A042
Climate Sensitivity and Feedbacks: Advances and New Paradigms
Session ID#: 247077
Session Description:
A major goal of current climate research is to reduce uncertainty in metrics of large-scale forced climate responses, such as the Equilibrium Climate Sensitivity (ECS), the eventual warming in response to doubled atmospheric CO2. The ECS is estimated to have a very likely range of 2-5 K, a range largely due to clouds and other moist processes. These processes are deeply intertwined and are linked to changes in societally important factors such as precipitation. This session explores recent advances in understanding large-scale climate response to climate forcings. We welcome submissions on theory, observations and modelling studies of climate feedbacks, climate sensitivity, and climate responses of precipitation and large-scale dynamics, especially those exploring novel evaluation techniques such as emergent constraints, and new ways of thinking about processes that govern climate's response to external forcing.
Index Terms:
3305 Climate change and variability [ATMOSPHERIC PROCESSES]
3310 Clouds and cloud feedbacks [ATMOSPHERIC PROCESSES]
3337 Global climate models [ATMOSPHERIC PROCESSES]
3360 Remote sensing [ATMOSPHERIC PROCESSES]
Primary Convener: Ivy Tan, University of Colorado Boulder, Boulder, United States
Conveners: Mark Richardson, NASA JPL, Pasadena, United States, Chad William Thackeray, University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, United States and Nicholas Lutsko, UCSD, Scripps Institution of Oceanography, La Jolla, United States
Student/Early Career Convener: Li-Wei Chao, Lawrence Livermore National Laboratory, Livermore, United States
The Efficiency of Water Vapor on Top-of-atmosphere Radiation (1855932)
Jing Feng, Princeton University, Princeton, NJ, United States, Nicole Feldl, University of California Santa Cruz, Santa Cruz, CA, United States, David Paynter, NOAA/ Geophysical Fluid Dynamics Laboratory, Princeton, United States, Zhihong Tan, NOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States and Pu Lin, NOAA/OAR/Geophysical Fluid Dynamics Laboratory, Princeton, United States
Observed trend in Earth energy imbalance may provide a constraint for low climate sensitivity models (Invited) (1863929)
Gunnar Myhre1, Øivind Hodnebrog1, Norman G Loeb2 and Piers Forster3, (1)CICERO Center for International Climate Research, Oslo, Norway, (2)NASA Langley Research Center, Hampton, VA, United States, (3)University of Leeds, School of Earth and Environment, Leeds, United Kingdom
Estimating the pattern effect with statistical methods (Invited) (1872446)
Maria Rugenstein, Colorado State University, Fort Collins, United States, Fredericks Leif, Colorado State University, Atmospheric Science, Fort Collins, United States, Senne Van Loon, Colorado State University, Department of Atmospheric Science, Fort Collins, United States and David W J Thompson, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States
A Nonlocal, Pattern-aware Response and Feedback Framework for Global Climate Response (1888653)
Jian Lu1, Parvathi Madathil Kooloth2, Yi Huang3, Derek DeSantis4, Yiling Huo5, Fukai Liu1, Zaiyu Wang6 and Hailong Wang5, (1)Ocean University of China, Qingdao, China, (2)University of Wisconsin Madison, Madison, United States, (3)McGill University, Atmospheric and Oceanic Sciences, Montreal, QC, Canada, (4)Los Alamos National Laboratory, Los Alamos, United States, (5)Pacific Northwest National Laboratory, Richland, WA, United States, (6)Ocean University of China, Oceanic and Atmospheric Sciences, Qingdao, China
Explaining the Transient and Equilibrium Longwave Feedback with Moist Adiabatic Theory and its Deviations (1916769)
Nicole Feldl, University of California Santa Cruz, Santa Cruz, CA, United States, Jing Feng, Princeton University, Princeton, NJ, United States and David Paynter, NOAA/ Geophysical Fluid Dynamics Laboratory, Princeton, United States
Quantifying Anthropogenic Aerosols' Role in Historical Radiative Feedback Parameter Evolution (1931476)
Kayla White1, Geeta Persad1, Clara Deser2, Adam Phillips3 and Xueying Zhao4, (1)University of Texas at Austin, Department of Earth and Planetary Sciences, Austin, United States, (2)National Center for Atmospheric Research, Climate and Global Dynamics Division, Boulder, CO, United States, (3)National Center for Atmospheric Research, Climate and Global Dynamics Division, Boulder, United States, (4)University of Texas at Austin, Department of Earth and Planetary Sciences, Austin, TX, United States
Cloud Classification without a Simulator: A Simplified Approach to Cloud Radiative Kernels (1931567)
Chanyoung Park, University of Miami, Rosenstiel School of Marine, Atmospheric, and Earth Science, Miami, FL, United States and Brian Soden, University of Miami, Rosenstiel School of Marine, Atmospheric, and Earth Science, Miami, United States
Making sense of ZEC and TCRE: A conceptual model for the coupled climate response to carbon emissions. (1932343)
Cristian Proistosescu, University of Illinois at Urbana Champaign, Department of Climate, Meteorology & Atmospheric Sciences, Urbana, United States, Abigail L. S. Swann, University of Washington, Department of Atmospheric and Climate Science and Department of Biology, Seattle, United States, Kyle Armour, University of Washington, School of Oceanography, Seattle, United States and B. B. Cael, University of Chicago, Climate Systems Engineering initiative, Chicago, United States
The Role of the Southern Ocean Mean State in Constraining Climate Sensitivity (1937235)
Yiqun Tian, Duke University, Durham, NC, United States, Shineng Hu, Duke University, Division of Earth and Climate Sciences, Nicholas School of the Environment, Durham, NC, United States, Clara Deser, National Center for Atmospheric Research, Climate and Global Dynamics Division, Boulder, CO, United States, Xianglei Huang, University of Michigan Ann Arbor, Department of Climate and Space Sciences and Engineering, Ann Arbor, MI, United States and Xiuhong Chen, University of Michigan, Department of Climate and Space Sciences and Engineering, Ann Arbor, United States
Moderate Tuning Uncertainty on the Climate Sensitivity of the EC-Earth3 Model (1958808)
Federico Fabiano1, Chiara Ventrucci2, Stefano Della Fera3, Deborah Rotoli1, Marianna Albanese4, Paolo Davini5, Jost von Hardenberg4 and Susanna Corti1, (1)CNR Institute of Atmospheric Sciences and Climate, Bologna, Italy, (2)University of Bologna, Department of Physics and Astronomy, Bologna, Italy, (3)CNR-IFAC, Institute of Applied Physics, Florence, Italy, (4)Polytechnic University of Torino, Torino, Italy, (5)CNR Institute of Atmospheric Sciences and Climate, Torino, Italy
A Prognostic Theory for the Land-Ocean Warming Contrast (1958863)
Paolo Giani, Massachusetts Institute of Technology, Cambridge, MA, United States, Arlene M Fiore, Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, Cambridge, United States and Noelle E Selin, Massachusetts Institute of Technology, Institute for Data, Systems, and Society; and Department of Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States
Radiative Feedbacks over the Historical Record: Insights from a New Reconstruction of Sea-Surface Temperature and Sea Ice (1975911)
Vincent Cooper1,2, Kyle Armour2,3 and Gregory J Hakim2, (1)Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, Cambridge, United States, (2)University of Washington, Department of Atmospheric and Climate Science, Seattle, United States, (3)University of Washington, School of Oceanography, Seattle, United States
Transient climate responses in idealized coupled Aqua and Ridge planets (1984158)
Youwei Ma1, Christopher Wolfe2, Kevin Reed2, Gan Zhang3, Isla Simpson4 and Brian Medeiros5, (1)Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, NY, United States, (2)Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, United States, (3)University of Illinois, Urbana, United States, (4)National Center for Atmospheric Research, CGD Laboratory, Boulder, United States, (5)National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, United States
ENSO as an Emergent Contraint on the Pattern Effect (1987787)
Tyler Hanke, University of Illinois at Urbana Champaign, Department of Atmospheric Sciences, Urbana, United States and Cristian Proistosescu, University of Illinois at Urbana Champaign, Department of Climate, Meteorology & Atmospheric Sciences, Urbana, United States
Controls on the pace of climate equilibration in climate models (1990178)
Emily Newsom, California Institute of Technology, Environmental Science and Engineering, Pasadena, United States, David B Bonan, University of Washington, Seattle, United States, Andrew F Thompson, California Institute of Technology, Pasadena, CA, United States, Kyle Armour, University of Washington, Dept. of Atmospheric and Climate Science and School of Oceanography, Seattle, United States and Laure Zanna, University of Oxford, Dept of Physics, Oxford, United Kingdom; New York University, New York, United States
