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|a 10.1029/2022GL098712
|2 doi
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|a pubmed24n1524.xml
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|a eng
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|a Ziemke, Jerry R
|e verfasserin
|4 aut
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|a NASA Satellite Measurements Show Global-Scale Reductions in Free Tropospheric Ozone in 2020 and Again in 2021 During COVID-19
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 05.09.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022. The Authors.
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|a NASA satellite measurements show that ozone reductions throughout the Northern Hemisphere (NH) free troposphere reported for spring-summer 2020 during the COronaVIrus Disease 2019 pandemic have occurred again in spring-summer 2021. The satellite measurements show that tropospheric column ozone (TCO) (mostly representative of the free troposphere) for 20°N-60°N during spring-summer for both 2020 and 2021 averaged ∼3 Dobson Units (DU) (or ∼7%-8%) below normal. These ozone reductions in 2020 and 2021 were the lowest in the 2005-2021 record. We also include satellite measurements of tropospheric NO2 that exhibit reductions of ∼10%-20% in the NH in early spring-to-summer 2020 and 2021, suggesting that reduced pollution was the main cause for the low anomalies in NH TCO in 2020 and 2021. Reductions of TCO ∼2 DU (7%) are also measured in the Southern Hemisphere in austral summer but are not associated with reduced NO2
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|a Journal Article
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|a Kramarova, Natalya A
|e verfasserin
|4 aut
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1 |
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|a Frith, Stacey M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Liang-Kang
|e verfasserin
|4 aut
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| 700 |
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|a Haffner, David P
|e verfasserin
|4 aut
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| 700 |
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|a Wargan, Krzysztof
|e verfasserin
|4 aut
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| 700 |
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|a Lamsal, Lok N
|e verfasserin
|4 aut
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| 700 |
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|a Labow, Gordon J
|e verfasserin
|4 aut
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| 700 |
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|a McPeters, Richard D
|e verfasserin
|4 aut
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|a Bhartia, Pawan K
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Geophysical research letters
|d 1984
|g 49(2022), 15 vom: 16. Aug., Seite e2022GL098712
|w (DE-627)NLM098182501
|x 0094-8276
|7 nnns
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| 773 |
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|g volume:49
|g year:2022
|g number:15
|g day:16
|g month:08
|g pages:e2022GL098712
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|u http://dx.doi.org/10.1029/2022GL098712
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