Articles | Volume 22, issue 12
https://doi.org/10.5194/acp-22-8009-2022
© Author(s) 2022. 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-22-8009-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Jun 2022
Research article |
| 21 Jun 2022
| 21 Jun 2022
Characteristics and evolution of brown carbon in western United States wildfires
Linghan Zeng
School of Earth and Atmospheric Sciences, Georgia Institute of Technology,
Atlanta, GA, USA
Jack Dibb
College of Engineering and Physical Sciences, University of New
Hampshire, Durham, NH, USA
Eric Scheuer
College of Engineering and Physical Sciences, University of New
Hampshire, Durham, NH, USA
deceased, 2022
Joseph M. Katich
Cooperative Institute for Research in Environmental Sciences,
University of Colorado Boulder, Boulder, CO, USA
Chemical Sciences Laboratory, National Oceanic and Atmospheric
Administration, Boulder, CO, USA
Joshua P. Schwarz
Chemical Sciences Laboratory, National Oceanic and Atmospheric
Administration, Boulder, CO, USA
Ilann Bourgeois
Cooperative Institute for Research in Environmental Sciences,
University of Colorado Boulder, Boulder, CO, USA
Chemical Sciences Laboratory, National Oceanic and Atmospheric
Administration, Boulder, CO, USA
Jeff Peischl
Cooperative Institute for Research in Environmental Sciences,
University of Colorado Boulder, Boulder, CO, USA
Chemical Sciences Laboratory, National Oceanic and Atmospheric
Administration, Boulder, CO, USA
Tom Ryerson
Cooperative Institute for Research in Environmental Sciences,
University of Colorado Boulder, Boulder, CO, USA
Chemical Sciences Laboratory, National Oceanic and Atmospheric
Administration, Boulder, CO, USA
now at: Scientific Aviation, Boulder, CO, USA
Carsten Warneke
Chemical Sciences Laboratory, National Oceanic and Atmospheric
Administration, Boulder, CO, USA
Anne E. Perring
Department of Chemistry, Colgate University, Hamilton, NY, USA
Glenn S. Diskin
NASA Langley Research Center, Hampton, VA, USA
Joshua P. DiGangi
NASA Langley Research Center, Hampton, VA, USA
John B. Nowak
NASA Langley Research Center, Hampton, VA, USA
Richard H. Moore
NASA Langley Research Center, Hampton, VA, USA
Elizabeth B. Wiggins
NASA Langley Research Center, Hampton, VA, USA
Demetrios Pagonis
Cooperative Institute for Research in Environmental Sciences,
University of Colorado Boulder, Boulder, CO, USA
Department of Chemistry, University of Colorado Boulder, Boulder, CO,
USA
now at: Department of Chemistry and Biochemistry, Weber State
University, Ogden, UT, USA
Hongyu Guo
Cooperative Institute for Research in Environmental Sciences,
University of Colorado Boulder, Boulder, CO, USA
Department of Chemistry, University of Colorado Boulder, Boulder, CO,
USA
Pedro Campuzano-Jost
Cooperative Institute for Research in Environmental Sciences,
University of Colorado Boulder, Boulder, CO, USA
Department of Chemistry, University of Colorado Boulder, Boulder, CO,
USA
Jose L. Jimenez
Cooperative Institute for Research in Environmental Sciences,
University of Colorado Boulder, Boulder, CO, USA
Department of Chemistry, University of Colorado Boulder, Boulder, CO,
USA
Division of Geological and Planetary Sciences, California Institute of
Technology, Pasadena, CA, USA
now at: Chemical Sciences Laboratory, National Oceanic and Atmospheric
Administration, Boulder, CO, USA and Cooperative Institute for Research in
Environmental Sciences, University of Colorado Boulder, Boulder, CO, USA
School of Earth and Atmospheric Sciences, Georgia Institute of Technology,
Atlanta, GA, USA
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Latest update: 08 Nov 2025
Short summary
Wildfires emit aerosol particles containing brown carbon material that affects visibility and global climate and is toxic. Brown carbon is poorly characterized due to measurement limitations, and its evolution in the atmosphere is not well known. We report on aircraft measurements of brown carbon from large wildfires in the western United States. We compare two methods for measuring brown carbon and study the evolution of brown carbon in the smoke as it moved away from the burning regions.
Wildfires emit aerosol particles containing brown carbon material that affects visibility and...
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