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Journal of Advances in Modeling Earth Systems

Cover image for Vol. 6 Issue 2

June 2014

Volume 6, Issue 2

Pages i–ii, 281–489

  1. Issue Information

    1. Top of page
    2. Issue Information
    3. Research Articles
    1. You have full text access to this Open Access content
      Issue Information (pages i–ii)

      Article first published online: 23 JUL 2014 | DOI: 10.1002/jame.20054

  2. Research Articles

    1. Top of page
    2. Issue Information
    3. Research Articles
    1. You have full text access to this OnlineOpen article
      Effects of entrainment and mixing on droplet size distributions in warm cumulus clouds (pages 281–299)

      Merja H. Tölle, Steven K. Krueger

      Article first published online: 30 APR 2014 | DOI: 10.1002/2012MS000209

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      Key Points

      • DSD broadening depends on the mixing time scale and the LWC after mixing
      • DSD broadening increases substantially as the evaporation time scale decreases
      • We related the fraction of droplets that totally evaporate to two DSD parameters
    2. You have full text access to this OnlineOpen article
      Evaluation of boundary layer cloud parameterizations in the ECHAM5 general circulation model using CALIPSO and CloudSat satellite data (pages 300–314)

      Christine C. W. Nam, Johannes Quaas, Roel Neggers, Colombe Siegenthaler-Le Drian and Francesco Isotta

      Article first published online: 2 MAY 2014 | DOI: 10.1002/2013MS000277

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      Key Points

      • All three schemes improved the (sub)tropical oceanic boundary layer clouds
      • Differences amongst schemes less than differences to satellite observations
      • Advective component of Dual Mass Flux improves representation of shallow cumulus
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      Parameterization and sensitivity analysis of a process-based terrestrial ecosystem model using adjoint method (pages 315–331)

      Qing Zhu and Qianlai Zhuang

      Article first published online: 23 MAY 2014 | DOI: 10.1002/2013MS000241

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      Key Points

      • Develop an adjoint version of process-based biogeochemical model (TEM)
      • Conduct sensitivity analysis to rank importance of model parameters
      • Constrain TEM by using in situ observational data
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      A flux-form conservative semi-Lagrangian multitracer transport scheme (FF-CSLAM) for icosahedral-hexagonal grids (pages 332–356)

      Sarvesh Dubey, Rashmi Mittal and Peter H. Lauritzen

      Article first published online: 23 MAY 2014 | DOI: 10.1002/2013MS000259

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      Key Points

      • FF-CSLAM on icosahedral-hexagonal grids
      • Comparison with other schemes using new test case suite
      • Assessment of the different flux-area approximations
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      Effects of vertical resolution and nonorographic gravity wave drag on the simulated climate in the Community Atmosphere Model, version 5 (pages 357–383)

      Jadwiga H. Richter, Abraham Solomon and Julio T. Bacmeister

      Article first published online: 27 MAY 2014 | DOI: 10.1002/2013MS000303

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      Key Points

      • Vertical resolution has a significant impact on the mean simulated climate
      • Increased vertical resolution causes warming near the tropopause
      • Vertical resolution and gravity waves impact surface stresses
    6. You have full text access to this OnlineOpen article
      Effect of environmental shear, sea-surface temperature, and ambient moisture on the formation and predictability of tropical cyclones: An ensemble-mean perspective (pages 384–404)

      Dandan Tao and Fuqing Zhang

      Article first published online: 27 MAY 2014 | DOI: 10.1002/2014MS000314

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      Key Points

      • The larger the shear, the longer it takes the TCs to form and intensify
      • Shear affects development of TCs through modulating convective intensity and spatial distribution
      • Higher SST and moisture allow TCs to form faster and resist stronger shear
    7. You have full text access to this OnlineOpen article
      Parameter optimization, sensitivity, and uncertainty analysis of an ecosystem model at a forest flux tower site in the United States (pages 405–419)

      Yiping Wu, Shuguang Liu, Zhihong Huang and Wende Yan

      Article first published online: 27 MAY 2014 | DOI: 10.1002/2013MS000298

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      Key Points

      • FME was fully wrapped into EDCM to support sensitivity/uncertainty analysis
      • FME functions can help identify the relationship between parameter and output
      • Parameter uncertainty has distinct effects for variables in different seasons
    8. You have full text access to this OnlineOpen article
      The moist static energy budget in NCAR CAM5 hindcasts during DYNAMO (pages 420–440)

      Walter M. Hannah and Eric D. Maloney

      Article first published online: 27 MAY 2014 | DOI: 10.1002/2013MS000272

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      Key Points

      • Higher entrainment improves MJO DYNAMO Hindcasts for the wrong reason
      • MSE import by vertical advection compensates for overly weak MSE sources
      • Changes in the omega profile largely explain the differences in GMS among models
    9. You have full text access to this OnlineOpen article
      CMIP5 historical simulations (1850–2012) with GISS ModelE2 (pages 441–477)

      Ron L. Miller, Gavin A. Schmidt, Larissa S. Nazarenko, Nick Tausnev, Susanne E. Bauer, Anthony D. DelGenio, Max Kelley, Ken K. Lo, Reto Ruedy, Drew T. Shindell, Igor Aleinov, Mike Bauer, Rainer Bleck, Vittorio Canuto, Yonghua Chen, Ye Cheng, Thomas L. Clune, Greg Faluvegi, James E. Hansen, Richard J. Healy, Nancy Y. Kiang, Dorothy Koch, Andy A. Lacis, Allegra N. LeGrande, Jean Lerner, Surabi Menon, Valdar Oinas, Carlos Pérez García-Pando, Jan P. Perlwitz, Michael J. Puma, David Rind, Anastasia Romanou, Gary L. Russell, Makiko Sato, Shan Sun, Kostas Tsigaridis, Nadine Unger, Apostolos Voulgarakis, Mao-Sung Yao and Jinlun Zhang

      Article first published online: 10 JUN 2014 | DOI: 10.1002/2013MS000266

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      Key Points

      • The model simulates many observed climate trends during the twentieth century
      • Contrasting warming trends among different model configurations can be related to differences in climate sensitivity, aerosol and ozone forcing, and ocean heat uptake
      • Total forcing at the end of the CMIP5 historical period is larger than forcing within the previous (CMIP3) version of the model, due to greater greenhouse gas forcing with a smaller aerosol offset
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      Vertical velocity in shallow convection for different plume types (pages 478–489)

      Xiaocong Wang and Minghua Zhang

      Article first published online: 10 JUN 2014 | DOI: 10.1002/2014MS000318

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      Key Points

      • Vertical velocities for different plume types are parameterized
      • Momentum sources and sinks are analyzed for different plume types
      • Differences between convective core, updraft, and clouds are presented

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