A027:
Cloud-aerosol-radiation-climate interactions in the southeast Atlantic





Session ID#: 24808

Session Description:
The southeastern Atlantic hosts one of the largest planetary low cloud decks, unique in being overlain by optically thick aerosol layers of biomass burning aerosol at times. The reflective clouds help set the regional large-scale circulation. The smoke layers absorb shortwave radiation and can produce a direct radiative climate warming when underlain by bright low clouds. The clouds, in turn, are susceptible to atmospheric aerosol in ways that include changes in atmospheric stability and free-tropospheric moisture, and microphysical interactions. The combined impacts on current and future climate are currently poorly understood. Both the low cloud deck and the smoke layer are challenging to simulate at all scales, constituting a major uncertainty in our understanding of  key processes and the regional climate. Studies that present new research focused on all aspects of observation and modeling of the interactions between clouds, aerosol, radiation, precipitation and climate over the southeastern Atlantic are solicited.
Primary Convener:  Paquita Zuidema, University of Miami, Miami, FL, United States
Conveners:  Sarah J Doherty, Univ Wash--JISAO, Seattle, WA, United States, Samuel E LeBlanc, NASA Ames Research Center, Moffett Field, CA, United States and Greg M McFarquhar, University of Illinois at Urbana Champaign, Atmospheric Sciences, Urbana, IL, United States
Index Terms:

0321 Cloud/radiation interaction [ATMOSPHERIC COMPOSITION AND STRUCTURE]
3311 Clouds and aerosols [ATMOSPHERIC PROCESSES]
3355 Regional modeling [ATMOSPHERIC PROCESSES]
3360 Remote sensing [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

James Matthew Haywood1, Steven Abel2, Justin Langridge3, Hugh Coe4, Alan M Blyth5, Nicolas Bellouin6, Philip Stier7, Paul Field3, Ken S Carslaw8 and Malcome Brooks9, (1)University of Exeter, Exeter, United Kingdom, (2)Met Office Hadley center for Climate Change, Exeter, United Kingdom, (3)Met Office, Exeter, United Kingdom, (4)University of Manchester, School of Earth and Environmental Sciences, Manchester, United Kingdom, (5)National Centre for Atmospheric Science, Environment, Leeds, United Kingdom, (6)University of Reading, Department of Meteorology, Reading, United Kingdom, (7)University of Oxford, Department of Physics, Oxford, United Kingdom, (8)University of Leeds, Leeds, LS2, United Kingdom, (9)UK Met Office, Reading, United Kingdom
Kenneth Lee Thornhill II, NASA Langley Research Center, Hampton, VA, United States and John D W Barrick, Science Systems and Applications, Inc. Hampton, Hampton, VA, United States
Siddhant Gupta1, Greg M McFarquhar2, Michael Poellot3, Joseph O'Brien3, David J Delene4 and Kenneth Lee Thornhill II5, (1)University of Illinois at Urbana Champaign, Atmospheric Sciences, Urbana, IL, United States, (2)Cooperative Institute for Mesoscale Meteorological Studies, University of Oklahoma, Norman, OK, United States, (3)University of North Dakota, Grand Forks, ND, United States, (4)Univ N Dakota-Atmospheric Scis, Grand Forks, ND, United States, (5)NASA Langley Research Center, Hampton, VA, United States
Paquita Zuidema1, Adeyemi Ayomide Adebiyi1, Allison C Aiken2, Yann Blanchard3, Vagner Castro4, Christine Chiu3, Bruno Cunha4, Rodrigo Delgadillo1, Connor Joseph Flynn5, Joseph Clinton Hardin6, Bradley M. Isom6, Paytsar Muradyan7, Kim L Nitschke2, Lakshmi Ramajiguru8, Maciej Ryczek Ryczek4, Arthur J Sedlacek III9, Stephen R. Springston10, Juarez Viagas4, Janek Uin10 and Jianhao Zhang1, (1)University of Miami, Miami, FL, United States, (2)Los Alamos National Laboratory, Los Alamos, NM, United States, (3)University of Reading, Reading, United Kingdom, (4)Atmospheric Radiation Measurement, Los Alamos, NM, United States, (5)PNNL, Richland, VA, United States, (6)Pacific Northwest National Laboratory, Richland, WA, United States, (7)Argonne National Laboratory, Argonne, IL, United States, (8)University of Miami, RSMAS/Dept. of Atmospheric Sciences, Miami, FL, United States, (9)Brookhaven National Lab, Upton, NY, United States, (10)Brookhaven National Laboratory, Upton, NY, United States
Richard Anthony Ferrare1, Sharon P Burton1, Anthony L Cook1, David B Harper1, Chris A Hostetler1, Johnathan W Hair2, Mark Vaughan3, Yongxiang Hu1, Marta A Fenn1, Marian Clayton4, Amy Jo Scarino1, Hiren T Jethva5, Andrew M Sayer6, Kerry Meyer6, Omar Torres6, Damien B Josset7 and Jens Redemann8, (1)NASA Langley Research Center, Hampton, VA, United States, (2)NASA Langley, Hampton, VA, United States, (3)NASA, Hampton, VA, United States, (4)SSAI, Hampton, VA, United States, (5)Universities Space Research Association Columbia, Columbia, MD, United States, (6)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (7)NRC research associate at Naval Research Laboratory, Ocean Optics, Sensors & Systems, Stennis Space Center, MS, United States, (8)NASA Ames Research Center, Moffett Field, CA, United States
Jens Redemann, NASA Ames Research Center, Moffett Field, CA, United States, Robert Wood, Univ Washington, Seattle, WA, United States, Paquita Zuidema, University of Miami, Miami, FL, United States and ORACLES Science Team
Fanny Peers1, James Matthew Haywood1, Peter N Francis2, Kerry Meyer3 and Steven E Platnick3, (1)University of Exeter, Exeter, EX4, United Kingdom, (2)Met Office, Exeter, United Kingdom, (3)NASA Goddard Space Flight Center, Greenbelt, MD, United States
David Noone, Oregon State University, College of Earth, Ocean and Atmospheric Sciences, Corvallis, OR, United States, Dean Henze, Oregon State University, Corvallis, OR, United States, Bryan Rainwater, University of Colorado at Boulder, Boulder, CO, United States and Darin W Toohey, Univ Colorado, Boulder, CO, United States
Andrew Dzambo1, Tristan L'Ecuyer1, Alyson Douglas2, Simone Tanelli3, Stephen L Durden4, Ousmane O Sy5 and ORACLES APR-3 Science Team, (1)University of Wisconsin Madison, Madison, WI, United States, (2)University of Wisconsin Madison, Department of Atmospheric and Oceanic Sciences, Madison, WI, United States, (3)California Institute of Technology, Pasadena, CA, United States, (4)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (5)Jet Propulsion Laboratory, Pasadena, CA, United States
Jianhao Zhang1, Paquita Zuidema1, Rodrigo Delgadillo1, Adeyemi Ayomide Adebiyi1 and LASIC Science Team, (1)University of Miami, Miami, FL, United States
Rose Miller1, Greg M McFarquhar2, Siddhant Gupta1, Michael Poellot3, Joseph O'Brien3 and David J Delene4, (1)University of Illinois at Urbana Champaign, Atmospheric Sciences, Urbana, IL, United States, (2)Cooperative Institute for Mesoscale Meteorological Studies, University of Oklahoma, Norman, OK, United States, (3)University of North Dakota, Grand Forks, ND, United States, (4)Univ N Dakota-Atmospheric Scis, Grand Forks, ND, United States
Sabrina Cochrane1,2, Sebastian Schmidt1,2, Hong Chen1,2, Peter Pilewskie2,3, Jens Redemann4, Samuel E LeBlanc4,5, Steven E Platnick6, Kerry Meyer6,7, Richard Anthony Ferrare7, Sharon P Burton7, Chris A Hostetler7 and Hironobu Iwabuchi8, (1)University of Colorado at Boulder, Boulder, CO, United States, (2)Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (3)University of Colorado at Boulder, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (4)NASA Ames Research Center, Moffett Field, CA, United States, (5)Bay Area Environmental Research Institute Sonoma, Sonoma, CA, United States, (6)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (7)NASA Langley Research Center, Hampton, VA, United States, (8)Tohoku University, Sendai, Japan
Amie Nicole Dobracki1, Steven G Howell1, Steffen Freitag1, Nikolai Smirnow1 and James Robert Podolske2, (1)University of Hawaii at Manoa, Honolulu, HI, United States, (2)NASA Ames Research Center, Moffett Field, CA, United States
Ian Yi-Yin Chang, University of Alabama in Huntsville, Huntsville, AL, United States and Sundar Anand Christopher, Univ Alabama Huntsville, Huntsville, AL, United States
Sam Pennypacker1, Robert Wood2 and Michael S Diamond1, (1)University of Washington Seattle Campus, Atmospheric Sciences, Seattle, WA, United States, (2)Univ Washington, Seattle, WA, United States
Adeyemi A Adebiyi1, Paquita Zuidema1, Richard Anthony Ferrare2 and Sharon P Burton2, (1)University of Miami, Miami, FL, United States, (2)NASA Langley Research Center, Hampton, VA, United States
Brian Cairns1, Kenneth Sinclair2, Snorre Stamnes3, Jacek Chowdhary4, Richard Anthony Ferrare3, Chris A Hostetler3 and Sharon P Burton5, (1)NASA Goddard Institute for Space Studies, New York, NY, United States, (2)CCSR / NASA GISS, New York, NY, United States, (3)NASA Langley Research Center, Hampton, VA, United States, (4)Columbia University in the City of New York, New York, NY, United States, (5)Langley Research Center, Hampton, United States
Samuel E LeBlanc1, Jens Redemann1, Connor Joseph Flynn2, Michal Segal-Rosenhaimer3, Meloe S Kacenelenbogen4, Yohei Shinozuka3, Kristina Pistone1, Yana Karol5, Sebastian Schmidt6, Sabrina Cochrane6, Hong Chen6, Kerry Meyer7, Richard Anthony Ferrare8, Sharon P Burton8, Chris A Hostetler8 and Johnathan W Hair9, (1)NASA Ames Research Center, Moffett Field, CA, United States, (2)PNNL, Richland, VA, United States, (3)BAERI/NASA Ames Research Center, Moffett Field, CA, United States, (4)BAERI, Moffett Field, CA, United States, (5)Universities Space Research Association Moffett Field, Moffett Field, CA, United States, (6)Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (7)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (8)NASA Langley Research Center, Hampton, VA, United States, (9)NASA Langley, Hampton, VA, United States
Kristina Pistone1,2, Jens Redemann1, Rob Wood3, Paquita Zuidema4, Connor Joseph Flynn5, Samuel E LeBlanc6, David Noone7, James Robert Podolske1, Michal Segal-Rosenhaimer8, Yohei Shinozuka8 and Kenneth Lee Thornhill II9, (1)NASA Ames Research Center, Moffett Field, CA, United States, (2)Universities Space Research Association Moffett Field, Moffett Field, CA, United States, (3)University of Washington Seattle Campus, Seattle, WA, United States, (4)University of Miami, Miami, FL, United States, (5)PNNL, Richland, VA, United States, (6)Bay Area Environmental Research Institute Sonoma, Sonoma, CA, United States, (7)Oregon State University, College of Earth Ocean and Atmospheric Science, Corvallis, OR, United States, (8)BAERI/NASA Ames Research Center, Moffett Field, CA, United States, (9)NASA Langley Research Center, Hampton, VA, United States
Gerard van Harten1, Feng Xu2, David J Diner3, Brian E Rheingans4, Mika G Tosca5, Felix Seidel6, Michael A Bull1, Irina N Tkatcheva1, James L McDuffie1, Michael J Garay2, Veljko M Jovanovic2, Brian Cairns7, Mikhail D Alexandrov8, Chris A Hostetler9, Richard Anthony Ferrare9 and Sharon P Burton9, (1)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (2)Jet Propulsion Laboratory, Pasadena, CA, United States, (3)JPL, Pasadena, CA, United States, (4)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (5)School of the Art Institute of Chicago, Chicago, IL, United States, (6)NASA Headquarters, Washington, DC, United States, (7)NASA GISS, New York, NY, United States, (8)Columbia Univ, New York, NY, United States, (9)NASA Langley Research Center, Hampton, VA, United States
Yann Blanchard1, Jui-Yuan Christine Chiu1, Robin J. Hogan2, Paquita Zuidema3 and Bradley M. Isom4, (1)University of Reading, Department of Meteorology, Reading, United Kingdom, (2)ECMWF, Reading, United Kingdom, (3)University of Miami, Miami, FL, United States, (4)Pacific Northwest National Laboratory, Richland, WA, United States
Michael S Diamond1, Andrew Dzambo2, Tristan L'Ecuyer2, Robert Wood3, Stephen L Durden4, Ousmane O Sy5, Simone Tanelli6, Steffen Freitag7, Steven G Howell7, Nikolai Smirnow7, Jennifer D. Small Griswold7, Ashley Heikkila7 and ORACLES, (1)University of Washington, Atmospheric Sciences, Seattle, WA, United States, (2)University of Wisconsin Madison, Madison, WI, United States, (3)Univ Washington, Seattle, WA, United States, (4)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (5)Jet Propulsion Laboratory, Pasadena, CA, United States, (6)California Institute of Technology, Pasadena, CA, United States, (7)University of Hawaii at Manoa, Honolulu, HI, United States
Karla Longo, Universities Space Research Association Greenbelt, Greenbelt, MD, United States and Arlindo M da Silva Jr., NASA Goddard Space Flight Center, Greenbelt, MD, United States
Kerry Meyer1, Steven E Platnick1, Thomas Arnold1,2, Jérôme Riedi3 and ORACLES Science Team, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)Science Systems and Applications, Inc., Lanham, MD, United States, (3)Laboratoire d'Optique Atmosphérique, Univ. Lille, CNRS, UMR 8518, Lille, France
Mary Kacarab1, Steven G Howell2, Jennifer D. Small Griswold2, Kenneth Lee Thornhill II3, Rob Wood4, Jens Redemann5 and Athanasios Nenes6, (1)Georgia Institute of Technology Main Campus, Earth and Atmospheric Sciences, Atlanta, GA, United States, (2)University of Hawaii at Manoa, Honolulu, HI, United States, (3)NASA Langley Research Center, Hampton, VA, United States, (4)University of Washington Seattle Campus, Seattle, WA, United States, (5)NASA Ames Research Center, Moffett Field, CA, United States, (6)Foundation for Research and Technology, Heraklion, Greece
Dean Henze, Oregon State University, Corvallis, OR, United States, David Noone, College of Earth, Ocean, and Atmospheric Science, Corvallis, OR, United States and NASA ORACLES
Steffen Freitag1, Steven G Howell1, Amie Nicole Dobracki1, Nikolai Smirnow1, Cody Winchester1, Arthur J Sedlacek III2, James Robert Podolske3 and David Noone4, (1)University of Hawaii at Manoa, Honolulu, HI, United States, (2)Brookhaven National Lab, Upton, NY, United States, (3)NASA Ames Research Center, Moffett Field, CA, United States, (4)College of Earth, Ocean, and Atmospheric Science, Corvallis, OR, United States
Gonzalo Andres Ferrada, University of Iowa, Center for Global and Regional Environmental Research, Iowa City, IA, United States, Gregory R Carmichael, The University of Iowa, Iowa City, IA, United States, Pablo Saide, Boston, MA, United States, Maryam Abdioskouei, University of Iowa, Iowa City, IA, United States and Meng Gao, Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States
Zheng Lu1, Xiaohong Liu1, Zhibo Zhang2, Chun Zhao3,4, Kerry Meyer5, Chamara Rajapakshe6, Chenglai Wu7, Zhifeng Yang6 and Joyce Penner8, (1)University of Wyoming, Department of Atmospheric Science, Laramie, WY, United States, (2)University of Maryland Baltimore County, Baltimore, MD, United States, (3)PNNL / Climate Physics, Richland, WA, United States, (4)University of Science and Technology of China, Hefei, China, (5)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (6)University of Maryland Baltimore County, Physics Department, Baltimore, MD, United States, (7)Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, (8)Univ Michigan, Ann Arbor, MI, United States
Sarah J Doherty1, Pablo Saide2, Paquita Zuidema3, Yohei Shinozuka4, Arlindo daSilva4, Greg M McFarquhar5, Leonhard Pfister6, Gregory R Carmichael7, Gonzalo Andres Ferrada8, Steven G Howell9, Steffen Freitag9, Amie Nicole Dobracki9, Nikolai Smirnow9, Karla Longo10, Samuel E LeBlanc11, Adeyemi A Adebiyi3, James Robert Podolske6, Jennifer D. Small Griswold9, Ashley Hekkila9, Rei Ueyama6, Robert Wood12, Jens Redemann6 and The ORACLES Science Team, (1)Univ Wash--JISAO, Seattle, WA, United States, (2)Boston, MA, United States, (3)University of Miami, Miami, FL, United States, (4)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (5)Cooperative Institute for Mesoscale Meteorological Studies, University of Oklahoma, Norman, OK, United States, (6)NASA Ames Research Center, Moffett Field, CA, United States, (7)The University of Iowa, Iowa City, IA, United States, (8)University of Iowa, Center for Global and Regional Environmental Research, Iowa City, IA, United States, (9)University of Hawaii at Manoa, Honolulu, HI, United States, (10)CPTEC Center for Weather Forecasts and Climate Research, Grupo de Modelagem da Atmosfera e Interfaces - GMAI, Cachoeira Paulista, Brazil, (11)Bay Area Environmental Research Institute Sonoma, Sonoma, CA, United States, (12)Univ Washington, Seattle, WA, United States