Total ozone loss during the 2016/17 Arctic winter and comparison to previous years
International audience The amplitude of ozone depletion in the Arctic is monitored every year since 1994 by comparison between total ozone measurements of eight SAOZ / NDACC UV-Vis spectrometers deployed in the Arctic and 3-D chemical transport model simulations in which ozone is considered as a pas...
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ftccsdartic:oai:HAL:insu-01660852v1 2023-05-15T14:51:10+02:00 Total ozone loss during the 2016/17 Arctic winter and comparison to previous years Goutail, Florence Pommereau, Jean-Pierre Pazmino, Andrea Lefèvre, Franck Chipperfield, Martyn Feng, Wuhu Van Roozendael, Michel Eriksen, Paul Stebel, Kerstin Kivi, Rigel Bognar, Kristof Strong, Kimberly Walker, Kaley STRATO - LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) 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)-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) School of Earth and Environment Leeds (SEE) University of Leeds Belgian Institute for Space Aeronomy / Institut d'Aéronomie Spatiale de Belgique (BIRA-IASB) Danish Meteorological Institute (DMI) Norwegian Institute for Air Research (NILU) Finnish Meteorological Institute (FMI) Department of Physics Toronto University of Toronto Vienna, Austria 2017-04 https://hal-insu.archives-ouvertes.fr/insu-01660852 en eng HAL CCSD insu-01660852 https://hal-insu.archives-ouvertes.fr/insu-01660852 BIBCODE: 2017EGUGA.19.5240G 19th EGU General Assembly, EGU2017 https://hal-insu.archives-ouvertes.fr/insu-01660852 19th EGU General Assembly, EGU2017, Apr 2017, Vienna, Austria [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] info:eu-repo/semantics/conferenceObject Conference papers 2017 ftccsdartic 2021-11-21T02:16:06Z International audience The amplitude of ozone depletion in the Arctic is monitored every year since 1994 by comparison between total ozone measurements of eight SAOZ / NDACC UV-Vis spectrometers deployed in the Arctic and 3-D chemical transport model simulations in which ozone is considered as a passive tracer. The method allows determining the evolution of the daily rate of the ozone destruction and the amplitude of the cumulative loss at the end of the winter. The amplitude of the destruction varies between 0-10% in relatively warm and short vortex duration years to 25-39% in colder and longer ones. However, as shown by the unprecedented depletion of 39% in 2010/11, the loss is not only dependent on the extension of the vortex in spring, but also on its strength limiting its re-noxification by import of nitrogen oxide species from the outside, as reported by the total NO2 columns measured by the SAOZ instruments. Shown in this presentation will be the evolution of ozone loss and re-noxification in the Arctic during the winter 2016/17 compared to that of previous winters. Compared to observed SAOZ O3 loss, REPROBUS and SLIMCAT CTM simulations are showing differences varying between 0% and 7% depending on the assumptions of vortex strength and isolation. The comparison between ozone loss amplitudes and ozone loss rates, seen each year since 1994 by SAOZ and the two CTM simulations will be followed by a discussion of possible causes in their variable amplitude. Conference Object 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) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] |
spellingShingle |
[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] Goutail, Florence Pommereau, Jean-Pierre Pazmino, Andrea Lefèvre, Franck Chipperfield, Martyn Feng, Wuhu Van Roozendael, Michel Eriksen, Paul Stebel, Kerstin Kivi, Rigel Bognar, Kristof Strong, Kimberly Walker, Kaley Total ozone loss during the 2016/17 Arctic winter and comparison to previous years |
topic_facet |
[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] |
description |
International audience The amplitude of ozone depletion in the Arctic is monitored every year since 1994 by comparison between total ozone measurements of eight SAOZ / NDACC UV-Vis spectrometers deployed in the Arctic and 3-D chemical transport model simulations in which ozone is considered as a passive tracer. The method allows determining the evolution of the daily rate of the ozone destruction and the amplitude of the cumulative loss at the end of the winter. The amplitude of the destruction varies between 0-10% in relatively warm and short vortex duration years to 25-39% in colder and longer ones. However, as shown by the unprecedented depletion of 39% in 2010/11, the loss is not only dependent on the extension of the vortex in spring, but also on its strength limiting its re-noxification by import of nitrogen oxide species from the outside, as reported by the total NO2 columns measured by the SAOZ instruments. Shown in this presentation will be the evolution of ozone loss and re-noxification in the Arctic during the winter 2016/17 compared to that of previous winters. Compared to observed SAOZ O3 loss, REPROBUS and SLIMCAT CTM simulations are showing differences varying between 0% and 7% depending on the assumptions of vortex strength and isolation. The comparison between ozone loss amplitudes and ozone loss rates, seen each year since 1994 by SAOZ and the two CTM simulations will be followed by a discussion of possible causes in their variable amplitude. |
author2 |
STRATO - LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) 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)-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) School of Earth and Environment Leeds (SEE) University of Leeds Belgian Institute for Space Aeronomy / Institut d'Aéronomie Spatiale de Belgique (BIRA-IASB) Danish Meteorological Institute (DMI) Norwegian Institute for Air Research (NILU) Finnish Meteorological Institute (FMI) Department of Physics Toronto University of Toronto |
format |
Conference Object |
author |
Goutail, Florence Pommereau, Jean-Pierre Pazmino, Andrea Lefèvre, Franck Chipperfield, Martyn Feng, Wuhu Van Roozendael, Michel Eriksen, Paul Stebel, Kerstin Kivi, Rigel Bognar, Kristof Strong, Kimberly Walker, Kaley |
author_facet |
Goutail, Florence Pommereau, Jean-Pierre Pazmino, Andrea Lefèvre, Franck Chipperfield, Martyn Feng, Wuhu Van Roozendael, Michel Eriksen, Paul Stebel, Kerstin Kivi, Rigel Bognar, Kristof Strong, Kimberly Walker, Kaley |
author_sort |
Goutail, Florence |
title |
Total ozone loss during the 2016/17 Arctic winter and comparison to previous years |
title_short |
Total ozone loss during the 2016/17 Arctic winter and comparison to previous years |
title_full |
Total ozone loss during the 2016/17 Arctic winter and comparison to previous years |
title_fullStr |
Total ozone loss during the 2016/17 Arctic winter and comparison to previous years |
title_full_unstemmed |
Total ozone loss during the 2016/17 Arctic winter and comparison to previous years |
title_sort |
total ozone loss during the 2016/17 arctic winter and comparison to previous years |
publisher |
HAL CCSD |
publishDate |
2017 |
url |
https://hal-insu.archives-ouvertes.fr/insu-01660852 |
op_coverage |
Vienna, Austria |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
19th EGU General Assembly, EGU2017 https://hal-insu.archives-ouvertes.fr/insu-01660852 19th EGU General Assembly, EGU2017, Apr 2017, Vienna, Austria |
op_relation |
insu-01660852 https://hal-insu.archives-ouvertes.fr/insu-01660852 BIBCODE: 2017EGUGA.19.5240G |
_version_ |
1766322224920264704 |