A126
Climate Sensitivity and Feedbacks: Advances and New Paradigms I

Friday, 11 December 2020: 10:30-11:30
Virtual
Primary Convener:  Mark Richardson, Jet Propulsion Laboratory, Pasadena, CA, United States
Conveners:  Daniel McCoy, University of Wyoming, Laramie, United States, Chad William Thackeray, University of Waterloo, Department of Geography and Environmental Management, Waterloo, Canada and Maria A.A. Rugenstein, Colorado State University, Fort Collins, United States
Primary Liaison:  Mark Richardson, Colorado State University, Fort Collins, CA, United States
Chairs:  Chad William Thackeray, University of Waterloo, Department of Geography and Environmental Management, Waterloo, Canada, Daniel McCoy, University of Wyoming, Laramie, United States and Mark Richardson, Colorado State University, Fort Collins, CA, United States
OSPA Liaison:  Daniel McCoy, University of Wyoming, Laramie, United States
10:30
A126-01
Linearity of outgoing longwave radiation: From an atmospheric column to global climate models (675284)
Yi Zhang1, Nadir Jeevanjee1 and Stephan Fueglistaler2, (1)Princeton University, Princeton, NJ, United States, (2)Princeton University, Department of Geosciences, Princeton, NJ, United States
10:34
A126-02
H2O Windows and CO2 Radiator Fins: A Clear-Sky Explanation for the Peak in ECS (730628)
Jacob Seeley, Harvard University, Center for the Environment, Cambridge, MA, United States and Nadir Jeevanjee, Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States
10:38
A126-03
Climate feedbacks through chemistry and aerosols in CMIP6 Earth system models (692774)
William Collins1, Gillian Thornhill2, Dirk Olivié3, Alexander T Archibald4, Susanne Bauer5, Gerd Folberth6, Ramiro Checa-Garcia7, Stephanie Fiedler8, Ada Gjermundsen9, Larry Wayne Horowitz10, J F Lamarque11, Martine Michou12, Jane Patricia Mulcahy13, Pierre Nabat14, Vaishali Naik10, Fabien Paulot15, Michael Schulz16, Catherine Scott17, Fiona M O'Connor18, Roland Séférian19, Christopher James Smith20, Toshihiko Takemura21, Simone Tilmes22 and James Weber4, (1)University of Reading, Reading, RG6, United Kingdom, (2)University of Reading, Reading, United Kingdom, (3)University of Oslo, Oslo, Norway, (4)University of Cambridge, Cambridge, United Kingdom, (5)NASA Goddard Institute for Space Studies, New York, United States, (6)Met Office Hadley center for Climate Change, ESMS, Exeter, United Kingdom, (7)Karlsruhe Institute of Technology, Karlsruhe, Germany, (8)University of Cologne, Institute of Geophysics and Meteorology, Cologne, Germany, (9)University of Oslo, Department of Geosciences, Oslo, Norway, (10)NOAA GFDL, Princeton, NJ, United States, (11)NCAR, Boulder, CO, United States, (12)Météo-France Toulouse, Toulouse Cedex 01, France, (13)Met Office Hadley Centre for Climate Change, Exeter, United Kingdom, (14)METEO FRANCE/CNRM, Toulouse, France, (15)NOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States, (16)Norwegian Meteorological Institute, Climate and Air Pollution Section, Oslo, Norway, (17)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (18)UK Met Office, Exeter, United Kingdom, (19)Meteo-France - CNRS, CNRM, CEN, Toulouse, France, (20)Center for International Climate and Environmental Research Oslo, Oslo, Norway, (21)Kyushu University, Research Institute for Applied Mechanics, Fukuoka, Japan, (22)National Center for Atmospheric Research, Atmospheric Chemistry, Observations, and Modeling Laboratory, Boulder, CO, United States
10:42
A126-04
Intermodel compensation between cloud feedback and aerosol indirect effect in CMIP6 (661486)
Chenggong Wang, Princeton University, Atmospheric and Oceanic Sciences, Princeton, New Jersey, United States, Brian J. Soden, University of Miami, Rosenstiel School for Marine and Atmospheric Science, Miami, FL, United States, Wenchang Yang, Princeton University, Department of Geosciences, Princeton, NJ, United States and Gabriel Andres Vecchi, NOAA/GFDL, Princeton, NJ, United States
10:46
A126-05
Future warming exacerbated by aged soot effect on cloud formation (676655)
Ulrike Lohmann, ETH Zurich, Zurich, Switzerland, Franz Friebel, ETH Zürich, Zürich, Switzerland, Zaminhussein A Kanji, ETH Swiss Federal Institute of Technology Zurich, Institute for Atmospheric and Climate Science, Zurich, Switzerland, Fabian Mahrt, University of British Columbia, Vancouver, BC, Canada, Amewu Mensah, City of Zurich, Zurich, Switzerland and David Neubauer, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
10:50
A126-06
Using the fast impact of anthropogenic aerosols on regional land temperature to constrain aerosol forcing (726747)
Yi Ming1, Zhaoyi Shen2 and Isaac Held2, (1)NOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States, (2)Princeton University, Princeton, NJ, United States
10:54
A126-07
Equilibrium climate sensitivity above 5°C plausible due to state-dependent cloud phase feedback (Invited) (690972)
Trude Storelvmo1, Jenny Bjordal1, Tim Carlsen2 and Kari Alterskjaer3,4, (1)University of Oslo, Oslo, Norway, (2)University of Oslo, Department of Geosciences, Oslo, Norway, (3)Univeristy of Oslo, Oslo, Norway, (4)Center for International Climate and Environmental Research Oslo, Oslo, Norway
10:58
A126-08
Climate Sensitivity Increases Under Higher CO2 Levels Due to Feedback Temperature Dependence (745523)
Jonah Bloch-Johnson1, Maria Rugenstein2, Martin B. Stolpe3, Tim Rohrschneider4, Yiyu Zheng4 and Jonathan M Gregory5,6, (1)National Centre for Atmospheric Research, University of Reading, Reading, United Kingdom, (2)Max Planck Institute for Meteorology, The Ocean in the Earth System, Hamburg, Germany, (3)ETH Zurich, Zurich, Switzerland, (4)Max Planck Institute for Meteorology, Hamburg, Germany, (5)National Centre for Atmospheric Science, University of Reading, Reading, United Kingdom, (6)Met Office Hadley Centre, Exeter, United Kingdom
11:02
Discussion
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