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Pyrocumulonimbus affect average stratospheric aerosol composition.

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Title: Pyrocumulonimbus affect average stratospheric aerosol composition.
Authors: 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.
Source: Science (pre-March 2025). 2/24/2023, Vol. 379 Issue 6634, p815-820. 6p. 2 Diagrams.
Subjects: Stratospheric aerosols, Climate change, Stratosphere, Wildfires, Soot, Clouds, Air pollutants, Photochemistry
Abstract: 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. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Pyrocumulonimbus affect average stratospheric aerosol composition.
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  Data: <searchLink fieldCode="AR" term="%22Katich%2C+J%2E+M%2E%22">Katich, J. M.</searchLink><br /><searchLink fieldCode="AR" term="%22Apel%2C+E%2E+C%2E%22">Apel, E. C.</searchLink><br /><searchLink fieldCode="AR" term="%22Bourgeois%2C+I%2E%22">Bourgeois, I.</searchLink><br /><searchLink fieldCode="AR" term="%22Brock%2C+C%2E+A%2E%22">Brock, C. A.</searchLink><br /><searchLink fieldCode="AR" term="%22Bui%2C+T%2E+P%2E%22">Bui, T. P.</searchLink><br /><searchLink fieldCode="AR" term="%22Campuzano-Jost%2C+P%2E%22">Campuzano-Jost, P.</searchLink><br /><searchLink fieldCode="AR" term="%22Commane%2C+R%2E%22">Commane, R.</searchLink><br /><searchLink fieldCode="AR" term="%22Daube%2C+B%2E%22">Daube, B.</searchLink><br /><searchLink fieldCode="AR" term="%22Dollner%2C+M%2E%22">Dollner, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Fromm%2C+M%2E%22">Fromm, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Froyd%2C+K%2E+D%2E%22">Froyd, K. D.</searchLink><br /><searchLink fieldCode="AR" term="%22Hills%2C+A%2E+J%2E%22">Hills, A. J.</searchLink><br /><searchLink fieldCode="AR" term="%22Hornbrook%2C+R%2E+S%2E%22">Hornbrook, R. S.</searchLink><br /><searchLink fieldCode="AR" term="%22Jimenez%2C+J%2E+L%2E%22">Jimenez, J. L.</searchLink><br /><searchLink fieldCode="AR" term="%22Kupc%2C+A%2E%22">Kupc, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Lamb%2C+K%2E+D%2E%22">Lamb, K. D.</searchLink><br /><searchLink fieldCode="AR" term="%22McKain%2C+K%2E%22">McKain, K.</searchLink><br /><searchLink fieldCode="AR" term="%22Moore%2C+F%2E%22">Moore, F.</searchLink><br /><searchLink fieldCode="AR" term="%22Murphy%2C+D%2E+M%2E%22">Murphy, D. M.</searchLink><br /><searchLink fieldCode="AR" term="%22Nault%2C+B%2E+A%2E%22">Nault, B. A.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 2/24/2023, Vol. 379 Issue 6634, p815-820. 6p. 2 Diagrams.
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  Data: <searchLink fieldCode="DE" term="%22Stratospheric+aerosols%22">Stratospheric aerosols</searchLink><br /><searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br /><searchLink fieldCode="DE" term="%22Stratosphere%22">Stratosphere</searchLink><br /><searchLink fieldCode="DE" term="%22Wildfires%22">Wildfires</searchLink><br /><searchLink fieldCode="DE" term="%22Soot%22">Soot</searchLink><br /><searchLink fieldCode="DE" term="%22Clouds%22">Clouds</searchLink><br /><searchLink fieldCode="DE" term="%22Air+pollutants%22">Air pollutants</searchLink><br /><searchLink fieldCode="DE" term="%22Photochemistry%22">Photochemistry</searchLink>
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  Label: Abstract
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  Data: 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=162047868
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        Value: 10.1126/science.add3101
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        Text: English
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        PageCount: 6
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      – SubjectFull: Stratospheric aerosols
        Type: general
      – SubjectFull: Climate change
        Type: general
      – SubjectFull: Stratosphere
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      – SubjectFull: Soot
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      – SubjectFull: Photochemistry
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