A44E:
Warm Boundary Layer Clouds and Climate Change from the Cloud to the Global Scale III

Thursday, 18 December 2014: 4:00 PM-6:00 PM
Chairs:  Armin Sorooshian, University of Arizona, Tucson, AZ, United States and Jan Kazil, University of Colorado at Boulder, Boulder, CO, United States
Primary Conveners:  Jan Kazil, NOAA/CIRES, Boulder, CO, United States
Co-conveners:  Armin Sorooshian, University of Arizona, Tucson, AZ, United States and Jan Kazil, University of Colorado at Boulder, Boulder, CO, United States
OSPA Liaisons:  Armin Sorooshian, University of Arizona, Tucson, AZ, United States

Abstracts Submitted to this Session:

4:00 PM
A44E-01
 
The Response of Trade-wind Clouds to a Changing Environment: Why Climate Model Cloud Feedbacks Might Differ from Nature?
Louise Nuijens1, Brian Medeiros2, Irina Sandu3 and Maike Ahlgrimm3, (1)Max Planck Institute for Meteorology, Hamburg, Germany, (2)NCAR/CGD, Boulder, CO, United States, (3)European Center for Medium-Range Weather Forecasts, Reading, United Kingdom
4:15 PM
A44E-02
 
Shallow cumulus rooted in photosynthesis
Jordi Vila-Guerau Arellano1,2, Ouwersloot H. G.2,3, G. Horn2, M. Sikma2, Cor MJ Jacobs4,5 and D Baldocchi6, (1)Wageningen University, Wageningen, Netherlands, (2)Wageningen Univiersity, Wageningen, Netherlands, (3)Max Planck Institute for Chemistry, Mainz, Germany, (4)Wageningen University, Wageningen, 6700, Netherlands, (5)Alterra Wageningen UR, CALM, Netherlands, (6)UC Berkeley, Environmental Science, Policy and Managment, Berkeley, CA, United States
4:30 PM
A44E-03
 
The Role of Cold Pools in Mesoscale Organization of Shallow Cumulus and Congestus
David B Mechem, University of Kansas, Lawrence, KS, United States, Scott E Giangrande, Brookhaven National Laboratory, Upton, NY, United States and David D Turner, NOAA Norman, Norman, OK, United States
4:45 PM
A44E-04
 
Investigating Warm Marine Boundary Layer Cloud Organization By Thermodynamic and Dynamic States with NASA a-Train and MERRA Reanalysis Data
Brian H Kahn1, Georgios Matheou2, Matthew Christensen2, Eric J Fetzer2, Matthew D Lebsock2, Joao Teixeira2 and Qing Yue3, (1)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (2)Jet Propulsion Laboratory, Pasadena, CA, United States, (3)Jet Propulsion Laboratory, Santa Monica, CA, United States
5:00 PM
A44E-05
 
Radiative forcing by coastal anthropogenic emissions explains observed 20th century Southeast Pacific cooling
Scott Spak, University of Iowa, Iowa City, IA, United States, Pablo E Saide, The University of Iowa, Iowa City, IA, United States, Marcelo Mena, Universidad Nacional Andres Be, Santiago, Chile and Gregory R Carmichael, Univ Iowa, Iowa City, IA, United States
5:15 PM
A44E-06
 
Transport of Mass and Water Vapor in Cumulus Topped Boundary Layer: A Case-Study from Arm Darwin Facility
Virendra P Ghate, Argonne National Laboratory, Argonne, IL, United States and Michael P Jensen, Brookhaven National Laboratory, Upton, NY, United States
5:30 PM
A44E-07
 
The Response of Marine Boundary Layer Clouds to Idealized Climate Perturbations
Peter N Blossey1, Christopher Stephen Bretherton1, Anning Cheng2, Satoshi Endo3, Thijs Heus4, Adrian Lock5, Johan van der Dussen6 and Kuan-Man Xu2, (1)Univ Washington, Seattle, WA, United States, (2)NASA Langley Research Center, Hampton, VA, United States, (3)Brookhaven National Laboratory, Upton, NY, United States, (4)MPI - Met, Hamburg, Germany, (5)Met Office Hadley center for Climate Change, Exeter, United Kingdom, (6)Delft University of Technology, Delft, Netherlands
5:45 PM
A44E-08
 
Aerosol Indirect Forcing Dictated by Warm Low-Cloud
Matthew Christensen, Colorado State University, Fort Collins, CO, United States, YI-Chun Chen, NASA Jet Propulsion Laboratory, Pasadena, CA, United States and Graeme L Stephens, Jet Propulsion Laboratory, Pasadena, CA, United States
 
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