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Drivers of hemispheric differences in return dates of mid-latitude stratospheric ozone to historical levels

Garny, Hella and Bodeker, G.E. and Smale, D. and Dameris, Martin and Grewe, Volker (2013) Drivers of hemispheric differences in return dates of mid-latitude stratospheric ozone to historical levels. Atmospheric Chemistry and Physics, 13, pp. 7279-7300. Copernicus Publications. DOI: 10.5194/acp-13-7279-2013 ISSN 1680-7316

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Abstract

Chemistry-climate models (CCMs) project an earlier return of northern mid-latitude total column ozone to 1980 values compared to the southern mid-latitudes. The chemical and dynamical drivers of this hemispheric difference are investigated in this study. The hemispheric asymmetry in return dates is a robust result across different CCMs and is qualitatively independent of the method used to estimate return dates. However, the differences in dates of return to 1980 levels between the southern and northern midlatitudes can vary between 0 and 30 yr across the range of CCM projections analyzed. Positive linear trends in ozone lead to an earlier return of ozone than expected from the return of Cly to 1980 levels.

Item URL in elib:https://elib.dlr.de/83796/
Document Type:Article
Title:Drivers of hemispheric differences in return dates of mid-latitude stratospheric ozone to historical levels
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Garny, HellaDLR-IPAUNSPECIFIED
Bodeker, G.E.Bodeker Scientific, Alexandra, NZUNSPECIFIED
Smale, D.National Inst. of Water and Atmos. Research, Lauder, NZUNSPECIFIED
Dameris, MartinDLR-IPAUNSPECIFIED
Grewe, VolkerDLR-IPAUNSPECIFIED
Date:August 2013
Journal or Publication Title:Atmospheric Chemistry and Physics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:13
DOI :10.5194/acp-13-7279-2013
Page Range:pp. 7279-7300
Publisher:Copernicus Publications
ISSN:1680-7316
Status:Published
Keywords:CCMs, hemisphere ozone production
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Dynamics
Deposited By: Ziegele, Brigitte
Deposited On:11 Sep 2013 15:01
Last Modified:02 May 2019 14:04

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