A42C:
Boundary Layer Clouds and Climate Change I

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Session ID#: 16118

Session Description:
Boundary layer clouds are a key element in Earth's climate system. Their response and feedback to climate change is a leading source of uncertainty in projecting Earth's radiation budget and climate. This session provides a platform for observational, theoretical, and modeling work on warm and mixed-phase boundary layer clouds from the microscale to the global scale. Topics include mechanisms by which boundary layer clouds interact with climate in the course of trends and variations in atmospheric circulation, temperature, humidity, radiation, and composition. Interactions between natural and anthropogenic aerosol and clouds, mechanisms that link clouds with biological activity, vegetation, and surface processes, and consequences for radiation, precipitation, and climate are of equal interest.
Primary Convener:  Jan Kazil, University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States; University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States
Convener:  Armin Sorooshian, University of Arizona, Department of Chemical and Environmental Engineering, Tucson, AZ, United States
Chairs:  Jan Kazil, University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States; University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States and Armin Sorooshian, University of Arizona, Department of Chemical and Environmental Engineering, Tucson, AZ, United States
OSPA Liaison:  Jan Kazil, University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States; University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States
Index Terms:

3305 Climate change and variability [ATMOSPHERIC PROCESSES]
3307 Boundary layer processes [ATMOSPHERIC PROCESSES]
3310 Clouds and cloud feedbacks [ATMOSPHERIC PROCESSES]
3311 Clouds and aerosols [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

Improving the Understanding and Model Representation of Processes that Couple Shallow Clouds, Aerosols, and Land-Ecosystems (135934)
Jerome D Fast1, Larry K Berg2, Beat Schmid1, M. Lizabeth L Alexander1, David Bell3, Emma D'Ambro4, John M Hubbe1, Jiumeng Liu1, Fan Mei, PhD1, Mikhail S Pekour1, Tamara Pinterich5, Siegfried Schobesberger6, John Shilling7, Stephen R. Springston8, Joel A Thornton9, Jason M Tomlinson1, Jian Wang10 and Alla Zelenyuk1, (1)Pacific Northwest National Laboratory, Richland, WA, United States, (2)Pacific Northwest National Laboratory, Atmospheric Sciences and Global Change Division, Richland, WA, United States, (3)Universities Space Research Association Moffett Field, Moffett Field, CA, United States, (4)Univ Washington - Seattle, Seattle, WA, United States, (5)Brookhaven National Laboratory, Environmental and Climate Science, Upton, NY, United States, (6)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, WA, United States, (7)Pacific Northwest National Laboratory, Richland, United States, (8)Brookhaven National Laboratory, Upton, NY, United States, (9)University of Washington, Department of Atmospheric and Climate Science, Seattle, United States, (10)Brookhaven Natl Lab, Upton, United States
Identifying Meteorological Controls on Open and Closed Mesoscale Cellular Convection as Associated with Marine Cold Air Outbreaks (149321)
Isabel McCoy, University of Washington, Atmospheric Sciences, Seattle, WA, United States, Robert Wood, University of Washington, Department of Atmospheric Sciences, Seattle, United States and Jennifer Kathleen Fletcher, University of Leeds, School of Earth and Environment, Leeds, United Kingdom
Radiative characteristics of Clouds embedded in and occurring beneath Smoke analyzed using airborne multiangular measurements (159542)
Ritesh Gautam1, Charles K Gatebe2, Tamas Varnai3, Manoj Singh1 and Rajesh Poudyal4, (1)Indian Institute of Technology Bombay, Mumbai, India, (2)NASA Ames Research Center, Moffett Field, CA, United States, (3)University of Maryland Baltimore County, GESTAR-II, Baltimore, MD, United States, (4)SSAI, NASA GSFC, Greenbelt, United States
Energetic Constraints on the Response of Marine Low Clouds to Climate Change (Invited) (119210)
Tapio Schneider, LMD/IPSL, Rennes, France, Florent Brient, LMD/IPSL, Rennes, CDX, France and Zhihong Tan, NOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States
Shallow Cumulus Variability at the ARM Eastern North Atlantic Site (175271)
Pavlos Kollias, Stony Brook University, Stony Brook, NY, United States, Katia Lamer, Pennsylvania State University Main Campus, University Park, PA, United States, Virendra P Ghate, Argonne National Laboratory, Argonne, IL, United States and Edward P Luke, Brookhaven National Laboratory, Upton, United States
The radiative effect of boundary layer clouds: Can aircraft measurements improve regional estimates? (Invited) (180134)
Sebastian Schmidt1, Graham Feingold2, Peter Pilewskie3, Jens Redemann4, Odele Coddington5, Bruce C Kindel3, Shi Song6, Samuel E LeBlanc7, Sabrina Cochrane6 and Hong Chen8, (1)University of Colorado Boulder, Department of Atmospheric and Oceanic Sciences, Boulder, United States, (2)NOAA Boulder, Boulder, CO, United States, (3)University of Colorado at Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States, (4)University of Oklahoma, School of Meteorology, Norman, United States, (5)University of Colorado, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (6)University of Colorado at Boulder, Boulder, CO, United States, (7)NASA Ames Research Center, Moffett Field, United States, (8)University of Colorado at Boulder, Boulder, United States
Characteristics of aerosol wet deposition inferred from satellite re-analysis (182650)
Patrick Y Chuang1, Davi Schumacher1, Mikael Witte1 and Graham Feingold2, (1)University of California Santa Cruz, Santa Cruz, CA, United States, (2)NOAA Boulder, Boulder, CO, United States

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