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Session Proposal: Exploring the role of methane in the Earth system using climate model simulations (AGU25)

GC048
Exploring the role of methane in the Earth system using climate model simulations

Session ID#: 247433

Session Description:
Methane is a potent greenhouse gas with substantial effects on near-term climate and air quality. This session explores advances in understanding the role of methane in the Earth system from a climate modelling perspective. We invite studies that quantify the climate, atmospheric composition, and health impacts of historical methane trends and future emissions trajectories, including those aligned with the Global Methane Pledge or involving methane removal. We also welcome work on the simulation of natural methane sources and potential feedbacks under future warming, and the role of methane in past and present climates. Contributions using models across the complexity hierarchy—from reduced-form climate emulators to comprehensive Earth System Models—are encouraged, as are studies highlighting recent model developments in methane-related chemical and radiative processes. This session aims to bring together a range of approaches to improve understanding of methane’s role in the climate system and inform mitigation strategies.
Co-Sponsor(s):
  • A - Atmospheric Sciences
Index Terms:

0365 Troposphere: composition and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]
1610 Atmosphere [GLOBAL CHANGE]
1622 Earth system modeling [GLOBAL CHANGE]
3305 Climate change and variability [ATMOSPHERIC PROCESSES]
Primary Convener:  Mark England, University of California Irvine, Irvine, CA, United States
Conveners:  Drew T Shindell, Duke University, Nicholas School of the Environment, Durham, United States, Yangyang Xu, Texas A&M University, Department of Atmospheric Sciences, College Station, United States and Dr. Vaishali Naik, Ph.D., NOAA/ Geophysical Fluid Dynamics Laboratory, Princeton, United States
 
Distinct Efficacy of Regional Emissions in Affecting Global Concentrations: A Modeling Study with Interactive Methane Chemistry and Emission Tags (1876933)
Chuan Feng, College Station, TX, UNITED STATES, Yangyang Xu, University of California San Diego, La Jolla, United States, Mohammad Amin Mirrezaei, University of Arizona, Department of Hydrology and Atmospheric Sciences, Tucson, AZ, United States, Benjamin Gaubert, National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations & Modeling Laboratory (ACOM), Boulder,CO, United States, Rob Buechler, Stanford University, Mechanical Engineering, Stanford, United States and Mohammad Amin Mirrezaei
 
Chemistry-climate feedback of atmospheric methane in a methane-emission-flux-driven chemistry-climate model (1891055)
Laura Stecher1,2, Franziska Winterstein3, Patrick Joeckel3, Michael Ponater1, Mariano Mertens1,4 and Martin Dameris1, (1)German Aerospace Center DLR Oberpfaffenhofen, Institute of Atmospheric Physics, Oberpfaffenhofen, Germany, (2)University of Cambridge, Yusuf Hamied Department of Chemistry, Cambridge, United Kingdom, (3)German Aerospace Center DLR Oberpfaffenhofen, Institute of Atmospheric Physics, Wessling, Germany, (4)Delft University of Technology, Faculty of Aerospace Engineering, Section Operations and Environment, Delft, Netherlands
 
Key Questions for Methane Modeling (Invited) (1911334)
Gabrielle B Dreyfus1,2, Julie Miller1, Phil Duffy3 and Ilissa Ocko3, (1)Institute for Governance & Sustainable Development, Washington, United States, (2)Georgetown University, Washington, United States, (3)Spark Climate Solutions, San Francisco, United States
 
Quantifying atmospheric methane emissions with satellite observations (Invited) (1912197)
Daniel J. Varon1, Tai-Long He2, Ye Seul Cho3, Shobha Kondragunta4, Lucas Estrada5, Dandan Zhang5, Melissa Payer Sulprizio5 and Daniel J. Jacob5, (1)Massachusetts Institute of Technology, Department of Aeronautics and Astronautics; Institute for Data, Systems, and Society, Cambridge, United States, (2)Massachusetts Institute of Technology, Institute for Data, Systems, and Society, Cambridge, United States, (3)University of Maryland College Park, College Park, United States, (4)NOAA/NESDIS/Center for Satellite Applications and Research, College Park, United States, (5)Harvard University, School of Engineering and Applied Sciences, Cambridge, United States
 
Modeling the Life–Cycle Impacts of Air Pollution on Global Methane and Ozone (1929549)
Calum Wilson, University of California Irvine, Earth System Science Department, Irvine, United States and Michael J Prather, Univ California Irvine, Irvine, CA, United States
 
An introduction to MethaneMIP: investigating the climate and health benefits of methane mitigation using Earth System Models (1964866)
Mark England1, Drew T Shindell2, Fiona M O'Connor3, Christopher James Smith4, Yangyang Xu5, Chuan Feng6, Benjamin Gaubert7, Tilo Ziehn8, Rachel Law9, Thomas Kleinen10, Dr. Vaishali Naik, Ph.D.11, Lise Seland Graff12, Dirk Olivié12, Martin Cussac13, Michael Sigmond14, Gregory Faluvegi15, Alexander Herron16 and J Jason West17, (1)University of California Irvine, Irvine, CA, United States, (2)Duke University, Nicholas School of the Environment, Durham, United States, (3)UK Met Office, Exeter, United Kingdom, (4)University of Leeds, Leeds, United Kingdom, (5)University of California San Diego, La Jolla, United States, (6)Texas A&M University, College Station, United States, (7)National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations & Modeling Laboratory (ACOM), Boulder,CO, United States, (8)CSIRO Oceans and Atmosphere, Aspendale, VIC, Australia, (9)CSIRO, Climate Atmosphere Ocean Interactions Program, Aspendale, Australia, (10)Max Planck Institute for Meteorology, Hamburg, Germany, (11)NOAA/ Geophysical Fluid Dynamics Laboratory, Princeton, United States, (12)Norwegian Meteorological Institute, Oslo, Norway, (13)Centre National de Recherches Météorologiques, Toulouse, France, (14)Canadian Centre for Climate Modelling and Analysis, Victoria, BC, Canada, (15)Columbia University, Center for Climate Systems Research, New York, NY, United States, (16)NASA Goddard Institute for Space Studies, New York, United States, (17)University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
 
Methane emissions data and insights from MethaneSAT mission 2024-2025 (Invited) (1979016)
Ritesh Gautam, Environmental Defense Fund, New York, United States and MethaneSAT Team
See more of: Global Environmental Change
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