Articles | Volume 25, issue 21
https://doi.org/10.5194/acp-25-15527-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-15527-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Nov 2025
Research article |
| 13 Nov 2025
| 13 Nov 2025
Quantifying CO emissions from boreal wildfires by assimilating TROPOMI and TCCON observations
Sina Voshtani
CORRESPONDING AUTHOR
Department of Physics, University of Toronto, Toronto, Ontario, Canada
Dylan B. A. Jones
Department of Physics, University of Toronto, Toronto, Ontario, Canada
Debra Wunch
Department of Physics, University of Toronto, Toronto, Ontario, Canada
Drew C. Pendergrass
School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts, USA
Paul O. Wennberg
Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA
Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA, USA
David F. Pollard
New Zealand Institute for Earth Science Limited, Lauder, New Zealand
Isamu Morino
National Institute for Environmental Studies (NIES), Onogawa 16-2, Tsukuba, Ibaraki, Japan
Hirofumi Ohyama
National Institute for Environmental Studies (NIES), Onogawa 16-2, Tsukuba, Ibaraki, Japan
Nicholas M. Deutscher
Centre for Atmospheric Chemistry, School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, Australia
Frank Hase
Institute of Meteorology and Climate Research (IMK-ASF), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
Ralf Sussmann
Karlsruhe Institute of Technology (KIT), IMK-IFU, Garmisch-Partenkirchen, Germany
Damien Weidmann
Space Science and Technology Department, STFC Rutherford Appleton Laboratory, Didcot, OX11 0QX, UK
Rigel Kivi
Space and Earth Observation Centre, Finnish Meteorological Institute, Sodankylä, Finland
Omaira García
Izaña Atmospheric Research Centre (IARC), State Meteorological Agency of Spain (AEMET), Santa Cruz de Tenerife, Spain
Sorbonne Université, CNRS, MONARIS, UMR8233, 75005 Paris, France
Jack Chen
Air Quality Research Division, Environment and Climate Change Canada, Toronto, Ontario, Canada
Kerry Anderson
Air Quality Research Division, Environment and Climate Change Canada, Toronto, Ontario, Canada
formerly at: Natural Resources Canada, Edmonton, Alberta, Canada
retired
Robin Stevens
Department of Chemistry, Faculty of Arts and Sciences, Université de Montréal, Montréal, Quebec, Canada
School of Public Health, Université de Montréal, Montréal, Quebec, Canada
Climate Research Division, Environment and Climate Change Canada, Victoria, British Columbia, Canada
Shobha Kondragunta
Center for Satellite Application and Research, NOAA/NESDIS, College Park, USA
Aihua Zhu
IM Systems Group Inc., College Park, USA
Douglas Worthy
Climate Research Division, Environment and Climate Change Canada, Toronto, Ontario, Canada
Senen Racki
Climate Chemistry Measurements and Research, Environment and Climate Change Canada, Toronto, Ontario, Canada
Kathryn McKain
NOAA Global Monitoring Laboratory, Boulder, CO, USA
Maria V. Makarova
Department of Atmospheric Physics, Faculty of Physics, St. Petersburg State University, Saint Petersburg, Russia
Nicholas Jones
Centre for Atmospheric Chemistry, School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, Australia
Emmanuel Mahieu
Institute of Astrophysics and Geophysics, University of Liège, Liège 4000, Belgium
Andrea Cadena-Caicedo
Instituto de Ciencias de la Atmósfera y Cambio Climático Universidad Nacional Autonoma de Mexico, UNAM, Mexico City, Mexico
Instituto de Ciencias Físicas, UNAM, Cuernavaca, Morelos, Mexico
Paolo Cristofanelli
National Research Council of Italy, Institute of Atmospheric Sciences and Climate (ISAC), Bologna, Italy
Casper Labuschagne
South African Weather Service, Stellenbosch, South Africa
Elena Kozlova
University of Exeter, Hatherly Labs, Exeter, EX4 4PS, UK
Thomas Seitz
Empa, Swiss Federal Laboratories for Materials Science and Technology, 8600 Duebendorf, Switzerland
Martin Steinbacher
Empa, Swiss Federal Laboratories for Materials Science and Technology, 8600 Duebendorf, Switzerland
Reza Mahdi
GAW Bukit Kototabang Station, BMKG, Indonesia
Isao Murata
Graduate School of Environmental Studies, Tohoku University, Sendai, Japan
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Short summary
We assess the complementarity of the greater temporal coverage provided by ground-based remote sensing data with the spatial coverage of satellite observations when these data are used together to quantify CO emissions from extreme wildfires in 2023. Our results reveal that the commonly used biomass burning emission inventories significantly underestimate the fire emissions and emphasize the importance of the ground-based remote sensing data in reducing uncertainties in the estimated emissions.
We assess the complementarity of the greater temporal coverage provided by ground-based remote...
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