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Journal of Advances in Modeling Earth Systems

Cover image for Vol. 6 Issue 4

December 2014

Volume 6, Issue 4

Pages i–iii, 957–1320

  1. Issue Information

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

      Article first published online: 29 JAN 2015 | DOI: 10.1002/jame.20056

  2. Research Articles

    1. Top of page
    2. Issue Information
    3. Research Articles
    4. Short Topics
    1. You have full text access to this OnlineOpen article
      An updated treatment of soil texture and associated hydraulic properties in a global land modeling system (pages 957–979)

      Gabriëlle J. M. De Lannoy, Randal D. Koster, Rolf H. Reichle, Sarith P. P. Mahanama and Qing Liu

      Article first published online: 8 OCT 2014 | DOI: 10.1002/2014MS000330

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      Key Points

      • Generated new global composite database of soil mineral and organic texture
      • Derived soil hydraulic parameters for global land model simulations
      • Reduced bias of simulated soil moisture versus in situ and satellite data
    2. You have full text access to this OnlineOpen article
      The effect of horizontal resolution on simulation quality in the Community Atmospheric Model, CAM5.1 (pages 980–997)

      Michael F. Wehner, Kevin A. Reed, Fuyu Li, Prabhat, Julio Bacmeister, Cheng-Ta Chen, Christopher Paciorek, Peter J. Gleckler, Kenneth R. Sperber, William D. Collins, Andrew Gettelman and Christiane Jablonowski

      Article first published online: 5 NOV 2014 | DOI: 10.1002/2013MS000276

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      Key Points

      • The effects of increasing resolution in an atmospheric model are presented
      • Global models at 25 km can realistically simulate tropical cyclone statistics
      • Increased resolution alone does not improve model defects
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      Investigating ice nucleation in cirrus clouds with an aerosol-enabled Multiscale Modeling Framework (pages 998–1015)

      Chengzhu Zhang, Minghuai Wang, Hugh Morrison, Richard C. J. Somerville, Kai Zhang, Xiaohong Liu and Jui-Lin F. Li

      Article first published online: 6 NOV 2014 | DOI: 10.1002/2014MS000343

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      Key Points

      • Aerosol-dependent ice nucleation is enabled in PNNL MMF
      • New MMF captures persistent ice supersaturation and low ice number in cirrus
      • MMF is powerful in emulating cloud processes evolving over short time scale
    4. You have full text access to this OnlineOpen article
      Remote effect of the model cold bias in the tropical North Atlantic on the warm bias in the tropical southeastern Pacific (pages 1016–1026)

      Liping Zhang, Chunzai Wang, Zhenya Song and Sang-Ki Lee

      Article first published online: 7 NOV 2014 | DOI: 10.1002/2014MS000338

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      Key Points

      • A close link between tropical North Atlantic and southeastern Pacific SST bias
      • The TNA cold bias does contribute partly to the warm SST bias in the SEP
      • This link is due to the TNA-SEP Hadley cell change
    5. You have full text access to this OnlineOpen article
      Evaluation of the impact of moist convection on the development of asymmetric inner core instabilities in simulated tropical cyclones (pages 1027–1048)

      Jason Naylor and David A. Schecter

      Article first published online: 14 NOV 2014 | DOI: 10.1002/2014MS000366

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      Key Points

      • Moist convection has little impact on initial asymmetric wave growth
      • Main source term of asymmetric KE involves radial shear of primary circulation
      • Moist convection reduces intensity loss otherwise caused by instabilities
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      Steady state estimation of soil organic carbon using satellite-derived canopy leaf area index (pages 1049–1064)

      Yilin Fang, Chongxuan Liu, Maoyi Huang, Hongyi Li and L. Ruby Leung

      Article first published online: 2 DEC 2014 | DOI: 10.1002/2014MS000331

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      Key Points:

      • Steady state soil organic carbon (SOC) can be estimated without long spin-up
      • Satellite leaf area index is used to calculate carbon source in the model
      • Model captured global variability of SOC across dominant plant functional types
    7. You have full text access to this OnlineOpen article
      A new synoptic scale resolving global climate simulation using the Community Earth System Model (pages 1065–1094)

      R. Justin Small, Julio Bacmeister, David Bailey, Allison Baker, Stuart Bishop, Frank Bryan, Julie Caron, John Dennis, Peter Gent, Hsiao-ming Hsu, Markus Jochum, David Lawrence, Ernesto Muñoz, Pedro diNezio, Tim Scheitlin, Robert Tomas, Joseph Tribbia, Yu-heng Tseng and Mariana Vertenstein

      Article first published online: 2 DEC 2014 | DOI: 10.1002/2014MS000363

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      Key Points:

      • A new synoptic-resolving CESM simulation has been performed for 100 years
      • Good representation of Tropical sea surface temperature
      • Realistic levels of El-Niño Southern Oscillation variability
    8. You have full text access to this OnlineOpen article
      Sensitivity of the water cycle over the Indian Ocean and Maritime Continent to parameterized physics in a regional model (pages 1095–1120)

      Marcela Ulate, Jimy Dudhia and Chidong Zhang

      Article first published online: 3 DEC 2014 | DOI: 10.1002/2014MS000313

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      Key Points:

      • The water cycle can be better simulated only by improving model physics
      • Biases produced by a PBL scheme can penetrate into the middle troposphere
      • Biases produced by cumulus schemes can penetrate into the boundary layer
    9. You have full text access to this OnlineOpen article
      WTG cloud modeling with spectral decomposition of heating (pages 1121–1140)

      Michael J. Herman and David J. Raymond

      Article first published online: 3 DEC 2014 | DOI: 10.1002/2014MS000359

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      Key Points:

      • A spectral form of the weak temperature-gradient approximation is introduced
      • The spectral formulation is more accurate than the conventional scheme
      • WTG experiments should be more robust when using this scheme
    10. You have full text access to this OnlineOpen article
      Exploratory analysis of extremely low tropical cyclone activity during the late-season of 2010 and 1998 over the western North Pacific and the South China Sea (pages 1141–1153)

      Haikun Zhao, Pao-Shin Chu, Pang-Chi Hsu and Hiroyuki Murakami

      Article first published online: 3 DEC 2014 | DOI: 10.1002/2014MS000381

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      Key Points:

      • Unusually low TC activity in 2010 and 1998 has received less attention
      • To understand how the regional SST anomalies modulate circulations
      • Better understanding of factors affecting tropical cyclone activity
    11. You have full text access to this OnlineOpen article
      Characteristics of tropical cyclones in high-resolution models in the present climate (pages 1154–1172)

      Daniel A. Shaevitz, Suzana J. Camargo, Adam H. Sobel, Jeffrey A. Jonas, Daehyun Kim, Arun Kumar, Timothy E. LaRow, Young-Kwon Lim, Hiroyuki Murakami, Kevin A. Reed, Malcolm J. Roberts, Enrico Scoccimarro, Pier Luigi Vidale, Hui Wang, Michael F. Wehner, Ming Zhao and Naomi Henderson

      Article first published online: 5 DEC 2014 | DOI: 10.1002/2014MS000372

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      Key Points:

      • Multimodel comparison of tropical cyclone activity in global climate models
      • Geographic distribution of the TC activity is similar to observed
      • Most models produce tropical cyclones weaker than observed
    12. You have full text access to this OnlineOpen article
      Temporal, probabilistic mapping of ash clouds using wind field stochastic variability and uncertain eruption source parameters: Example of the 14 April 2010 Eyjafjallajökull eruption (pages 1173–1184)

      E. R. Stefanescu, A. K. Patra, M. I. Bursik, R. Madankan, S. Pouget, M. Jones, P. Singla, T. Singh, E. B. Pitman, M. Pavolonis, D. Morton, P. Webley and J. Dehn

      Article first published online: 8 DEC 2014 | DOI: 10.1002/2014MS000332

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      Key Points:

      • First time-varying probabilistic ash cloud forecast maps
      • High-fidelity probability mapping with moment optimization and high-resolution winds
      • Testing of outputs with standard metrics and against multimodel and SKEB
    13. You have full text access to this OnlineOpen article
      Cloud feedbacks on greenhouse warming in the superparameterized climate model SP-CCSM4 (pages 1185–1204)

      Christopher S. Bretherton, Peter N. Blossey and Cristiana Stan

      Article first published online: 13 DEC 2014 | DOI: 10.1002/2014MS000355

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      Key Points:

      • The superparameterized SP-CCSM4 has moderate positive cloud feedbacks
      • It simulates less low cloud over land as climate warms
      • SP-CCSM4 rapid cloud adjustments associated with abrupt CO2 increase are weak
    14. You have full text access to this OnlineOpen article
      Climate and climate sensitivity to changing CO2 on an idealized land planet (pages 1205–1223)

      Tobias Becker and Bjorn Stevens

      Article first published online: 13 DEC 2014 | DOI: 10.1002/2014MS000369

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      Key Points:

      • A low surface heat capacity couples troposphere to diurnal maximum temperature
      • Land-ocean warming contrast is reproducible by restricting latent heat release
      • Bottom-up drying exhausts lapse rate feedback prior to water vapor feedback
    15. You have full text access to this OnlineOpen article
      Impact of changes in the formulation of cloud-related processes on model biases and climate feedbacks (pages 1224–1243)

      Carlo Lacagnina, Frank Selten and A. Pier Siebesma

      Article first published online: 13 DEC 2014 | DOI: 10.1002/2014MS000341

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      Key Points:

      • Tuning choices affect weakly total feedback, but strongly cloud feedbacks
      • Connections between model fidelity and cloud feedbacks are shown
      • Total cloud feedback in EC-Earth is positive and small
    16. You have full text access to this OnlineOpen article
      Reconstructing source terms from atmospheric concentration measurements: Optimality analysis of an inversion technique (pages 1244–1255)

      Grégory Turbelin, Sarvesh Kumar Singh and Jean-Pierre Issartel

      Article first published online: 17 DEC 2014 | DOI: 10.1002/2014MS000385

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      Key Points:

      • A data assimilation technique (discrete renormalization technique) is proposed
      • The renormalized solution can be computed using a generalized inverse operator
      • This operator fulfils optimal properties for the localization of single sources
    17. You have full text access to this OnlineOpen article
      A mixed-layer model study of the stratocumulus response to changes in large-scale conditions (pages 1256–1270)

      Stephan R. De Roode, A. Pier Siebesma, Sara Dal Gesso, Harm J. J. Jonker, Jerôme Schalkwijk and Jasper Sival

      Article first published online: 17 DEC 2014 | DOI: 10.1002/2014MS000347

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      Key Points:

      • Stratocumulus LWP increases for increase in SST and fixed entrainment
      • Opposite is found if entrainment response is allowed and is strong enough
      • Sign of change in surface sensible heat flux depends on entrainment response
    18. You have full text access to this OnlineOpen article
      Precipitation characteristics of CAM5 physics at mesoscale resolution during MC3E and the impact of convective timescale choice (pages 1271–1287)

      William I. Gustafson Jr., Po-Lun Ma and Balwinder Singh

      Article first published online: 17 DEC 2014 | DOI: 10.1002/2014MS000334

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      Key Points:

      • Many precipitation issues from coarse scales remain at mesoscale grid spacing
      • Convective timescale strongly affects precipitation diurnal cycle
      • Shorter convective timescale reduces rain bias but degrades diurnal cycle
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      Impact of a spectral sampling technique for radiation on ECMWF weather forecasts (pages 1288–1300)

      Alessio Bozzo, Robert Pincus, Irina Sandu and Jean-Jacques Morcrette

      Article first published online: 23 DEC 2014 | DOI: 10.1002/2014MS000386

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      Key Points:

      • Radiation approximations have little impact on large scale ECMWF forecast errors
      • The spatial resolution of radiation affects the forecasts errors at local scales
      • Spectrally sparse and spatially dense radiation can reduce local forecast errors
    20. You have full text access to this OnlineOpen article
      Bulk or modal parameterizations for below-cloud scavenging of fine, coarse, and giant particles by both rain and snow (pages 1301–1310)

      Xihong Wang, Leiming Zhang and Michael D. Moran

      Article first published online: 23 DEC 2014 | DOI: 10.1002/2014MS000392

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      Key Points:

      • A new bulk below-cloud aerosol scavenging parameterization is developed
      • The parameterization is applicable to both rain and snow scavenging
      • The parameterization is applicable to modal-approach aerosol transport models
  3. Short Topics

    1. Top of page
    2. Issue Information
    3. Research Articles
    4. Short Topics
    1. You have full text access to this OnlineOpen article
      Impact of precipitation-induced sensible heat on the simulation of land-surface air temperature (pages 1311–1320)

      Nan Wei, Yongjiu Dai, Minghua Zhang, Liming Zhou, Duoying Ji, Siguang Zhu and Lili Wang

      Article first published online: 5 DEC 2014 | DOI: 10.1002/2014MS000322

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      Key Points:

      • HPR is calculated on a global long-term scale with a large amount in the ITCZ
      • HPR induces appreciable regional impact on TLSA simulation in northern winter
      • HPR helps to reduce TLSA simulation biases by up to 1 K at continental scales

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