Pyrocumulonimbus affect average stratospheric aerosol composition

Katich, J. M.; Apel, E. C.; Bourgeois, I.; Brock, C. A.; Bui, T. P.; Campuzano-Jost, P.; Commane, R.; Daube, B.; Dollner, M.; Fromm, M.; Froyd, K. D.; Hills, A. J.; Hornbrook, R. S.; Jimenez, J. L.; Kupc, A.; Lamb, K. D.; McKain, K.; Moore, F.; Murphy, D. M.; Nault, B. A.; Peischl, J.; Perring, A. E.; Peterson, D. A.; Ray, E. A.; Rosenlof, K. H.; Ryerson, T.; Schill, G. P.; Schroder, J. C.; Weinzierl, B.; Thompson, C.; Williamson, C. J.; Wofsy, S. C.; Yu, P.; Schwarz, J. P.

doi:10.1126/science.add3101

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Pyrocumulonimbus affect average stratospheric aerosol composition

2023
By Katich, J. M. ; Apel, E. C. ; Bourgeois, I. ; ...
Source: Science, 379(6634), 815-820

[PDF-689.29 KB]

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Science
Personal Author:

Katich, J. M. ; Apel, E. C. ; Bourgeois, I. ; Brock, C. A. ; Bui, T. P. ; ... More +

Katich, J. M. ; Apel, E. C. ; Bourgeois, I. ; Brock, C. A. ; Bui, T. P. ; Campuzano-Jost, P. ; Commane, R. ; Daube, B. ; Dollner, M. ; Fromm, M. ; Froyd, K. D. ; Hills, A. J. ; Hornbrook, R. S. ; Jimenez, J. L. ; Kupc, A. ; Lamb, K. D. ; McKain, K. ; Moore, F. ; Murphy, D. M. ; Nault, B. A. ; Peischl, J. ; Perring, A. E. ; Peterson, D. A. ; Ray, E. A. ; Rosenlof, K. H. ; Ryerson, T. ; Schill, G. P. ; Schroder, J. C. ; Weinzierl, B. ; Thompson, C. ; Williamson, C. J. ; Wofsy, S. C. ; Yu, P. ; Schwarz, J. P. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; CSL (Chemical Sciences Laboratory) ; GML (Global Monitoring Laboratory)

OAR (Oceanic and Atmospheric Research) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; CSL (Chemical Sciences Laboratory) ; GML (Global Monitoring Laboratory) Less -
Description:

Pyrocumulonimbus (pyroCb) are wildfire-generated convective clouds that can inject smoke directly into the stratosphere. PyroCb have been tracked for years, yet their apparent rarity and episodic nature lead to highly uncertain climate impacts. In situ measurements of pyroCb smoke reveal its distinctive and exceptionally stable aerosol properties and define the long-term influence of pyroCb activity on the stratospheric aerosol budget. Analysis of 13 years of airborne observations shows that pyroCb are responsible for 10 to 25% of the black carbon and organic aerosols in the “present-day” lower stratosphere, with similar impacts in both the North and South Hemispheres. These results suggest that, should pyroCb increase in frequency and/or magnitude in future climates, they could generate dominant trends in stratospheric aerosol.
Keywords:

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Multidisciplinary
Source:

Science, 379(6634), 815-820
DOI:

https://doi.org/10.1126/science.add3101
ISSN:

0036-8075;1095-9203;
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PDF
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American Association for the Advancement of Science (AAAS)
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Journal Article
Funding:

Grant no. NA17OAR4320101
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urn:sha256:ef0a6cd2770e243ea273a91509f9e70d887bda8ad8654453bdebc707b50bfaad
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https://repository.library.noaa.gov/view/noaa/53621/noaa_53621_DS1.pdf
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Pyrocumulonimbus affect average stratospheric aerosol composition

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