Andrew S. Ackerman

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Andrew S. Ackerman

  • (AST,ATMOSPHERIC CHEMISTRY & DYNAMIC)
  • 212.678.5675
  • NASA/GSFC
  • Mail Code: 611
  • Employer: NASA
  • Education

    Ph.D., Atmospheric Sciences, University of Washington, 1994
    B.S., Applied and Engineering Physics, Cornell University, 1984

    Positions/Employment

    2005 - Present

    Physical Scientist

    NASA, Goddard Institute for Space Studies  
    1999 - 2005

    Physical Scientist

    NASA, Ames Research Center  
    1997 - 1999

    Research Associate

    University of Colorado, NASA Ames Research Center  
    1994 - 1997

    Resident Associate

    National Research Councel, NASA Ames Research Center  
    1987 - 1994

    Research Assistant

    University of Washington, Seattle  
    1989 - 1989

    Teaching Assistant

    University of Washington, Seattle  
    1985 - 1987

    Computer Facilities Manager

    Alliance Technology Corporation, Bedford, Massachusetts  
    1984 - 1985

    Research Technician

    Deutches Elektronen-Synchrotron, Hamburg, Germany  
    1983 - 1984

    Computer Programmer

    Physics Department, Cornell University  

    Publications

    Refereed

    Van Diedenhoven, B., A. S. Ackerman, B. Cairns, and A. M. Fridlind. 2014. "A Flexible Parameterization for Shortwave Optical Properties of Ice Crystals." J. Atmos. Sci., 71 (5): 1763-1782 [10.1175/JAS-D-13-0205.1]

    Ovchinnikov, M., A. S. Ackerman, A. Avramov, et al. A. Cheng, J. Fan, A. M. Fridlind, S. Ghan, J. Harrington, C. Hoose, A. Korolev, G. M. McFarquhar, H. Morrison, M. Paukert, J. Savre, B. J. Shipway, M. D. Shupe, A. Solomon, and K. Sulia. 2014. "Intercomparison of large-eddy simulations of Arctic mixed-phase clouds: Importance of ice size distribution assumptions." J. Adv. Model. Earth Syst., 6 (1): 223-248 [10.1002/2013MS000282]

    Van der Dussen, J. J., S. R. de Roode, A. S. Ackerman, et al. P. N. Blossey, C. S. Bretherton, M. J. Kurowski, A. P. Lock, R. A. Neggers, I. Sandu, and A. P. Siebesma. 2013. "The GASS/EUCLIPSE model intercomparison of the stratocumulus transition as observed during ASTEX: LES results." J. Adv. Model. Earth Syst., 5: 483-499 [10.1002/10.1002/jame.20033]

    van Diedenhoven, B., B. Cairns, A. M. Fridlind, A. S. Ackerman, and T. J. Garrett. 2013. "Remote sensing of ice crystal asymmetry parameter using multi-directional polarization measurements – Part 2: Application to the Research Scanning Polarimeter." Atmos. Chem. Phys., 13 (6): 3185-3203 [10.5194/acp-13-3185-2013]

    van Diedenhoven, B., A. M. Fridlind, A. S. Ackerman, and B. Cairns. 2012. "Evaluation of Hydrometeor Phase and Ice Properties in Cloud-Resolving Model Simulations of Tropical Deep Convection Using Radiance and Polarization Measurements." J Atmos Sci, 69 (11): 3290-3314 [10.1175/JAS-D-11-0314.1]

    Zhang, Z., A. S. Ackerman, G. Feingold, et al. S. Platnick, R. Pincus, and H. Xue. 2012. "Effects of cloud horizontal inhomogeneity and drizzle on remote sensing of cloud droplet effective radius: Case studies based on large-eddy simulations." J Geophys Res, 117 (D19): D19208 [10.1029/2012JD017655]

    van Diedenhoven, B., B. Cairns, I. V. Geogdzhayev, et al. A. M. Fridlind, A. S. Ackerman, P. Yang, and B. A. Baum. 2012. "Remote sensing of ice crystal asymmetry parameter using multi-directional polarization measurements. Part I: Methodology and evaluation with simulated measurements." Atmos Meas Tech, 5 (10): 2361-2374 [10.5194/amt-5-2361-2012]

    Smith Mrowiec, A. A., C. Rio, A. M. Fridlind, et al. A. S. Ackerman, A. Del Genio, O. M. Pauluis, A. C. Varble, and J. Fan. 2012. "Analysis of cloud-resolving simulations of a tropical mesoscale convective system observed during TWP-ICE: Vertical fluxes and draft properties in convective and stratiform regions." J Geophys Res, 117 (D19): D19201 [10.1029/2012JD017759]

    Marley, M. S., D. Daumon, M. Cushing, et al. A. S. Ackerman, J. J. Fortney, and R. Freedman. 2012. "Masses, Radii, and Cloud Properties of the HR 8799 Planets." Astrophys J, 754 (2): 135 [10.1088/0004-637X/754/2/135]

    Fridlind, A. M., B. van Diedenhoven, A. S. Ackerman, et al. A. Avramov, A. Mrowiec, H. Morrison, P. Zuidema, and M. D. Shupe. 2012. "A FIRE-ACE/SHEBA Case Study of Mixed-Phase Arctic Boundary Layer Clouds: Entrainment Rate Limitations on Rapid Primary Ice Nucleation Processes." J Atmos Sci, 69 (1): 365-389 [10.1175/JAS-D-11-052.1]

    Fridlind, A. M., A. S. Ackerman, J. P. Chaboureau, et al. J. Fan, W. W. Grabowski, A. Hill, T. R. Jones, M. M. Khaiyer, G. Liu, P. Minnis, H. Morrison, L. Nguyen, S. Park, J. C. Petch, J. P. Pinty, C. Schumacher, B. Shipway, A. C. Varble, X. Wu, S. Xie, and M. Zhang. 2012. "A comparison of TWP-ICE observational data with cloud-resolving model results." J. Geophys. Res., 117 (D5): D05204 [10.1029/2011JD016595]

    Alexandrov, M. D., B. Cairns, C. Emde, A. S. Ackerman, and B. van Diedenhoven. 2012. "Accuracy assessments of cloud droplet size retrievals from polarized reflectance measurements by the research scanning polarimeter." Remote Sens Environ, 125: 92-111 [10.1016/j.rse.2012.07.012]

    van Diedenhoven, B., A. M. Fridlind, and A. S. Ackerman. 2011. "Influence of Humidified Aerosol on Lidar Depolarization Measurements below Ice-Precipitating Arctic Stratus." Journal of Applied Meteorology and Climatology, 50 (10): 2184-2192 [10.1175/JAMC-D-11-037.1]

    VanZanten, M. C., B. B. Stevens, L. Nuijens, et al. A. P. Siebesma, A. Ackerman, F. Burnet, A. Cheng, F. Couvreux, H. Jiang, M. Khairoutdinov, Y. Kogan, D. C. Lewellen, D. Mechem, K. Nakamura, A. Noda, B. J. Shipway, J. Slawinska, S. Wang, and A. Wyszogrodzki. 2011. "Controls on precipitation and cloudiness in simulations of trade-wind cumulus as observed during RICO." J Adv Model Earth Syst, 3 (2): M06001 [10.1029/2011MS000056]

    Varble, A., A. Fridlind, E. Zipser, et al. A. Ackerman, J. Chaboureau, J. Fan, A. Hill, S. McFarlane, J. Pinty, and B. Shipway. 2011. "Evaluation of cloud-resolving model intercomparison simulations using TWP-ICE observations: Precipitation and cloud structure." J Geophys Res, 116 (D12): D12206 [10.1029/2010JD015180]

    Morrison, H., P. Zuidema, A. S. Ackerman, et al. A. Avramov, G. de Boer, J. Fan, A. M. Fridlind, T. Hashino, J. Y. Harrington, Y. Luo, M. Ovchinnikov, and B. Shipway. 2011. "Intercomparison of cloud model simulations of Arctic mixed-phase boundary layer clouds observed during SHEBA/FIRE-ACE." J Adv Model Earth Syst, 3 (2): M06003 [10.1029/2011MS000066]

    Fridlind, A. M., and A. S. Ackerman. 2011. "Estimating the Sensitivity of Radiative Impacts of Shallow, Broken Marine Clouds to Boundary Layer Aerosol Size Distribution Parameter Uncertainties for Evaluation of Satellite Retrieval Requirements." Journal of Atmospheric and Oceanic Technology, 28 (4): 530-538 [10.1175/2010JTECHA1520.1]

    Botta, G., K. Aydin, J. Verlinde, et al. A. E. Avramov, A. S. Ackerman, A. M. Fridlind, G. M. McFarquhar, and M. Wolde. 2011. "Millimeter wave scattering from ice crystals and their aggregates: Comparing cloud model simulations with X- and Ka-band radar measurements." J. Geophys. Res., 116: D00T04 [10.1029/2011JD015909]

    Avramov, A., A. S. Ackerman, A. M. Fridlind, et al. B. Van Diedenhoven, G. Botta, K. Aydin, J. Verlinde, A. V. Korolev, W. Strapp, G. M. McFarquhar, R. Jackson, S. D. Brooks, A. Glen, and M. Wolde. 2011. "Toward ice formation closure in Arctic mixed-phase boundary layer clouds during ISDAC." J. Geophys. Res., 116: D00T08 [10.1029/2011JD015910]

    Alexandrov, M., A. Marshak, and A. S. Ackerman. 2010. "Cellular Statistical Models of Broken Cloud Fields. Part I: Theory." J Atmos Sci, 67 (7): 2125-2151 [10.1175/2010JAS3364.1]

    Alexandrov, M., A. Ackerman, and A. Marshak. 2010. "Cellular Statistical Models of Broken Cloud Fields. Part II: Comparison with a Dynamical Model and Statistics of Diverse Ensembles." J Atmos Sci, 67 (7): 2152-2170 [10.1175/2010JAS3365.1]

    Zinner, T., G. Wind, S. E. Platnick, and A. S. Ackerman. 2010. "Testing remote sensing on artificial observations: impact of drizzle and 3-D cloud structure on effective radius retrievals." Atmos. Chem. Phys., 10 (19): 9535-9549 [10.5194/acp-10-9535-2010]

    van Diedenhoven, B., A. M. Fridlind, A. S. Ackerman, E. W. Eloranta, and G. M. McFarquhar. 2009. "An evaluation of ice formation in large-eddy simulations of supercooled Arctic stratocumulus using ground-based lidar and cloud radar." J. Geophys. Res., 114 (D10): D10203 [10.1029/2008JD011198]

    Klein, S. A., R. B. McCoy, H. Morrison, et al. A. S. Ackerman, A. Avramov, G. de Boer, M. Chen, J. N. Cole, A. D. Del Genio, M. Falk, M. J. Foster, A. M. 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. 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. I: single-layer cloud." Q.J.R. Meteorol. Soc., 135 (641): 979-1002 [10.1002/qj.416]

    Ackerman, A. S., M. C. van Zanten, B. Stevens, et al. V. Savic-Jovcic, C. S. Bretherton, A. Chlond, J. G. Gloaz, H. Jiang, M. Khairoutdinov, S. K. Krueger, D. C. Lewellen, A. Lock, C. H. Moeng, K. Nakamura, M. D. Petters, J. R. Snider, S. Weinbrecht, and M. Zulauf. 2009. "Large-Eddy Simulations of a Drizzling, Stratocumulus-Topped Marine Boundary Layer." Mon. Wea. Rev., 137 (3): 1083-1110 [10.1175/2008MWR2582.1]

    Sayres, D. S., J. B. Smith, J. V. Pittman, et al. E. M. Weinstock, J. G. Anderson, G. Heymsfield, L. Li, A. M. Fridlind, and A. S. Ackerman. 2008. "Validation and determination of ice water content-radar reflectivity relationships during CRYSTAL-FACE: Flight requirements for future comparisons." J. Geophys. Res., 113 (D5): D05208 [10.1029/2007JD008847]

    Helling, C., A. Ackerman, F. Allard, et al. M. Dehn, P. Hauschildt, D. Homeier, K. Lodders, M. Marley, F. Rietmeijer, T. Tsuji, and P. Woitke. 2008. "A comparison of chemistry and dust cloud formation in ultracool dwarf model atmospheres." M Not Royal Astron Soc, 391 (4): 1854-1873 [10.1111/j.1365-2966.2008.13991.x]

    Wyant, M. C., C. S. Bretherton, A. Chlond, et al. B. M. Griffin, H. Kitagawa, C. Lappen, V. E. Larson, A. Lock, S. Park, S. R. de Roose, J. Uchida, M. Zhao, and A. S. Ackerman. 2007. "A single-column model intercomparison of a heavily drizzling stratocumulus-topped boundary layer." J. Geophys. Res., 112 (D24): D24204 [10.1029/2007JD008536]

    Senocak, I., A. S. Ackerman, M. P. Kirkpatrick, D. E. Stevens, and N. N. Mansour. 2007. "Study of near-surface models for large-eddy simulations of a neutrally stratified atmospheric boundary layer." Boundary-Layer Meteorology, 124 (3): 405-424 [10.1007/s10546-007-9181-x]

    Jensen, E. J., A. S. Ackerman, and J. A. Smith. 2007. "Can overshooting convection dehydrate the tropical tropopause layer?" J. Geophys. Res., 112 (D11): D11209 [10.1029/2006JD007943]

    Fridlind, A. M., A. S. Ackerman, G. McFarquhar, et al. G. Zhang, M. R. Poellot, P. J. DeMott, A. J. Prenni, and A. J. Heymsfield. 2007. "Ice properties of single-layer stratocumulus during the Mixed-Phase Arctic Cloud Experiment: 2. Model results." J. Geophys. Res., 112 (D24): D24202 [10.1029/2007JD008646]

    Barth, M. C., S. W. Kim, C. Wang, et al. K. E. Pickering, L. E. Ott, G. Stenchikov, M. Leriche, S. Cautenet, J. P. Pinty, C. Barthe, C. Mari, J. Helsdon, R. Farley, A. M. Fridlind, A. S. Ackerman, V. Spiridonov, and B. Telenta. 2007. "Cloud-scale model intercomparison of chemical constituent transport in deep convection." Atmos Chem Phys, 7: 4709-4731.

    Charlson, R. J., A. S. Ackerman, F. A. Bender, T. L. Anderson, and Z. Liu. 2007. "On the climate forcing consequences of the albedo continuum between cloudy and clear air." Tellus B, 59 (4): 715-727 [10.1111/j.1600-0889.2007.00297.x]

    Smith, J. A., A. S. Ackerman, E. J. Jensen, and O. B. Toon. 2006. "Role of deep convection in establishing the isotopic composition of water vapor in the tropical transition layer." Geophysical Research Letters, 33 (6): L06812 [10.1029/2005GL024078]

    Lopez, J. P., A. M. Fridlind, H. Jost, et al. M. Loewenstein, A. S. Ackerman, T. L. Campos, E. M. Weinstock, D. S. Sayres, J. B. Smith, J. V. Pittman, A. G. Hallar, L. M. Avallone, S. M. Davis, and R. L. Herman. 2006. "CO signatures in subtropical convective clouds and anvils during CRYSTAL-FACE: An analysis of convective transport and entrainment using observations and a cloud-resolving model." J. Geophys. Res., 111 (D9): D09305 [10.1029/2005JD006104]

    Jensen, E. J., and A. S. Ackerman. 2006. "Homogeneous aerosol freezing in the tops of high-altitude tropical cumulonimbus clouds." Geophysical Research Letters, 33 (8): L08802 [10.1029/2005GL024928]

    Kirkpatrick, M. P., A. S. Ackerman, D. E. Stevens, and N. N. Mansour. 2006. "On the Application of the Dynamic Smagorinsky Model to Large-Eddy Simulations of the Cloud-Topped Atmospheric Boundary Layer." J Atmos Sci, 63 (2): 526-546 [10.1175/JAS3651.1]

    Stevens, B., C. Moeng, A. S. Ackerman, et al. C. S. Bretherton, A. Chlond, S. de Roode, J. Edwards, J. Golaz, H. Jiang, M. Khairoutdinov, M. P. Kirkpatrick, D. C. Lewellen, A. Lock, F. Müller, D. E. Stevens, E. Whelan, and P. Zhu. 2005. "Evaluation of Large-Eddy Simulations via Observations of Nocturnal Marine Stratocumulus." Mon. Weather Rev., 133 (6): 1443-1462 [10.1175/MWR2930.1]

    Xueref, I., C. Cerbig, A. Fridlind, et al. J. C. Lin, S. C. Wofsy, B. C. Daube, A. S. Ackerman, J. E. Smith, D. Sayres, J. Vellovic, D. G. Baumgardner, D. Wang, E. Weinstock, A. E. Andrews, E. W. Gottlieb, and J. G. Anderson. 2004. "Combining a receptor-oriented framework for tracer distributions with a cloud-resolving model to study transport in deep convective clouds: Application to the NASA CRYSTAL-FACE campaign." Geophys Res Lett, 31 (14): L14106 [10.1029/2004GL019811]

    Ackerman, A. S., O. B. Toon, D. E. Stevens, R. Coakley, and R. Coakley. 2003. "Enhancement of cloud cover and suppression of nocturnal drizzle in stratocumulus polluted by haze." Geophys Res Lett, 30 (7): 1381 [10.1029/2002GL016634]

    Stevens, D. E., A. S. Ackerman, and C. S. Bretherton. 2002. "Effects of domain size and numerical resolution on the simulation of shallow cumulus convection." J Atmos Sci, 59: 3285-3301.

    Marley, M. S., S. Seager, D. Saumon, et al. K. Lodders, A. S. Ackerman, R. S. Freedman, and X. Fan. 2002. "Clouds and Chemistry: Ultracool Dwarf Atmospheric Properties from Optical and Infrared Colors." ApJ, 568 (1): 335-342 [10.1086/338800]

    MacFarlane, S. F., K. F. Evans, and A. S. Ackerman. 2002. "A Bayesian algorithm for the retrieval of liquid water cloud properties from microwave radiometer and millimeter radar data." J. Geophys. Res., 107 (D16): 4317 [10.1029/2001JD001011]

    Gelino, C. R., M. S. Marley, J. A. Holtzman, A. S. Ackerman, and K. Lodders. 2002. "L Dwarf Variability: I ‐Band Observations." ApJ, 577 (1): 433-446 [10.1086/342150]

    Burgasser, A. J., M. S. Marley, A. S. Ackerman, et al. D. Saumon, K. Lodders, C. C. Dahn, H. C. Harris, and J. D. Kirkpatrick. 2002. "Evidence of Cloud Disruption in the L/T Dwarf Transition." The Astrophysical Journal, 571 (2): L151-L154 [10.1086/341343]

    Ackerman, A. S., and M. S. Marley. 2001. "Precipitating Condensation Clouds in Substellar Atmospheres." ApJ, 556 (2): 872-884 [10.1086/321540]

    Stevens, B., A. S. Ackerman, B. A. Albrecht, et al. A. R. Brown, A. Chlond, J. Cuxart, P. G. Duynkerke, D. C. Lewellen, M. K. Macvean, R. A. Neggers, E. Sanchez, A. P. Siebesma, and D. E. Stevens. 2001. "Simulations of trade wind cumuli under a strong inversion." J. Atmos. Sci., 58: 1870-1891.

    Jensen, E. J., L. Pfister, A. S. Ackerman, A. Tabazadeh, and O. B. Toon. 2001. "A conceptual model of the dehydration of air due to freeze-drying by optically thin, laminar cirrus rising slowly across the tropical tropopause." J. Geophys. Res., 106 (D15): 17237-17252 [10.1029/2000JD900649]

    Ackerman, A. S., O. B. Toon, J. P. Taylor, et al. D. W. Johnson, P. V. Hobbs, and R. J. Ferek. 2000. "Effects of aerosols on cloud albedo: Evaluation of Twomey's parameterization of cloud susceptibility using measurements of ship tracks." J. Atmos. Sci., 57: 2684-2695.

    Ferek, R. J., T. Garrett, P. V. Hobbs, et al. S. Strader, D. Johnson, J. P. Taylor, K. Nielsen, A. S. Ackerman, Y. Kogan, Q. Liu, B. A. Albrecht, and D. Babb. 2000. "Drizzle suppression in ship tracks." J Atmos Sci, 57: 2707-2728.

    Ackerman, A. S., O. Toon, D. Stevens, et al. A. Heymsfield, V. Ramanathan, and E. J. Welton. 2000. "Reduction of Tropical Cloudiness by Soot." Science, 288 (5468): 1042-1047 [10.1126/science.288.5468.1042]

    Taylor, J. P., and A. S. Ackerman. 1999. "A case-study of pronounced perturbations to cloud properties and boundary-layer dynamics due to aerosol emissions." Q.J.R. Meteorol. Soc., 125 (559): 2643-2661 [10.1256/smsqj.55914]

    Jensen, E. J., A. S. Ackerman, D. E. Stevens, O. B. Toon, and P. Minnis. 1998. "Spreading and growth of contrails in a sheared environment." J. Geophys. Res., 103 (D24): 31,557-31,568 [10.1029/98JD02594]

    Ackerman, A. S., and O. B. Toon. 1996. "Unrealistic desiccation of marine stratocumulus clouds by enhanced solar absorption." Nature, 380 (6574): 512-515 [10.1038/380512a0]

    Ackerman, A. S., O. B. Toon, and P. V. Hobbs. 1995. "Numerical modeling of ship tracks produced by injections of cloud condensation nuclei into marine stratiform clouds." J. Geophys. Res., 100 (D4): 7121-7133 [10.1029/95JD00026]

    Radke, L. F., A. S. Ackerman, J. H. Lyons, et al. D. A. Hegg, P. V. Hobbs, and J. E. Penner. 1995. "Effects of aging on the smoke from a large forest fire." Atmospheric Research, 38 (1-4): 315-332 [10.1016/0169-8095(95)00003-A]

    Ackerman, A. S., P. V. Hobbs, and O. B. Toon. 1995. "A model for particle microphysics, turbulent mixing, and radiative Transfer in the stratocumulus-topped marine boundary layer and comparisons with measurements." J. Atmos. Sci., 52 (8): 1204-1236 [10.1175/1520-0469(1995)052<1204:AMFPMT>2.0.CO;2]

    Ackerman, A. S., O. B. Toon, and P. V. Hobbs. 1994. "Reassessing the dependence of cloud condensation nucleus concentration on formation rate." Nature, 367 (6462): 445-447 [10.1038/367445a0]

    Gerber, H., B. G. Arends, and A. S. Ackerman. 1994. "New microphysics sensor for aircraft use." Atmospheric Research, 31 (4): 235-252 [10.1016/0169-8095(94)90001-9]

    Ackerman, A. S., O. B. Toon, and P. V. Hobbs. 1993. "Dissipation of Marine Stratiform Clouds and Collapse of the Marine Boundary Layer Due to the Depletion of Cloud Condensation Nuclei by Clouds." Science, 262 (5131): 226-229 [10.1126/science.262.5131.226]

    Non-Refereed

    Fridlind, A. M., A. S. Ackerman, J. Petch, et al. P. Field, A. Hill, G. McFarquhar, S. Xie, and M. Zhang. 2010. "ARM/GCSS/SPARC TWP-ICE CRM Intercomparison Study." NASA-TM-2010-215858: Greenbelt, Md:

    Anderson, T. L., A. S. Ackerman, D. L. Hartmann, et al. G. A. Isaac, S. Kinne, H. Masunaga, J. R. Norris, U. Poeschl, K. S. Schmidt, A. Slingo, and Y. N. Takayabu. 2009. "Temporal and spatial variability of clouds and related aerosols." Clouds in the Perturbed Climate System: Their Relationship to Energy Balance, Atmospheric Dynamics, and Precipitation, 127-147.

    Ackerman, A. S. 1985. "Analysis of a systematic error in field measurements of quadrupole magnets, using the algebraic software package REDUCE." DESY M-85-10, Hamburg, Germany:

    Refereed

    Van Diedenhoven, B., A. S. Ackerman, B. Cairns, and A. M. Fridlind. 2014. "A Flexible Parameterization for Shortwave Optical Properties of Ice Crystals." J. Atmos. Sci. 71 (5): 1763-1782 [10.1175/JAS-D-13-0205.1]

    Ovchinnikov, M., A. S. Ackerman, A. Avramov, et al. A. Cheng, J. Fan, A. M. Fridlind, S. Ghan, J. Harrington, C. Hoose, A. Korolev, G. M. McFarquhar, H. Morrison, M. Paukert, J. Savre, B. J. Shipway, M. D. Shupe, A. Solomon, and K. Sulia. 2014. "Intercomparison of large-eddy simulations of Arctic mixed-phase clouds: Importance of ice size distribution assumptions." J. Adv. Model. Earth Syst. 6 (1): 223-248 [10.1002/2013MS000282]

    Van der Dussen, J. J., S. R. de Roode, A. S. Ackerman, et al. P. N. Blossey, C. S. Bretherton, M. J. Kurowski, A. P. Lock, R. A. Neggers, I. Sandu, and A. P. Siebesma. 2013. "The GASS/EUCLIPSE model intercomparison of the stratocumulus transition as observed during ASTEX: LES results." J. Adv. Model. Earth Syst. 5 483-499 [10.1002/10.1002/jame.20033]

    van Diedenhoven, B., B. Cairns, A. M. Fridlind, A. S. Ackerman, and T. J. Garrett. 2013. "Remote sensing of ice crystal asymmetry parameter using multi-directional polarization measurements – Part 2: Application to the Research Scanning Polarimeter." Atmos. Chem. Phys. 13 (6): 3185-3203 [10.5194/acp-13-3185-2013]

    van Diedenhoven, B., A. M. Fridlind, A. S. Ackerman, and B. Cairns. 2012. "Evaluation of Hydrometeor Phase and Ice Properties in Cloud-Resolving Model Simulations of Tropical Deep Convection Using Radiance and Polarization Measurements." J Atmos Sci 69 (11): 3290-3314 [10.1175/JAS-D-11-0314.1]

    Zhang, Z., A. S. Ackerman, G. Feingold, et al. S. Platnick, R. Pincus, and H. Xue. 2012. "Effects of cloud horizontal inhomogeneity and drizzle on remote sensing of cloud droplet effective radius: Case studies based on large-eddy simulations." J Geophys Res 117 (D19): D19208 [10.1029/2012JD017655]

    van Diedenhoven, B., B. Cairns, I. V. Geogdzhayev, et al. A. M. Fridlind, A. S. Ackerman, P. Yang, and B. A. Baum. 2012. "Remote sensing of ice crystal asymmetry parameter using multi-directional polarization measurements. Part I: Methodology and evaluation with simulated measurements." Atmos Meas Tech 5 (10): 2361-2374 [10.5194/amt-5-2361-2012]

    Smith Mrowiec, A. A., C. Rio, A. M. Fridlind, et al. A. S. Ackerman, A. Del Genio, O. M. Pauluis, A. C. Varble, and J. Fan. 2012. "Analysis of cloud-resolving simulations of a tropical mesoscale convective system observed during TWP-ICE: Vertical fluxes and draft properties in convective and stratiform regions." J Geophys Res 117 (D19): D19201 [10.1029/2012JD017759]

    Marley, M. S., D. Daumon, M. Cushing, et al. A. S. Ackerman, J. J. Fortney, and R. Freedman. 2012. "Masses, Radii, and Cloud Properties of the HR 8799 Planets." Astrophys J 754 (2): 135 [10.1088/0004-637X/754/2/135]

    Fridlind, A. M., B. van Diedenhoven, A. S. Ackerman, et al. A. Avramov, A. Mrowiec, H. Morrison, P. Zuidema, and M. D. Shupe. 2012. "A FIRE-ACE/SHEBA Case Study of Mixed-Phase Arctic Boundary Layer Clouds: Entrainment Rate Limitations on Rapid Primary Ice Nucleation Processes." J Atmos Sci 69 (1): 365-389 [10.1175/JAS-D-11-052.1]

    Fridlind, A. M., A. S. Ackerman, J. P. Chaboureau, et al. J. Fan, W. W. Grabowski, A. Hill, T. R. Jones, M. M. Khaiyer, G. Liu, P. Minnis, H. Morrison, L. Nguyen, S. Park, J. C. Petch, J. P. Pinty, C. Schumacher, B. Shipway, A. C. Varble, X. Wu, S. Xie, and M. Zhang. 2012. "A comparison of TWP-ICE observational data with cloud-resolving model results." J. Geophys. Res. 117 (D5): D05204 [10.1029/2011JD016595]

    Alexandrov, M. D., B. Cairns, C. Emde, A. S. Ackerman, and B. van Diedenhoven. 2012. "Accuracy assessments of cloud droplet size retrievals from polarized reflectance measurements by the research scanning polarimeter." Remote Sens Environ 125 92-111 [10.1016/j.rse.2012.07.012]

    van Diedenhoven, B., A. M. Fridlind, and A. S. Ackerman. 2011. "Influence of Humidified Aerosol on Lidar Depolarization Measurements below Ice-Precipitating Arctic Stratus." Journal of Applied Meteorology and Climatology 50 (10): 2184-2192 [10.1175/JAMC-D-11-037.1]

    VanZanten, M. C., B. B. Stevens, L. Nuijens, et al. A. P. Siebesma, A. Ackerman, F. Burnet, A. Cheng, F. Couvreux, H. Jiang, M. Khairoutdinov, Y. Kogan, D. C. Lewellen, D. Mechem, K. Nakamura, A. Noda, B. J. Shipway, J. Slawinska, S. Wang, and A. Wyszogrodzki. 2011. "Controls on precipitation and cloudiness in simulations of trade-wind cumulus as observed during RICO." J Adv Model Earth Syst 3 (2): M06001 [10.1029/2011MS000056]

    Varble, A., A. Fridlind, E. Zipser, et al. A. Ackerman, J. Chaboureau, J. Fan, A. Hill, S. McFarlane, J. Pinty, and B. Shipway. 2011. "Evaluation of cloud-resolving model intercomparison simulations using TWP-ICE observations: Precipitation and cloud structure." J Geophys Res 116 (D12): D12206 [10.1029/2010JD015180]

    Morrison, H., P. Zuidema, A. S. Ackerman, et al. A. Avramov, G. de Boer, J. Fan, A. M. Fridlind, T. Hashino, J. Y. Harrington, Y. Luo, M. Ovchinnikov, and B. Shipway. 2011. "Intercomparison of cloud model simulations of Arctic mixed-phase boundary layer clouds observed during SHEBA/FIRE-ACE." J Adv Model Earth Syst 3 (2): M06003 [10.1029/2011MS000066]

    Fridlind, A. M., and A. S. Ackerman. 2011. "Estimating the Sensitivity of Radiative Impacts of Shallow, Broken Marine Clouds to Boundary Layer Aerosol Size Distribution Parameter Uncertainties for Evaluation of Satellite Retrieval Requirements." Journal of Atmospheric and Oceanic Technology 28 (4): 530-538 [10.1175/2010JTECHA1520.1]

    Botta, G., K. Aydin, J. Verlinde, et al. A. E. Avramov, A. S. Ackerman, A. M. Fridlind, G. M. McFarquhar, and M. Wolde. 2011. "Millimeter wave scattering from ice crystals and their aggregates: Comparing cloud model simulations with X- and Ka-band radar measurements." J. Geophys. Res. 116 D00T04 [10.1029/2011JD015909]

    Avramov, A., A. S. Ackerman, A. M. Fridlind, et al. B. Van Diedenhoven, G. Botta, K. Aydin, J. Verlinde, A. V. Korolev, W. Strapp, G. M. McFarquhar, R. Jackson, S. D. Brooks, A. Glen, and M. Wolde. 2011. "Toward ice formation closure in Arctic mixed-phase boundary layer clouds during ISDAC." J. Geophys. Res. 116 D00T08 [10.1029/2011JD015910]

    Alexandrov, M., A. Marshak, and A. S. Ackerman. 2010. "Cellular Statistical Models of Broken Cloud Fields. Part I: Theory." J Atmos Sci 67 (7): 2125-2151 [10.1175/2010JAS3364.1]

    Alexandrov, M., A. Ackerman, and A. Marshak. 2010. "Cellular Statistical Models of Broken Cloud Fields. Part II: Comparison with a Dynamical Model and Statistics of Diverse Ensembles." J Atmos Sci 67 (7): 2152-2170 [10.1175/2010JAS3365.1]

    Zinner, T., G. Wind, S. E. Platnick, and A. S. Ackerman. 2010. "Testing remote sensing on artificial observations: impact of drizzle and 3-D cloud structure on effective radius retrievals." Atmos. Chem. Phys. 10 (19): 9535-9549 [10.5194/acp-10-9535-2010]

    van Diedenhoven, B., A. M. Fridlind, A. S. Ackerman, E. W. Eloranta, and G. M. McFarquhar. 2009. "An evaluation of ice formation in large-eddy simulations of supercooled Arctic stratocumulus using ground-based lidar and cloud radar." J. Geophys. Res. 114 (D10): D10203 [10.1029/2008JD011198]

    Klein, S. A., R. B. McCoy, H. Morrison, et al. A. S. Ackerman, A. Avramov, G. de Boer, M. Chen, J. N. Cole, A. D. Del Genio, M. Falk, M. J. Foster, A. M. 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. 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. I: single-layer cloud." Q.J.R. Meteorol. Soc. 135 (641): 979-1002 [10.1002/qj.416]

    Ackerman, A. S., M. C. van Zanten, B. Stevens, et al. V. Savic-Jovcic, C. S. Bretherton, A. Chlond, J. G. Gloaz, H. Jiang, M. Khairoutdinov, S. K. Krueger, D. C. Lewellen, A. Lock, C. H. Moeng, K. Nakamura, M. D. Petters, J. R. Snider, S. Weinbrecht, and M. Zulauf. 2009. "Large-Eddy Simulations of a Drizzling, Stratocumulus-Topped Marine Boundary Layer." Mon. Wea. Rev. 137 (3): 1083-1110 [10.1175/2008MWR2582.1]

    Sayres, D. S., J. B. Smith, J. V. Pittman, et al. E. M. Weinstock, J. G. Anderson, G. Heymsfield, L. Li, A. M. Fridlind, and A. S. Ackerman. 2008. "Validation and determination of ice water content-radar reflectivity relationships during CRYSTAL-FACE: Flight requirements for future comparisons." J. Geophys. Res. 113 (D5): D05208 [10.1029/2007JD008847]

    Helling, C., A. Ackerman, F. Allard, et al. M. Dehn, P. Hauschildt, D. Homeier, K. Lodders, M. Marley, F. Rietmeijer, T. Tsuji, and P. Woitke. 2008. "A comparison of chemistry and dust cloud formation in ultracool dwarf model atmospheres." M Not Royal Astron Soc 391 (4): 1854-1873 [10.1111/j.1365-2966.2008.13991.x]

    Wyant, M. C., C. S. Bretherton, A. Chlond, et al. B. M. Griffin, H. Kitagawa, C. Lappen, V. E. Larson, A. Lock, S. Park, S. R. de Roose, J. Uchida, M. Zhao, and A. S. Ackerman. 2007. "A single-column model intercomparison of a heavily drizzling stratocumulus-topped boundary layer." J. Geophys. Res. 112 (D24): D24204 [10.1029/2007JD008536]

    Senocak, I., A. S. Ackerman, M. P. Kirkpatrick, D. E. Stevens, and N. N. Mansour. 2007. "Study of near-surface models for large-eddy simulations of a neutrally stratified atmospheric boundary layer." Boundary-Layer Meteorology 124 (3): 405-424 [10.1007/s10546-007-9181-x]

    Jensen, E. J., A. S. Ackerman, and J. A. Smith. 2007. "Can overshooting convection dehydrate the tropical tropopause layer?" J. Geophys. Res. 112 (D11): D11209 [10.1029/2006JD007943]

    Fridlind, A. M., A. S. Ackerman, G. McFarquhar, et al. G. Zhang, M. R. Poellot, P. J. DeMott, A. J. Prenni, and A. J. Heymsfield. 2007. "Ice properties of single-layer stratocumulus during the Mixed-Phase Arctic Cloud Experiment: 2. Model results." J. Geophys. Res. 112 (D24): D24202 [10.1029/2007JD008646]

    Barth, M. C., S. W. Kim, C. Wang, et al. K. E. Pickering, L. E. Ott, G. Stenchikov, M. Leriche, S. Cautenet, J. P. Pinty, C. Barthe, C. Mari, J. Helsdon, R. Farley, A. M. Fridlind, A. S. Ackerman, V. Spiridonov, and B. Telenta. 2007. "Cloud-scale model intercomparison of chemical constituent transport in deep convection." Atmos Chem Phys 7 4709-4731

    Charlson, R. J., A. S. Ackerman, F. A. Bender, T. L. Anderson, and Z. Liu. 2007. "On the climate forcing consequences of the albedo continuum between cloudy and clear air." Tellus B 59 (4): 715-727 [10.1111/j.1600-0889.2007.00297.x]

    Smith, J. A., A. S. Ackerman, E. J. Jensen, and O. B. Toon. 2006. "Role of deep convection in establishing the isotopic composition of water vapor in the tropical transition layer." Geophysical Research Letters 33 (6): L06812 [10.1029/2005GL024078]

    Lopez, J. P., A. M. Fridlind, H. Jost, et al. M. Loewenstein, A. S. Ackerman, T. L. Campos, E. M. Weinstock, D. S. Sayres, J. B. Smith, J. V. Pittman, A. G. Hallar, L. M. Avallone, S. M. Davis, and R. L. Herman. 2006. "CO signatures in subtropical convective clouds and anvils during CRYSTAL-FACE: An analysis of convective transport and entrainment using observations and a cloud-resolving model." J. Geophys. Res. 111 (D9): D09305 [10.1029/2005JD006104]

    Jensen, E. J., and A. S. Ackerman. 2006. "Homogeneous aerosol freezing in the tops of high-altitude tropical cumulonimbus clouds." Geophysical Research Letters 33 (8): L08802 [10.1029/2005GL024928]

    Kirkpatrick, M. P., A. S. Ackerman, D. E. Stevens, and N. N. Mansour. 2006. "On the Application of the Dynamic Smagorinsky Model to Large-Eddy Simulations of the Cloud-Topped Atmospheric Boundary Layer." J Atmos Sci 63 (2): 526-546 [10.1175/JAS3651.1]

    Stevens, B., C. Moeng, A. S. Ackerman, et al. C. S. Bretherton, A. Chlond, S. de Roode, J. Edwards, J. Golaz, H. Jiang, M. Khairoutdinov, M. P. Kirkpatrick, D. C. Lewellen, A. Lock, F. Müller, D. E. Stevens, E. Whelan, and P. Zhu. 2005. "Evaluation of Large-Eddy Simulations via Observations of Nocturnal Marine Stratocumulus." Mon. Weather Rev. 133 (6): 1443-1462 [10.1175/MWR2930.1]

    Xueref, I., C. Cerbig, A. Fridlind, et al. J. C. Lin, S. C. Wofsy, B. C. Daube, A. S. Ackerman, J. E. Smith, D. Sayres, J. Vellovic, D. G. Baumgardner, D. Wang, E. Weinstock, A. E. Andrews, E. W. Gottlieb, and J. G. Anderson. 2004. "Combining a receptor-oriented framework for tracer distributions with a cloud-resolving model to study transport in deep convective clouds: Application to the NASA CRYSTAL-FACE campaign." Geophys Res Lett 31 (14): L14106 [10.1029/2004GL019811]

    Ackerman, A. S., O. B. Toon, D. E. Stevens, R. Coakley, and R. Coakley. 2003. "Enhancement of cloud cover and suppression of nocturnal drizzle in stratocumulus polluted by haze." Geophys Res Lett 30 (7): 1381 [10.1029/2002GL016634]

    Stevens, D. E., A. S. Ackerman, and C. S. Bretherton. 2002. "Effects of domain size and numerical resolution on the simulation of shallow cumulus convection." J Atmos Sci 59 3285-3301.

    Marley, M. S., S. Seager, D. Saumon, et al. K. Lodders, A. S. Ackerman, R. S. Freedman, and X. Fan. 2002. "Clouds and Chemistry: Ultracool Dwarf Atmospheric Properties from Optical and Infrared Colors." ApJ 568 (1): 335-342 [10.1086/338800]

    MacFarlane, S. F., K. F. Evans, and A. S. Ackerman. 2002. "A Bayesian algorithm for the retrieval of liquid water cloud properties from microwave radiometer and millimeter radar data." J. Geophys. Res. 107 (D16): 4317 [10.1029/2001JD001011]

    Gelino, C. R., M. S. Marley, J. A. Holtzman, A. S. Ackerman, and K. Lodders. 2002. "L Dwarf Variability: I ‐Band Observations." ApJ 577 (1): 433-446 [10.1086/342150]

    Burgasser, A. J., M. S. Marley, A. S. Ackerman, et al. D. Saumon, K. Lodders, C. C. Dahn, H. C. Harris, and J. D. Kirkpatrick. 2002. "Evidence of Cloud Disruption in the L/T Dwarf Transition." The Astrophysical Journal 571 (2): L151-L154 [10.1086/341343]

    Ackerman, A. S., and M. S. Marley. 2001. "Precipitating Condensation Clouds in Substellar Atmospheres." ApJ 556 (2): 872-884 [10.1086/321540]

    Stevens, B., A. S. Ackerman, B. A. Albrecht, et al. A. R. Brown, A. Chlond, J. Cuxart, P. G. Duynkerke, D. C. Lewellen, M. K. Macvean, R. A. Neggers, E. Sanchez, A. P. Siebesma, and D. E. Stevens. 2001. "Simulations of trade wind cumuli under a strong inversion." J. Atmos. Sci. 58 1870-1891

    Jensen, E. J., L. Pfister, A. S. Ackerman, A. Tabazadeh, and O. B. Toon. 2001. "A conceptual model of the dehydration of air due to freeze-drying by optically thin, laminar cirrus rising slowly across the tropical tropopause." J. Geophys. Res. 106 (D15): 17237-17252 [10.1029/2000JD900649]

    Ackerman, A. S., O. B. Toon, J. P. Taylor, et al. D. W. Johnson, P. V. Hobbs, and R. J. Ferek. 2000. "Effects of aerosols on cloud albedo: Evaluation of Twomey's parameterization of cloud susceptibility using measurements of ship tracks." J. Atmos. Sci. 57 2684-2695

    Ferek, R. J., T. Garrett, P. V. Hobbs, et al. S. Strader, D. Johnson, J. P. Taylor, K. Nielsen, A. S. Ackerman, Y. Kogan, Q. Liu, B. A. Albrecht, and D. Babb. 2000. "Drizzle suppression in ship tracks." J Atmos Sci 57 2707-2728.

    Ackerman, A. S., O. Toon, D. Stevens, et al. A. Heymsfield, V. Ramanathan, and E. J. Welton. 2000. "Reduction of Tropical Cloudiness by Soot." Science 288 (5468): 1042-1047 [10.1126/science.288.5468.1042]

    Taylor, J. P., and A. S. Ackerman. 1999. "A case-study of pronounced perturbations to cloud properties and boundary-layer dynamics due to aerosol emissions." Q.J.R. Meteorol. Soc. 125 (559): 2643-2661 [10.1256/smsqj.55914]

    Jensen, E. J., A. S. Ackerman, D. E. Stevens, O. B. Toon, and P. Minnis. 1998. "Spreading and growth of contrails in a sheared environment." J. Geophys. Res. 103 (D24): 31,557-31,568 [10.1029/98JD02594]

    Ackerman, A. S., and O. B. Toon. 1996. "Unrealistic desiccation of marine stratocumulus clouds by enhanced solar absorption." Nature 380 (6574): 512-515 [10.1038/380512a0]

    Ackerman, A. S., O. B. Toon, and P. V. Hobbs. 1995. "Numerical modeling of ship tracks produced by injections of cloud condensation nuclei into marine stratiform clouds." J. Geophys. Res. 100 (D4): 7121-7133 [10.1029/95JD00026]

    Radke, L. F., A. S. Ackerman, J. H. Lyons, et al. D. A. Hegg, P. V. Hobbs, and J. E. Penner. 1995. "Effects of aging on the smoke from a large forest fire." Atmospheric Research 38 (1-4): 315-332 [10.1016/0169-8095(95)00003-A]

    Ackerman, A. S., P. V. Hobbs, and O. B. Toon. 1995. "A model for particle microphysics, turbulent mixing, and radiative Transfer in the stratocumulus-topped marine boundary layer and comparisons with measurements." J. Atmos. Sci. 52 (8): 1204-1236 [10.1175/1520-0469(1995)052<1204:AMFPMT>2.0.CO;2]

    Ackerman, A. S., O. B. Toon, and P. V. Hobbs. 1994. "Reassessing the dependence of cloud condensation nucleus concentration on formation rate." Nature 367 (6462): 445-447 [10.1038/367445a0]

    Gerber, H., B. G. Arends, and A. S. Ackerman. 1994. "New microphysics sensor for aircraft use." Atmospheric Research 31 (4): 235-252 [10.1016/0169-8095(94)90001-9]

    Ackerman, A. S., O. B. Toon, and P. V. Hobbs. 1993. "Dissipation of Marine Stratiform Clouds and Collapse of the Marine Boundary Layer Due to the Depletion of Cloud Condensation Nuclei by Clouds." Science 262 (5131): 226-229 [10.1126/science.262.5131.226]

    Non-Refereed

    Fridlind, A. M., A. S. Ackerman, J. Petch, et al. P. Field, A. Hill, G. McFarquhar, S. Xie, and M. Zhang. 2010. "ARM/GCSS/SPARC TWP-ICE CRM Intercomparison Study." NASA-TM-2010-215858

    Anderson, T. L., A. S. Ackerman, D. L. Hartmann, et al. G. A. Isaac, S. Kinne, H. Masunaga, J. R. Norris, U. Poeschl, K. S. Schmidt, A. Slingo, and Y. N. Takayabu. 2009. "Temporal and spatial variability of clouds and related aerosols." Clouds in the Perturbed Climate System: Their Relationship to Energy Balance, Atmospheric Dynamics, and Precipitation 127-147

    Ackerman, A. S. 1985. "Analysis of a systematic error in field measurements of quadrupole magnets, using the algebraic software package REDUCE." DESY M-85-10

                                                                                                                                                                                            
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