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Sensitivity of 21st century stratospheric ozone to greenhouse gas scenarios

Eyring, Veronika and Cionni, I. and Lamarque, J. F. and Akiyosh, H. and Bodeker, G. E. and Charlton-Perez, A. J. and Frith, S. M. and Gettelman, A. and Kinnison, D. E. and Nakamura, T. and Oman, L. D. and Pawson, S. and Yamashita, Y. (2010) Sensitivity of 21st century stratospheric ozone to greenhouse gas scenarios. Geophysical Research Letters, 37 (L16807), pp. 1-7. Wiley. DOI: 10.1029/2010GL044443

Full text not available from this repository.

Official URL: http://www.agu.org/journals/gl/gl1016/2010GL044443/2010GL044443.pdf

Abstract

To understand how greenhouse gas (GHG) emissions may affect future stratospheric ozone, 21st century projections from four chemistry‐climate models are examined for their dependence on six different GHG scenarios. Compared to higher GHG emissions, lower emissions result in smaller increases in tropical upwelling with resultant smaller reductions in ozone in the tropical lower stratosphere and less severe stratospheric cooling with resultant smaller increases in upper stratospheric ozone globally. Increases in reactive nitrogen and hydrogen that lead to additional chemical ozone destruction mainly play a role in scenarios with higher GHG emissions. Differences among the six GHG scenarios are found to be largest over northern midlatitudes (∼20 DU by 2100) and in the Arctic (∼40 DU by 2100) with divergence mainly in the second half of the 21st century. The uncertainty in the return of stratospheric column ozone to 1980 values arising from different GHG scenarios is comparable to or less than the uncertainty that arises from model differences in the larger set of 17 CCMVal‐2 SRES A1B simulations. The results suggest that effects of GHG emissions on future stratospheric ozone should be considered in climate change mitigation policy and ozone projections should be assessed under more than a single GHG scenario.f these parameters.

Item URL in elib:https://elib.dlr.de/65506/
Document Type:Article
Title:Sensitivity of 21st century stratospheric ozone to greenhouse gas scenarios
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Eyring, VeronikaDLRUNSPECIFIED
Cionni, I.DLRUNSPECIFIED
Lamarque, J. F. NCAR, Boulder, CO, USAUNSPECIFIED
Akiyosh, H.National Inst. for Environmental Studies, Tsukuba, JUNSPECIFIED
Bodeker, G. E. Bodeker Scientific, Alexandra, NZUNSPECIFIED
Charlton-Perez, A. J. Univ. of Reading, Reading, UKUNSPECIFIED
Frith, S. M. Science Systems and Applications, Lanham, MD, USAUNSPECIFIED
Gettelman, A.NCAR, Boulder, CO, USAUNSPECIFIED
Kinnison, D. E.NCAR, Boulder, CO, USAUNSPECIFIED
Nakamura, T.National Inst. for Environmental Studies, Tsukuba, JUNSPECIFIED
Oman, L. D. NASA Goddard Space Flight Center, Greenbelt, MD, USAUNSPECIFIED
Pawson, S.NASA Goddard Space Flight Center, Greenbelt, MD, USAUNSPECIFIED
Yamashita, Y.National Inst. for Environmental Studies, Tsukuba, JUNSPECIFIED
Date:February 2010
Journal or Publication Title:Geophysical Research Letters
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:37
DOI :10.1029/2010GL044443
Page Range:pp. 1-7
Publisher:Wiley
Status:Published
Keywords:ozone, stratosphere, GHG, future evolution
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Atmosphären- und Klimaforschung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Dynamics
Deposited By: Freund, Jana
Deposited On:01 Oct 2010 16:00
Last Modified:08 Mar 2018 18:29

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