Detecting variability changes in Arctic total ozone column
International audience To better assess inter-annual variance changes in ozone time series, we study and propose a statistical procedure based on recent advances in wavelet multi-resolution analysis. This approach, novel to the field of ozone analysis, has the advantages of detecting significant cha...
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ftceafr:oai:HAL:hal-00094006v1 2024-09-09T19:20:58+00:00 Detecting variability changes in Arctic total ozone column Borchi, François Naveau, Philippe Keckhut, Philippe Hauchecorne, Alain Service d'aéronomie (SA) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA) Extrèmes : Statistiques, Impacts et Régionalisation (ESTIMR) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) 2006 https://hal.science/hal-00094006 https://doi.org/10.1016/j.jastp.2006.05.011 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jastp.2006.05.011 hal-00094006 https://hal.science/hal-00094006 doi:10.1016/j.jastp.2006.05.011 ISSN: 1364-6826 Journal of Atmospheric and Solar-Terrestrial Physics https://hal.science/hal-00094006 Journal of Atmospheric and Solar-Terrestrial Physics, 2006, 68 (12), pp.1383-1395. ⟨10.1016/j.jastp.2006.05.011⟩ Stratosphere Total ozone column Arctic vortex Change-point models Wavelet analysis [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] info:eu-repo/semantics/article Journal articles 2006 ftceafr https://doi.org/10.1016/j.jastp.2006.05.011 2024-08-06T03:57:39Z International audience To better assess inter-annual variance changes in ozone time series, we study and propose a statistical procedure based on recent advances in wavelet multi-resolution analysis. This approach, novel to the field of ozone analysis, has the advantages of detecting significant changes in variance and of characterizing the distribution of these changes, including not only their timings but also their strengths.As a test case for our method, we study total ozone column time series from the TOMS (Total Ozone Mapping Spectrometer) Version 7 in the Arctic region over the period 1981–1992. This statistical procedure allows us to analyse the well-known winter–spring transition and the inter-annual variability behaviour. For this specific example, two distinct types of winter–spring transition can be clearly identified for the ozone series. As expected from dynamical studies of the vortex evolution, the first type is constituted of the years for which there exists a very abrupt and temporally localized ozone variability change. More precisely, we detect a significant peak in ozone variance at two multi-resolution wavelet levels. The second type is characterized by smooth ozone variance changes over time and space. Moreover, the Arctic vortex breakdown timing seems to occur, on average, 1 month earlier than our detected changes in ozone variability. These results suggest a potential link between these two phenomena. Article in Journal/Newspaper Arctic HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives) Arctic Journal of Atmospheric and Solar-Terrestrial Physics 68 12 1383 1395 |
institution |
Open Polar |
collection |
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives) |
op_collection_id |
ftceafr |
language |
English |
topic |
Stratosphere Total ozone column Arctic vortex Change-point models Wavelet analysis [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] |
spellingShingle |
Stratosphere Total ozone column Arctic vortex Change-point models Wavelet analysis [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] Borchi, François Naveau, Philippe Keckhut, Philippe Hauchecorne, Alain Detecting variability changes in Arctic total ozone column |
topic_facet |
Stratosphere Total ozone column Arctic vortex Change-point models Wavelet analysis [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] |
description |
International audience To better assess inter-annual variance changes in ozone time series, we study and propose a statistical procedure based on recent advances in wavelet multi-resolution analysis. This approach, novel to the field of ozone analysis, has the advantages of detecting significant changes in variance and of characterizing the distribution of these changes, including not only their timings but also their strengths.As a test case for our method, we study total ozone column time series from the TOMS (Total Ozone Mapping Spectrometer) Version 7 in the Arctic region over the period 1981–1992. This statistical procedure allows us to analyse the well-known winter–spring transition and the inter-annual variability behaviour. For this specific example, two distinct types of winter–spring transition can be clearly identified for the ozone series. As expected from dynamical studies of the vortex evolution, the first type is constituted of the years for which there exists a very abrupt and temporally localized ozone variability change. More precisely, we detect a significant peak in ozone variance at two multi-resolution wavelet levels. The second type is characterized by smooth ozone variance changes over time and space. Moreover, the Arctic vortex breakdown timing seems to occur, on average, 1 month earlier than our detected changes in ozone variability. These results suggest a potential link between these two phenomena. |
author2 |
Service d'aéronomie (SA) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA) Extrèmes : Statistiques, Impacts et Régionalisation (ESTIMR) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) |
format |
Article in Journal/Newspaper |
author |
Borchi, François Naveau, Philippe Keckhut, Philippe Hauchecorne, Alain |
author_facet |
Borchi, François Naveau, Philippe Keckhut, Philippe Hauchecorne, Alain |
author_sort |
Borchi, François |
title |
Detecting variability changes in Arctic total ozone column |
title_short |
Detecting variability changes in Arctic total ozone column |
title_full |
Detecting variability changes in Arctic total ozone column |
title_fullStr |
Detecting variability changes in Arctic total ozone column |
title_full_unstemmed |
Detecting variability changes in Arctic total ozone column |
title_sort |
detecting variability changes in arctic total ozone column |
publisher |
HAL CCSD |
publishDate |
2006 |
url |
https://hal.science/hal-00094006 https://doi.org/10.1016/j.jastp.2006.05.011 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
ISSN: 1364-6826 Journal of Atmospheric and Solar-Terrestrial Physics https://hal.science/hal-00094006 Journal of Atmospheric and Solar-Terrestrial Physics, 2006, 68 (12), pp.1383-1395. ⟨10.1016/j.jastp.2006.05.011⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jastp.2006.05.011 hal-00094006 https://hal.science/hal-00094006 doi:10.1016/j.jastp.2006.05.011 |
op_doi |
https://doi.org/10.1016/j.jastp.2006.05.011 |
container_title |
Journal of Atmospheric and Solar-Terrestrial Physics |
container_volume |
68 |
container_issue |
12 |
container_start_page |
1383 |
op_container_end_page |
1395 |
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1809761144183717888 |