Signatures of Anomalous Transport in the 2019/2020 Arctic Stratospheric Polar Vortex

Manney, Gloria L.; Millán, Luis F.; Santee, Michelle L.; Wargan, Krzysztof; Lambert, Alyn; Neu, Jessica L.; Werner, Frank; Lawrence, Zachary D.; Schwartz, Michael J.; Livesey, Nathaniel J.; Read, William G.

doi:10.1029/2022jd037407

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Signatures of Anomalous Transport in the 2019/2020 Arctic Stratospheric Polar Vortex

2022
By Manney, Gloria L. ; Millán, Luis F. ; Santee, Michelle L. ; ...
Source: Journal of Geophysical Research: Atmospheres, 127(20)

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Journal Title:

Journal of Geophysical Research: Atmospheres
Personal Author:

Manney, Gloria L. ; Millán, Luis F. ; Santee, Michelle L. ; Wargan, Krzysztof ; Lambert, Alyn ; ... More +

Manney, Gloria L. ; Millán, Luis F. ; Santee, Michelle L. ; Wargan, Krzysztof ; Lambert, Alyn ; Neu, Jessica L. ; Werner, Frank ; Lawrence, Zachary D. ; Schwartz, Michael J. ; Livesey, Nathaniel J. ; Read, William G. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; PSL (Physical Sciences Laboratory)

OAR (Oceanic and Atmospheric Research) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; PSL (Physical Sciences Laboratory) Less -
Description:

The exceptionally strong and long-lived Arctic stratospheric polar vortex in 2019/2020 resulted in large transport anomalies throughout the fall-winter-spring period from vortex development to breakup. These anomalies are studied using Aura MLS N2O, H2O, and CO long-lived trace gas data, ACE-FTS CH4 data, and meteorological and trace gas fields from reanalyses. Anomalies are strongest throughout the winter in the lower through the middle stratosphere (from about 500K through 700K), with record low (high) departures from climatology in N2O and CH4 (H2O). CO shows extreme high anomalies in midwinter through spring down to about 550K. Descent rates, vortex confinement, and trace gas distributions in the preceding months indicate
Keywords:

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Atmospheric Science Earth And Planetary Sciences (miscellaneous) Geophysics Space And Planetary Science
Source:

Journal of Geophysical Research: Atmospheres, 127(20)
DOI:

https://doi.org/10.1029/2022jd037407
ISSN:

2169-897X;2169-8996;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by-nc/4.0/
Rights Information:

CC BY-NC
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Library
Main Document Checksum:

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urn:sha256:0066609c26b9b4245eb81935986892260b9e6b138c96e2cab392c5d00bec2267
Download URL:

https://repository.library.noaa.gov/view/noaa/53979/noaa_53979_DS1.pdf
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