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clouds on weather and climate with greatly improved realism; to evaluate the new model by comparison of model results
with observations; and to apply the model to understand the interactions of clouds with other components of the Earth
system, including the atmosphere, the vegetated land surface, and the oceans. CMMAP Research Highlights
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The Effects of Ice Nuclei on Clouds and Climate
Paul DeMott's research showing that concentration of ice nucleating particles play a critical role amount of cloud ice formation. - Improving
turbulance and cloud representation...
... without breaking the bank. Peter Bogenshutz looks at an improved PDF scheme to compute shallow convection in the MMF to improve compute cost. -
A Coupled Atmosphere-Ocean Model with Explicit Clouds
The new coupled ocean-atmosphere model, SP-CCSM, from Christiana Stan. - Subgrid-scale
representation for cloud-resolving models
Chin-Hoh Moeng studies individual cloud elements and turbulent subgrid-scale motions withing cloud-resolving models. - Implementation of a
two-moment microphysics scheme into the MMF
Marat Khairoutdinov and Hugh Morrison's recent work with the multiscale modeling framework (MMF) is highlighted here. - Finding the limits
of convective parameterizations
A look at Todd Jones' work on the capabilities and limitations of cumulus parameterizations in models with fine grid spacing. - Development of a
quasi-3D multi-scale modeling framework: Motivation, basic algorithm and
preliminary results
Joon-Hee Jung presents an update on the development of the Q3D MMF here. - Towards the new
generation of Earth's System Modeling
CMMAP scientist Cristina Stan's work on the coupled model. - Tracking parcels that
are entrained across cloud tops
Tak Yamaguchi's results on cloud-top cooling. - High-Detail
Simulation of Tropical Convection
Improving the simulation of clouds using a Cloud Resolving Model (CRM). - Low Clouds and
Climate Change
Understanding why models produce different changes in clouds for the same change in climate. - Heartbeat of the Climate
System Found in Tropical Thunderstorms
Following the cycle of the Madden-Julian Oscillation (MJO). - Nucleation
Processes in Deep Convection
Studying the impact of aerosols on ice clouds associated with deep convection. - High-frequency
Rainfall Variability Reveals Nature of Simulated Climates
Evaluating the realism of explicitly modeling rain systems using a Multiscale Modeling Framework (MMF). - Cloud Effects
on Climate
Establishing the role of clouds in the climate system. - Quasi-Lagrangian
Vertical Coordinates
Nonhydrostatic atmospheric modeling with a hybrid vertical coordinate. - Other center highlights
Models under development supported by CMMAP.
Quick link to Research Working Groups and Blogs :
Low-cloud Feedbacks | Dynamical Framework | MJO | Physical Processes Research Objectives
Center DirectorLow-cloud Feedbacks | Dynamical Framework | MJO | Physical Processes Research Objectives
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David A. Randall 222 Atmospheric Science West Colorado State University Fort Collins, CO 80523 970 491 8407 randall@atmos.colostate.edu |
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Research Team
| Name | Institution | Role in CMMAP |
| Thomas Ackerman | University of Washington, JISAO | Model evaluation using ARM data |
| Akio Arakawa | University of California, Los Angeles | Development of improved GCMs and cloud parameterizations |
| Peter Blossey | University of Washington | Physical Processes, Cloud-Climate Interactions & Coupled Modeling |
| Gordon Bonan | National Center for Atmospheric Research | Multiscale land-surface modeling |
| Mark Branson | Colorado State University | Model Development |
| Christopher Bretherton | University of Washington | Development of improved cloud parameterizations |
| Mingxuan Chen | Colorado State University | Model development |
| Anning Cheng | Langley Research Center, NASA | Development of boundary-layer parameterizations for use in the MMF |
| Minoru Chikira | Colorado State University | Development of improved conventional parameterizations of cumulus convection and the boundary layer |
| William Collins | Lawrence Berkeley Labs / UC Berkeley | Developer of radiative transfer parameterizations; Liaison to CCSM |
| Don Dazlich | Colorado State University | Model Development |
| Charlotte DeMott | Colorado State University | Model evaluation |
| Paul DeMott | Colorado State University | Model Development - microphysics parameterization |
| Alan Scott Denning | Colorado State University | Director for Education and Outreach; Use of MMFs to study the carbon cycle |
| Leo Donner | Geophysical Fluid Dynamics Laboratory, NOAA | Development of improved MMFs and improved conventional parameterizations |
| Grant Firl | Colorado State University | Development of subgrid-scale parameterization; low cloud-climate interactions |
| Andrew Gettelman | National Center for Atmospheric Research | Cloud-climate interactions |
| Steve Ghan | Pacific Northwest National Laboratory | Research on aerosols and cloud microphysics in climate change; External Advisory Panel |
| Wojciech Grabowski | National Center for Atmospheric Research | Development of improved CSRMs and MMFs |
| William Gustafson | Pacific Northwest National Laboratory | Cloud-climate interactions |
| Ross Heikes | Colorado State University | Model development |
| John Helly | UC-San Diego, SDSC | Director for Computation, and liaison to SDSC |
| Andrew Heymsfield | National Center for Atmospheric Research | Parameterization of ice microphysics |
| Joon-Hee Jung | Colorado State University | Development of quasi-3D MMF |
| Marat Khairoutdinov | Atmospheric Sciences at Stony Brook | Development of CSRMs and MMFs |
| George Kiladis | NOAA/ESRL | MJO research |
| Masahide Kimoto | Center for Climate Systems Research, University of Tokyo, Japan |
Scientific participant in CMMAP Workshops; development of improved MMFs |
| Celal Konor | Colorado State University | Model development |
| Gabriel Kooperman | UC-Irvine | Physical processes & land surface |
| Sonia Kreidenweis | Colorado State University | Use of MMFs with aerosol and cloud microphysics parameterizations |
| Steven Krueger | University of Utah | Development of improved MMFs |
| Zhiming Kuang | Harvard University | Development of improved cloud parameterizations |
| Christian Kummerow | Colorado State University | Liaison to TRMM and GPM; use of these datasets for model evaluation |
| Eric Maloney | Colorado State University | Analysis of tropical general circulation |
| Roger Marchand | University of Washington | Model evaluation |
| Rachel McCrary | National Center for Atmospheric Research | Model evaluation |
| Hiroaki Miura | Center for Climate Systems Research, University of Tokyo, Japan |
Development of GCRM |
| Chin-Hoh Moeng | National Center for Atmospheric Research | CMMAP Deputy Director and Development of boundary-layer parameterizations for use in the MMF |
| Mitchell Moncrieff | National Center for Atmospheric Research | Development of the MMF |
| Hugh Morrison | National Center for Atmospheric Research | Physical processes & cloud-climate interactions |
| Teruyuki Nakajim | Center for Climate Systems Research, University of Tokyo, Japan |
Development of improved CSRMs |
| Tomoe Nasuno | Frontier Research Project for Global Change, Japan |
Scientific participant in CMMAP Workshops; development of improved CSRMs |
| Rich Neale | National Center for Atmospheric Research | Develop process-oriented diagnostics for climate models, develop boreal summer intraseasonal oscillation diagnostics, and develop diagnostics for MJO forecasts. |
| Mikhail Ovtchinnikov | Pacific Northwest National Laboratory | Model evaluation |
| Ned Patton | National Center for Atmospheric Research | Improve the represenation of land processes and boundary-layer turbulence in the MMF |
| Robert Pincus | University of Colorado | Development of cloud parameterizations |
| Mike Pritchard | UC-Irvine | Model evaluation |
| David Randall | Colorado State University | Principal investigator; further development of the MMF |
| Masaki Satoh | Center for Climate Systems Research, University of Tokyo, Japan |
Development of improved MMFs |
| Verica Savic-Joycic | University of California, Los Angeles | Physical processes |
| Wayne Schubert | Colorado State University | Director for Knowledge Transfer; further development of the MMF with an emphasis on the choice of governing equations |
| Richard Somerville | Scripps Institution of Oceanography, UCSD | Development of cloud-radiation parameterizations |
| Bjorn Stevens | Max Planck Institute for Meteorology | Development of conventional parameterizations |
| Akamasa Sumi | Center for Climate Systems Research, University of Tokyo, Japan |
Development of improved MMFs |
| Wei-Kuo Tao | Goddard Space Flight Center, NASA | Development of improved MMFs, and application to data assimilation |
| Joao Teixeira | NASA/JPL | Testing MMF |
| Katharine Thayer-Calder | National Center for Atmospheric Research | Evaluation of simulated tropical atmospheric phenomena and development of improved convective parameterizations |
| Duane Waliser | NASA/JPL | MJO research |
| Minghuai Wang | Pacific Northwest National Laboratory | Research on aerosol indirect effects using the MMF |
| Chien-Ming Wu | University of California, Los Angeles | Cloud-climate interactions |
| Matt Wyant | University of Washington, JISAO | Application of MMF to low cloud feedback |
| Kuan-Man Xu | Langley Research Center, NASA | Development of boundary-layer parameterizations for use in the MMF |
| Tak Yamaguchi | NOAA/ESRL | Analysis of the role of entrainment in cloud growth and decay |
| Minghua Zhang | Atmospheric Sciences at Stony Brook | Model evaluation |
| Chengzhu Zhang | Scripps Institution of Oceanography, UCSD | Microphysics parameterization model development |
