Variability and trends in total and vertically resolved stratospheric ozone
International audience Trends in ozone columns and vertical distributions were calculated for the period 1979?2004 based on the three-dimensional ozone data set CATO (Candidoz Assimilated Three-dimensional Ozone) using a multiple linear regression model. CATO has been reconstructed from TOMS, GOME a...
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ftccsdartic:oai:HAL:hal-00301805v1 2023-05-15T15:01:55+02:00 Variability and trends in total and vertically resolved stratospheric ozone Brunner, D. Staehelin, J. Maeder, J. A. Wohltmann, I. Bodeker, G. E. Institute for Atmospheric and Climate Science Zürich (IAC) Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology Zürich (ETH Zürich) Alfred Wegner Institute National Institute of Water and Atmospheric Research Wellington (NIWA) 2006-07-12 https://hal.archives-ouvertes.fr/hal-00301805 https://hal.archives-ouvertes.fr/hal-00301805/document https://hal.archives-ouvertes.fr/hal-00301805/file/acpd-6-6317-2006.pdf en eng HAL CCSD European Geosciences Union hal-00301805 https://hal.archives-ouvertes.fr/hal-00301805 https://hal.archives-ouvertes.fr/hal-00301805/document https://hal.archives-ouvertes.fr/hal-00301805/file/acpd-6-6317-2006.pdf info:eu-repo/semantics/OpenAccess ISSN: 1680-7367 EISSN: 1680-7375 Atmospheric Chemistry and Physics Discussions https://hal.archives-ouvertes.fr/hal-00301805 Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2006, 6 (4), pp.6317-6368 [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere info:eu-repo/semantics/article Journal articles 2006 ftccsdartic 2021-05-30T00:31:31Z International audience Trends in ozone columns and vertical distributions were calculated for the period 1979?2004 based on the three-dimensional ozone data set CATO (Candidoz Assimilated Three-dimensional Ozone) using a multiple linear regression model. CATO has been reconstructed from TOMS, GOME and SBUV total column ozone observations in an equivalent latitude and potential temperature framework and offers a pole to pole coverage of the stratosphere on 15 potential temperature levels. The regression model includes explanatory variables describing the influence of the quasi-biennial oscillation, volcanic eruptions, the solar cycle, the Brewer-Dobson circulation, Arctic ozone depletion, and the increase in stratospheric chlorine. The effects of displacements of the polar vortex and jet streams due to planetary waves, which may significantly affect trends at a given geographical latitude, are eliminated in the equivalent latitude framework. Ozone variability is largely explained by the QBO and stratospheric aerosol loading and the spatial structure of their influence is in good agreement with previous studies. The solar cycle signal peaks at about 30 to 35 km altitude which is lower than reported previously, and no negative signal is found in the tropical lower stratosphere. The Brewer-Dobson circulation shows a dominant contribution to interannual variability at both high and low latitudes and accounts for some of the ozone increase seen in the northern hemisphere since the mid-1990s. Arctic ozone depletion significantly affects the high northern latitudes between January and March and extends its influence to the mid-latitudes during later months. The vertical distribution of the ozone trend shows distinct negative trends at about 18 km in the lower stratosphere with largest declines over the poles, and above 35 km in the upper stratosphere. A narrow band of large negative trends extends into the tropical lower stratosphere. Assuming that the observed negative trend before 1995 continued to 2004 cannot ... Article in Journal/Newspaper Arctic Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Arctic |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
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ftccsdartic |
language |
English |
topic |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
spellingShingle |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere Brunner, D. Staehelin, J. Maeder, J. A. Wohltmann, I. Bodeker, G. E. Variability and trends in total and vertically resolved stratospheric ozone |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
description |
International audience Trends in ozone columns and vertical distributions were calculated for the period 1979?2004 based on the three-dimensional ozone data set CATO (Candidoz Assimilated Three-dimensional Ozone) using a multiple linear regression model. CATO has been reconstructed from TOMS, GOME and SBUV total column ozone observations in an equivalent latitude and potential temperature framework and offers a pole to pole coverage of the stratosphere on 15 potential temperature levels. The regression model includes explanatory variables describing the influence of the quasi-biennial oscillation, volcanic eruptions, the solar cycle, the Brewer-Dobson circulation, Arctic ozone depletion, and the increase in stratospheric chlorine. The effects of displacements of the polar vortex and jet streams due to planetary waves, which may significantly affect trends at a given geographical latitude, are eliminated in the equivalent latitude framework. Ozone variability is largely explained by the QBO and stratospheric aerosol loading and the spatial structure of their influence is in good agreement with previous studies. The solar cycle signal peaks at about 30 to 35 km altitude which is lower than reported previously, and no negative signal is found in the tropical lower stratosphere. The Brewer-Dobson circulation shows a dominant contribution to interannual variability at both high and low latitudes and accounts for some of the ozone increase seen in the northern hemisphere since the mid-1990s. Arctic ozone depletion significantly affects the high northern latitudes between January and March and extends its influence to the mid-latitudes during later months. The vertical distribution of the ozone trend shows distinct negative trends at about 18 km in the lower stratosphere with largest declines over the poles, and above 35 km in the upper stratosphere. A narrow band of large negative trends extends into the tropical lower stratosphere. Assuming that the observed negative trend before 1995 continued to 2004 cannot ... |
author2 |
Institute for Atmospheric and Climate Science Zürich (IAC) Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology Zürich (ETH Zürich) Alfred Wegner Institute National Institute of Water and Atmospheric Research Wellington (NIWA) |
format |
Article in Journal/Newspaper |
author |
Brunner, D. Staehelin, J. Maeder, J. A. Wohltmann, I. Bodeker, G. E. |
author_facet |
Brunner, D. Staehelin, J. Maeder, J. A. Wohltmann, I. Bodeker, G. E. |
author_sort |
Brunner, D. |
title |
Variability and trends in total and vertically resolved stratospheric ozone |
title_short |
Variability and trends in total and vertically resolved stratospheric ozone |
title_full |
Variability and trends in total and vertically resolved stratospheric ozone |
title_fullStr |
Variability and trends in total and vertically resolved stratospheric ozone |
title_full_unstemmed |
Variability and trends in total and vertically resolved stratospheric ozone |
title_sort |
variability and trends in total and vertically resolved stratospheric ozone |
publisher |
HAL CCSD |
publishDate |
2006 |
url |
https://hal.archives-ouvertes.fr/hal-00301805 https://hal.archives-ouvertes.fr/hal-00301805/document https://hal.archives-ouvertes.fr/hal-00301805/file/acpd-6-6317-2006.pdf |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
ISSN: 1680-7367 EISSN: 1680-7375 Atmospheric Chemistry and Physics Discussions https://hal.archives-ouvertes.fr/hal-00301805 Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2006, 6 (4), pp.6317-6368 |
op_relation |
hal-00301805 https://hal.archives-ouvertes.fr/hal-00301805 https://hal.archives-ouvertes.fr/hal-00301805/document https://hal.archives-ouvertes.fr/hal-00301805/file/acpd-6-6317-2006.pdf |
op_rights |
info:eu-repo/semantics/OpenAccess |
_version_ |
1766333926325878784 |