A082
Quantifying Anthropogenic Methane Emissions: Finding Targets for Methane Mitigation Around the World through Atmospheric Methane Measurements

Session ID#: 160333

Session Description:
Methane is an important greenhouse gas and is responsible for approximately 25% of the total radiative forcing experienced to date. The relatively short lifetime of methane in the atmosphere compared to carbon dioxide make it an attractive mitigation target to restrict the pace of warming to pursue efforts to limit global warming to 1.5°C as per the Paris agreement. Applying all existing technologies to cut methane emissions from all sectors would reduce the rate of warming by 30%.

Anthropogenic methane originates from a wide range of sources such as fossil fuel production, rice cultivation, ruminants, and the waste sector. Each of these sectors provide different challenges to both accurately measure and to mitigate the emissions. Identifying and quantifying emissions are key to both informing national emission inventories and in planning and assessing methane emission reduction strategies.

This session will highlight measurement studies and programmes that focus on methane from human activities, with an emphasis on observations at all scales (from chambers to satellites) aiming to quantify and attribute methane to specific sources in order to inform on mitigation and policy decision making.

Index Terms:

0365 Troposphere: composition and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0428 Carbon cycling [BIOGEOSCIENCES]
1631 Land/atmosphere interactions [GLOBAL CHANGE]
3394 Instruments and techniques [ATMOSPHERIC PROCESSES]

Primary Convener:  James L France, Environmental Defense Fund & Royal Holloway University, London, United Kingdom
Conveners:  Stefan Schwietzke, Environmental Defense Fund, Berlin, Germany, Mary Kang, McGill University, Civil Engineering, Montreal, QC, Canada and Sven Krautwurst, University of Bremen, Institute of Environmental Physics (IUP), Bremen, Germany
Student/Early Career Convener:  Sven Krautwurst, University of Bremen, Institute of Environmental Physics (IUP), Bremen, Germany
 
Comprehensive Summary of Methane Quantification Results using Airborne Hyperspectral Imager (1043575)
Jean-Philippe Gagnon, Telops, Quebec City, QC, CANADA, Benjamin Saute and Wes Autran, Telops, Sales, Quebec, QC, Canada
 
Sector-wide Seasonal and Diurnal Trends of Methane, Nitrous Oxide, and Ammonia Emissions from Dairy Farms in California (1066749)
Nathan Li1, Daniel Moore2, Hongming Yi1, Lei Tao1, James McSpiritt1, Lars Preben Wendt1, Vladislav I Sevostianov1, Nidia Elisa Rojas Robles3, Francesca Mia Hopkins3 and Mark A Zondlo1, (1)Princeton University, Civil and Environmental Engineering, Princeton, United States, (2)Princeton University, Civil and Environmental Engineering, Princeton, NJ, United States, (3)University of California Riverside, Department of Environmental Sciences, Riverside, United States
 
Quantification of Methane Emissions from Large Sources in Southern Ontario by Mobile Mass Balance Method (1068595)
Yeuhyun Kim and Robert McLaren, York University, Toronto, ON, Canada
 
Seasonal and Inter-annual Variability in Methane Emissions in Washington, DC and Baltimore, MD, USA (1071879)
Anna Karion1, Subhomoy Ghosh1, Israel Lopez-Coto2, Kimberly Mueller3, James R Whetstone1 and Joseph Robert Pitt2,4, (1)National Institute of Standards and Technology Gaithersburg, Gaithersburg, MD, United States, (2)Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, United States, (3)NIST, Gaithersburg, MD, United States, (4)University of Manchester, Manchester, United Kingdom
 
Quantifying 8 Years of Methane Emissions and Trends in Indianapolis, Indiana Using a Continuous Observational Tower Network (1089023)
Zachary Barkley1, Kenneth J Davis2, Natasha Miles2, Scott Richardson2 and Aijun Deng3, (1)Pennsylvania State University Main Campus, University Park, PA, United States, (2)The Pennsylvania State University, Department of Meteorology and Atmospheric Science, University Park, United States, (3)Utopus Insights, Inc., Valhalla, United States
 
How much methane comes from an abandoned Colorado coal mine? Enough to justify undoing 30 years of forest reclamation? (1094949)
Colin Slunecka, Colorado State University, Fort Collins, United States and Joseph C von Fischer, Colorado State Univ, Fort Collins, CO, United States
 
Observations of natural and anthropogenic CH4 and CO2 emissions by combined active, passive and in-situ airborne measurements during the CoMet 2.0 Arctic mission in Canada 2022 (1114105)
Sven Krautwurst1, Jakob Borchardt1, Oke Huhs1, Konstantin Gerilowski1, John Philip Burrows FRS1, Andreas Fix2, Heinrich Bovensmann1 and CoMet 2.0 Arctic Team, (1)University of Bremen, Institute of Environmental Physics (IUP), Bremen, Germany, (2)Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institute of Atmospheric Physics, Oberpfaffenhofen, Germany
 
Individual Source Measurements of Methane Emissions from Biogenic Urban Sources in Canadian Cities (1121742)
James Philip Williams1, Lawson Gillespie2, Sebastien Ars3, Felix R Vogel4, Louise Klotz5, Debra Wunch6, Mary Kang5 and Ralf Staebler7, (1)McGill University, Montreal, QC, Canada, (2)University of Toronto, Physics, Toronto, ON, Canada, (3)Environment and Climate Change Canada, Toronto, Canada, (4)Environment and Climate Change Canada, Climate Research Division, Toronto, Canada, (5)McGill University, Civil Engineering, Montreal, QC, Canada, (6)California Institute of Technology, Pasadena, United States, (7)Environment and Climate Change Canada, Toronto, ON, Canada
 
Assessing the Methane Column Precision for the GHGSat Constellation (1128261)
Antoine Ramier, Marianne Girard, Dylan Jervis, Jean-Philippe MacLean, David J Marshall, Jason McKeever, Mathias Strupler, Ewan Tarrant and David Young, GHGSat, Inc., Montreal, QC, Canada
 
Aerial Measurements of Methane Emissions from Oil and Gas Production Regions and Midstream/End use Facilities in Canada (1133268)
Zhongju Li, Environmental Defense Fund DC, Washington, United States, Scott Seymour, Environmental Defense Fund, Ottawa, ON, Canada, Katlyn MacKay, Environmental Defense Fund New York, New York, United States, Daniel Zavala Araiza, Post Doctoral Scientist, Austin, United States, Mackenzie Smith, University of California - Davis, Davis, United States and Donglai Xie, Environmental Defense Fund Boulder, Boulder, United States
 
East Asian Methane Emissions Inferred from High-resolution Inversions of GOSAT and TROPOMI Observations: a Comparative and Evaluative Analysis (1138755)
Ruosi Liang1,2, Yuzhong Zhang1, Jingran Liu1,2, Wei Chen1,2, Peixuan Zhang1,3, Cuihong Chen4, Huiqin Mao4, Guofeng Shen5, Zhen Qu6, Zichong Chen6, Minqiang Zhou7, Pucai Wang7, Robert Parker8, Hartmut Boesch8, Alba Lorente9, Joannes Maasakkers9 and Ilse Aben9, (1)Westlake University, Hangzhou, China, (2)Zhejiang University, Hangzhou, China, (3)Fudan University, Shanghai, China, (4)Center for Satellite Application on Ecology and Environment, Ministry of Ecology and Environment of China, Beijing, China, (5)Peking University, Beijing, China, (6)Harvard University, Cambridge, MA, United States, (7)Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, (8)University of Leicester, Leicester, United Kingdom, (9)SRON Netherlands Institute for Space Research, Leiden, Netherlands
 
Estimating Local CH4 Emissions in the Upper Silesian Coal Basin Using Inverse Modelling (1146192)
Sebastian Wolff, Christoph Kiemle, Gerhard Ehret, Mathieu Quatrevalet, Martin Wirth, Andreas Fix and Friedemann Reum, German Aerospace Center (DLR), Institute of Atmospheric Physics, Oberpfaffenhofen, Germany
 
Investigating national methane sources with satellite retrievals: a case of South Korea (1149163)
Changsub Shim1, Joongi Moon1 and Jihyun Han2, (1)KEI Korea Environment Institute, Sejong, South Korea, (2)Seoul Institute of Technology, Division of Climate and Environmental Research, Seoul, South Korea
 
Detection and Quantification of Methane Super-Emitters by Combining Multiple Satellite Instruments (1152151)
Joannes D Maasakkers1, Berend Schuit1,2, Gourav Mahapatra1, Alba Lorente1, Pieter Bijl1, Tobias Borsdorff1, Sander Houweling1,3, Sudhanshu Pandey4, Daniel J. Varon2,5, Dylan Jervis2, Jason McKeever2, Itziar Irakulis-Loitxate6, Luis Guanter6,7, Daniel Cusworth8,9, Cynthia Randles10 and Ilse Aben1, (1)SRON Netherlands Institute for Space Research, Leiden, Netherlands, (2)GHGSat, Inc., Montreal, QC, Canada, (3)Vrije Universiteit Amsterdam, Amsterdam, Netherlands, (4)Jet Propulsion Laboratory/California Institute of Technology, Pasadena, CA, United States, (5)Harvard University, Cambridge, United States, (6)Research Institute of Water and Environmental Engineering (IIAMA), Universitat Politècnica de València, Valencia, Spain, (7)Environmental Defense Fund, New York, United States, (8)University of Arizona, Tucson, United States, (9)Carbon Mapper, Pasadena, United States, (10)United Nations Environment Programme, Paris, France
 
Estimating Urban Methane Emissions from Space using TROPOMI CH4:CO Enhancement Ratios (1156926)
Erica Whiting, Genevieve Plant and Eric A Kort, University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, United States
 
Quantifying Methane Emissions Across a Diverse Set of Large Landfills in the United States and Canada (1158215)
Daniel Cusworth1, Alana Ayasse2, Andrew K Thorpe3 and Riley Duren2, (1)University of Arizona, Tucson, AZ, United States, (2)University of Arizona, Tucson, United States, (3)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States
 
Assessing methane hotspots from satellite observations and field measurements in the Delmarva region (1167487)
Mohammad Amir Khan1, Al Alexis2, Zakaria Juracka1, Darius Boyce2, Ryan Bischof2, Zayna Juracka2 and Xavier Robbins2, (1)Delaware State University, Dover, DE, United States, (2)Delaware State University, Dover, United States
 
Mapping Methane Sources in the Baltimore-Washington, DC Area Using an Instrumented Mobile Platform (1167606)
Xinrong Ren1, Paul Kelley1, Phillip Stratton2, Winston T Luke3, Anna Karion4, Stephanie Yarwood5, Tyler Boyle6 and Russell R. Dickerson7, (1)NOAA College Park, College Park, MD, United States, (2)NOAA Air Resources Lab, College Park, United States, (3)NOAA-Air Resources Lab, Silver Spring, MD, United States, (4)National Institute of Standards and Technology, Gaithersburg, MD, United States, (5)University of Maryland, Environment Science and Technology, College Park, United States, (6)NIST, Gaithersburg, United States, (7)University of Maryland, College Park, United States
 
Urban Methane Enhancements from the Underlying Ground Infrastructure of College Park, Maryland (1170816)
Julianne M Fernandez, University of Maryland College Park, Department of Geology, College Park, MD, United States, Juliana Guerra, University of Maryland, College Park, Department of Environmental Science and Technology, College Park, United States, Danielle Niu, University of Maryland College Park, Department of Geology, College Park, United States and James Farquhar, University of Maryland College Park, Department of Geology and ESSIC, College Park, United States
 
Spatiotemporal Scales of Methane Concentration Enhancement across 16 US Urban Areas: an Analysis of Patterns and Drivers (1171445)
Olivia Hajek, Colorado State University, Fort Collins, CO, UNITED STATES and Joseph von Fischer, Colorado State University, Department of Biology, Fort Collins, CO, United States
 
Characterization of Natural Gas and Agricultural Methane Emission Variability with Open-Path Dual-Comb Spectroscopy (1173547)
Griffin Mead1, Daniel Herman2, Fabrizio Giorgetta2, Nathan Malarich1, Esther Baumann2, Brian Washburn2, Nathan Newbury2, Ian Coddington2 and Kevin Cossel3, (1)National Institute of Standards and Technology Boulder Laboratories, Boulder, United States, (2)National Institute of Standards and Technology Boulder Laboratories, Boulder, CO, United States, (3)National Institute of Standards and Technology Boulder, Boulder, United States
 
Multi-Scale Measurements of Methane Venting from CHOPS Wells and Mitigation Implications (1182295)
Simon Festa-Bianchet, David R Tyner and Matthew R. Johnson, Carleton University, Mechanical & Aerospace Engineering, Ottawa, ON, Canada
 
Bridging the Gap: Frequency Combs for a Next-Generation GHG Monitoring Network (1186357)
Newton Nguyen1, Kevin Cossel2, Eleanor Waxman3,4, Ian Coddington5, Nathan Newbury5 and Christian Frankenberg6, (1)California Institute of Technology, Pasadena, CA, United States, (2)National Institute of Standards and Technology Boulder, Boulder, United States, (3)University of Colorado at Boulder, Boulder, United States, (4)National Institute of Standards and Technology Boulder Laboratories, Boulder, United States, (5)National Institute of Standards and Technology Boulder Laboratories, Boulder, CO, United States, (6)California Institute of Technology, Pasadena, United States
 
Quantification and Visualization of Methane Emissions from Wastewater Treatment Plants and Related Facilities using two Novel Methods – Infrared Hyperspectral Imaging and a new Sensitive Drone-based System (1190777)
Magnus Galfalk1, David Bastviken1, Sören Nilsson Påledal2 and Robert Sehlén2, (1)Linköping University, Linköping, Sweden, (2)Tekniska Verken, Linköping, Sweden
 
Comparison of TROPOMI Satellite Inversions of Methane to Regional-scale Modelling in Canada (1192354)
Sabour Baray, Environment and Climate Change Canada, Climate Research Division, Toronto, ON, Canada, Felix R Vogel, Environment and Climate Change Canada, Climate Research Division, Toronto, Canada, Daniel J. Varon, Harvard University, Cambridge, United States, Craig Stroud, Environment and Climate Change Canada, Toronto, ON, Canada and Dylan B. A. Jones, University of Toronto, Department of Physics, Toronto, ON, Canada
 
A Measurement-Based Methane Inventory for Conventional Upstream Oil & Gas Production in Canada (1194219)
Matthew Johnson, David R Tyner and Bradley Mark Conrad, Carleton University, Mechanical & Aerospace Engineering, Ottawa, ON, Canada
 
Correcting Aerosol Effects from CLARS-FTS Methane Measurements Using Regression and Machine Learning (1199363)
James (Young Suk) Yoon, University of California Los Angeles, Los Angeles, CA, United States and Stanley Sander, JPL, Pasadena, CA, United States
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