc.},

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RIS Citation

ID  - kl01000b
AU  - Klein, S. A.
AU  - McCoy, R. B.
AU  - Morrison, H.
AU  - Ackerman, A. S.
AU  - Avramov, A.
AU  - de Boer, G.
AU  - Chen, M.
AU  - Cole, J. N. S.
AU  - Del Genio, A. D.
AU  - Falk, M.
AU  - Foster, M. J.
AU  - Fridlind, A.
AU  - Golaz, J.-C.
AU  - Hashino, T.
AU  - Harrington, J. Y.
AU  - Hoose, C.
AU  - Khairoutdinov, M. F.
AU  - Larson, V. E.
AU  - Liu, X.
AU  - Luo, Y.
AU  - McFarquhar, G. M.
AU  - Menon, S.
AU  - Neggers, R. A. J.
AU  - Park, S.
AU  - Poellot, M. R.
AU  - Schmidt, J. M.
AU  - Sednev, I.
AU  - Shipway, B. J.
AU  - Shupe, M. D.
AU  - Spangenberg, D. A.
AU  - Sud, Y. C.
AU  - Turner, D. D.
AU  - Veron, D. E.
AU  - von Salzen, K.
AU  - Walker, G. K.
AU  - Wang, Z.
AU  - Wolf, A. B.
AU  - Xie, S.
AU  - Xu, X.-M.
AU  - Yang, F.
AU  - Zhang, G.
PY  - 2009
TI  - Intercomparison of model simulations of mixed-phase clouds observed during the ARM Mixed-Phase Arctic Cloud Experiment. Part I: Single-layer cloud
JA  - Q. J. Roy. Meteorol. Soc.
VL  - 135
IS  - 641
SP  - 979
EP  - 1002
DO  - 10.1002/qj.416
ER  -

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