Black carbon lofts wildfire smoke high into the stratosphere to form a persistent plume

Author:

Yu Pengfei123ORCID,Toon Owen B.45,Bardeen Charles G.6ORCID,Zhu Yunqian5ORCID,Rosenlof Karen H.2ORCID,Portmann Robert W.2,Thornberry Troy D.12,Gao Ru-Shan2,Davis Sean M.2ORCID,Wolf Eric T.57ORCID,de Gouw Joost18ORCID,Peterson David A.9ORCID,Fromm Michael D.10,Robock Alan11ORCID

Affiliation:

1. Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA.

2. Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO, USA.

3. Institute for Environment and Climate Research, Jinan University, Guangzhou, China.

4. Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO, USA.

5. Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO, USA.

6. National Center for Atmospheric Research, Atmospheric Chemistry Division, Boulder, CO, USA.

7. Virtual Planetary Laboratory, Seattle, WA 98195, USA.

8. Department of Chemistry, University of Colorado, Boulder, CO, USA.

9. Naval Research Laboratory, Monterey, CA 93943, USA.

10. Naval Research Laboratory, Washington, DC 20375, USA.

11. Department of Environmental Sciences, Rutgers University, New Brunswick, NJ, USA.

Abstract

Up in smoke Extensive and intense wildfires in the Pacific Northwest of the United States in 2017 injected large quantities of smoke into the stratosphere. Yu et al. used satellite observations and modeling to characterize the history and chemistry of that smoke. The smoke rose to altitudes between 12 and 23 kilometers within 2 months owing to solar heating of black carbon. The smoke then remained in the stratosphere for more than 8 months. Photochemical loss of organic carbon resulted in a smoke lifetime 40% shorter than expected. Science , this issue p. 587

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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