Articles | Volume 20, issue 21
https://doi.org/10.5194/acp-20-13319-2020
© Author(s) 2020. 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-20-13319-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
11 Nov 2020
Research article |
| 11 Nov 2020
| 11 Nov 2020
Rapid evolution of aerosol particles and their optical properties downwind of wildfires in the western US
Environmental and Climate Sciences Department, Brookhaven National
Laboratory, Upton, NY, USA
Arthur J. Sedlacek III
Environmental and Climate Sciences Department, Brookhaven National
Laboratory, Upton, NY, USA
Kouji Adachi
Atmospheric Environment and Applied Meteorology Research Department, Meteorological Research Institute, Tsukuba, Japan
Peter R. Buseck
School of Earth and Space Exploration, Arizona State University,
Tempe, AZ, USA
Sonya Collier
Department of Environmental Toxicology, University of California,
Davis, CA, USA
now at: California Air Resources Board, Sacramento, CA, USA
Manvendra K. Dubey
Earth Systems Observations, Los Alamos National Laboratory, Los
Alamos, NM, USA
Anna L. Hodshire
Department of Atmospheric Science, Colorado State University, Fort
Collins, CO, USA
Ernie Lewis
Environmental and Climate Sciences Department, Brookhaven National
Laboratory, Upton, NY, USA
Timothy B. Onasch
Aerodyne Research Inc., Billerica, MA, USA
Jeffery R. Pierce
Department of Atmospheric Science, Colorado State University, Fort
Collins, CO, USA
John Shilling
Atmospheric Sciences and Global Change Division, Pacific Northwest
National Laboratory, Richland, WA, USA
Stephen R. Springston
Environmental and Climate Sciences Department, Brookhaven National
Laboratory, Upton, NY, USA
Jian Wang
Environmental and Climate Sciences Department, Brookhaven National
Laboratory, Upton, NY, USA
now at: Center for Aerosol Science and Engineering, Washington University, St. Louis, MO, USA
Department of Environmental Toxicology, University of California,
Davis, CA, USA
Shan Zhou
Department of Environmental Toxicology, University of California,
Davis, CA, USA
now at: Department of Chemistry, Syracuse University, Syracuse, NY, USA
Robert J. Yokelson
Department of Chemistry and Biochemistry, University of Montana,
Missoula, 59812 MT, USA
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Latest update: 26 Nov 2025
Short summary
Aerosols from wildfires affect the Earth's temperature by absorbing light or reflecting it back into space. This study investigates time-dependent chemical, microphysical, and optical properties of aerosols generated by wildfires in the Pacific Northwest, USA. Wildfire smoke plumes were traversed by an instrumented aircraft at locations near the fire and up to 3.5 h travel time downwind. Although there was no net aerosol production, aerosol particles grew and became more efficient scatters.
Aerosols from wildfires affect the Earth's temperature by absorbing light or reflecting it back...
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