Extreme Ozone Loss Following Nuclear War Results in Enhanced Surface Ultraviolet Radiation

Bardeen, Charles G.; Kinnison, Douglas E.; Toon, Owen B.; Mills, Michael J.; Vitt, Francis; Xia, Lili; Jägermeyr, Jonas; Lovenduski, Nicole S.; Scherrer, Kim J. N.; Clyne, Margot; Robock, Alan

doi:10.1029/2021jd035079

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i

Extreme Ozone Loss Following Nuclear War Results in Enhanced Surface Ultraviolet Radiation

2021
By Bardeen, Charles G. ; Kinnison, Douglas E. ; Toon, Owen B. ; ...
Source: Journal of Geophysical Research: Atmospheres, 126(18)

[PDF-3.20 MB]

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Journal Title:

Journal of Geophysical Research: Atmospheres
Personal Author:

Bardeen, Charles G. ; Kinnison, Douglas E. ; Toon, Owen B. ; Mills, Michael J. ; Vitt, Francis ; ... More +

Bardeen, Charles G. ; Kinnison, Douglas E. ; Toon, Owen B. ; Mills, Michael J. ; Vitt, Francis ; Xia, Lili ; Jägermeyr, Jonas ; Lovenduski, Nicole S. ; Scherrer, Kim J. N. ; Clyne, Margot ; Robock, Alan Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information)

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) Less -
Description:

For the first time, we use a modern climate model with interactive chemistry including the effects of aerosols on photolysis rates to simulate the consequences of regional and global scale nuclear wars (injecting 5 and 150 Tg of soot respectively) for the ozone layer and surface ultraviolet (UV) light. For a global nuclear war, heating in the stratosphere, reduced photolysis, and an increase in catalytic loss from the HOx cycle cause a 15 year-long reduction in the ozone column, with a peak loss of 75% globally and 65% in the tropics. This is larger than predictions from the 1980s, which assumed large injections of nitrogen oxides (NOx), but did not include the effects of smoke. NOx from the fireball and the fires provide
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Atmospheric Science Earth And Planetary Sciences (miscellaneous) Geophysics Space And Planetary Science
Source:

Journal of Geophysical Research: Atmospheres, 126(18)
DOI:

https://doi.org/10.1029/2021jd035079
ISSN:

2169-897X;2169-8996;
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PDF
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:f7b97e6a3b0f47bd8afc2c271cf4d055971e5322366fb7395b9214e4e014ee5a
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https://repository.library.noaa.gov/view/noaa/52546/noaa_52546_DS1.pdf
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