Articles | Volume 25, issue 3
https://doi.org/10.5194/acp-25-1989-2025
© 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-25-1989-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Feb 2025
Research article |
| 14 Feb 2025
| 14 Feb 2025
Modeling actinic flux and photolysis frequencies in dense biomass burning plumes
Jan-Lukas Tirpitz
CORRESPONDING AUTHOR
Department of Atmospheric and Oceanic Sciences, UCLA, Los Angeles, CA, USA
Santo Fedele Colosimo
Department of Atmospheric and Oceanic Sciences, UCLA, Los Angeles, CA, USA
Nathaniel Brockway
Department of Chemistry and Biochemistry and Geophysical Institute, University of Alaska, Fairbanks, AK, USA
Robert Spurr
RT Solutions Inc., Cambridge, MA, USA
Matt Christi
independent researcher: Fort Collins, CO, USA
Samuel Hall
National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, USA
Kirk Ullmann
National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, USA
Johnathan Hair
National Aeronautics and Space Administration, Langley Research Center, Hampton, VA, USA
Taylor Shingler
National Aeronautics and Space Administration, Langley Research Center, Hampton, VA, USA
Rodney Weber
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
Jack Dibb
Earth Systems Research Center, University of New Hampshire, Durham, NH, USA
Richard Moore
National Aeronautics and Space Administration, Langley Research Center, Hampton, VA, USA
Elizabeth Wiggins
National Aeronautics and Space Administration, Langley Research Center, Hampton, VA, USA
Vijay Natraj
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
Nicolas Theys
Royal Belgian Institute for Space Aeronomy, Brussels, Belgium
Jochen Stutz
Department of Atmospheric and Oceanic Sciences, UCLA, Los Angeles, CA, USA
Data sets
Modeling actinic flux and photolysis frequencies in dense biomass burning plumes - Data asset Jan-Lukas Tirpitz https://doi.org/10.5281/zenodo.12802619
Short summary
We combine plume composition data from the 2019 NASA FIREX-AQ campaign with state-of-the-art radiative transfer modeling techniques to calculate distributions of actinic flux and photolysis frequencies in a wildfire plume. Excellent agreement of the model and observations demonstrates the applicability of this approach to constrain photochemistry in such plumes. We identify limiting factors for the modeling accuracy and discuss spatial and spectral features of the distributions.
We combine plume composition data from the 2019 NASA FIREX-AQ campaign with state-of-the-art...
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