Springtime arctic ozone depletion forces northern hemisphere climate anomalies
Large-scale chemical depletion of ozone due to anthropogenic emissions occurs over Antarctica as well as, to a lesser degree, the Arctic. Surface climate predictability in the Northern Hemisphere might be improved due to a previously proposed, albeit uncertain, link to springtime ozone depletion in...
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ftzhawzuerich:oai:digitalcollection.zhaw.ch:11475/25302 2023-07-23T04:15:45+02:00 Springtime arctic ozone depletion forces northern hemisphere climate anomalies Friedel, Marina Chiodo, Gabriel Stenke, Andrea Domeisen, Daniela I. V. Fueglistaler, Stephan Anet, Julien G. Peter, Thomas info:eu-repo/date/embargoEnd/2023-01-07 application/pdf https://hdl.handle.net/11475/25302 https://doi.org/10.1038/s41561-022-00974-7 https://doi.org/10.21256/zhaw-25302 https://digitalcollection.zhaw.ch/handle/11475/25302 en eng Nature Publishing Group https://doi.org/10.1038/s41561-022-00974-7 https://doi.org/10.21256/zhaw-25302 doi:10.1038/s41561-022-00974-7 doi:10.21256/zhaw-25302 https://hdl.handle.net/11475/25302 https://digitalcollection.zhaw.ch/handle/11475/25302 info:eu-repo/semantics/embargoedAccess Licence according to publishing contract ISSN:1752-0894 ISSN:1752-0908 Nature Geoscience Atmospheric chemistry Atmospheric dynamics info:eu-repo/classification/ddc/551 info:eu-repo/semantics/article Beitrag in wissenschaftlicher Zeitschrift Text 2023 ftzhawzuerich https://doi.org/10.1038/s41561-022-00974-710.21256/zhaw-25302 2023-07-02T23:45:38Z Large-scale chemical depletion of ozone due to anthropogenic emissions occurs over Antarctica as well as, to a lesser degree, the Arctic. Surface climate predictability in the Northern Hemisphere might be improved due to a previously proposed, albeit uncertain, link to springtime ozone depletion in the Arctic. Here we use observations and targeted chemistry–climate experiments from two models to isolate the surface impacts of ozone depletion from complex downward dynamical influences. We find that springtime stratospheric ozone depletion is consistently followed by surface temperature and precipitation anomalies with signs consistent with a positive Arctic Oscillation, namely, warm and dry conditions over southern Europe and Eurasia and moistening over northern Europe. Notably, we show that these anomalies, affecting large portions of the Northern Hemisphere, are driven substantially by the loss of stratospheric ozone. This is due to ozone depletion leading to a reduction in short-wave radiation absorption, when in turn causing persistent negative temperature anomalies in the lower stratosphere and a delayed break-up of the polar vortex. These results indicate that the inclusion of interactive ozone chemistry in atmospheric models can considerably improve the predictability of Northern Hemisphere surface climate on seasonal timescales. Article in Journal/Newspaper Antarc* Antarctica Arctic ZHAW digitalcollection (Repository of the Zurich University of Applied Sciences) Arctic Nature Geoscience 15 7 541 547 |
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Open Polar |
collection |
ZHAW digitalcollection (Repository of the Zurich University of Applied Sciences) |
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ftzhawzuerich |
language |
English |
topic |
Atmospheric chemistry Atmospheric dynamics info:eu-repo/classification/ddc/551 |
spellingShingle |
Atmospheric chemistry Atmospheric dynamics info:eu-repo/classification/ddc/551 Friedel, Marina Chiodo, Gabriel Stenke, Andrea Domeisen, Daniela I. V. Fueglistaler, Stephan Anet, Julien G. Peter, Thomas Springtime arctic ozone depletion forces northern hemisphere climate anomalies |
topic_facet |
Atmospheric chemistry Atmospheric dynamics info:eu-repo/classification/ddc/551 |
description |
Large-scale chemical depletion of ozone due to anthropogenic emissions occurs over Antarctica as well as, to a lesser degree, the Arctic. Surface climate predictability in the Northern Hemisphere might be improved due to a previously proposed, albeit uncertain, link to springtime ozone depletion in the Arctic. Here we use observations and targeted chemistry–climate experiments from two models to isolate the surface impacts of ozone depletion from complex downward dynamical influences. We find that springtime stratospheric ozone depletion is consistently followed by surface temperature and precipitation anomalies with signs consistent with a positive Arctic Oscillation, namely, warm and dry conditions over southern Europe and Eurasia and moistening over northern Europe. Notably, we show that these anomalies, affecting large portions of the Northern Hemisphere, are driven substantially by the loss of stratospheric ozone. This is due to ozone depletion leading to a reduction in short-wave radiation absorption, when in turn causing persistent negative temperature anomalies in the lower stratosphere and a delayed break-up of the polar vortex. These results indicate that the inclusion of interactive ozone chemistry in atmospheric models can considerably improve the predictability of Northern Hemisphere surface climate on seasonal timescales. |
format |
Article in Journal/Newspaper |
author |
Friedel, Marina Chiodo, Gabriel Stenke, Andrea Domeisen, Daniela I. V. Fueglistaler, Stephan Anet, Julien G. Peter, Thomas |
author_facet |
Friedel, Marina Chiodo, Gabriel Stenke, Andrea Domeisen, Daniela I. V. Fueglistaler, Stephan Anet, Julien G. Peter, Thomas |
author_sort |
Friedel, Marina |
title |
Springtime arctic ozone depletion forces northern hemisphere climate anomalies |
title_short |
Springtime arctic ozone depletion forces northern hemisphere climate anomalies |
title_full |
Springtime arctic ozone depletion forces northern hemisphere climate anomalies |
title_fullStr |
Springtime arctic ozone depletion forces northern hemisphere climate anomalies |
title_full_unstemmed |
Springtime arctic ozone depletion forces northern hemisphere climate anomalies |
title_sort |
springtime arctic ozone depletion forces northern hemisphere climate anomalies |
publisher |
Nature Publishing Group |
publishDate |
2023 |
url |
https://hdl.handle.net/11475/25302 https://doi.org/10.1038/s41561-022-00974-7 https://doi.org/10.21256/zhaw-25302 https://digitalcollection.zhaw.ch/handle/11475/25302 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Antarc* Antarctica Arctic |
genre_facet |
Antarc* Antarctica Arctic |
op_source |
ISSN:1752-0894 ISSN:1752-0908 Nature Geoscience |
op_relation |
https://doi.org/10.1038/s41561-022-00974-7 https://doi.org/10.21256/zhaw-25302 doi:10.1038/s41561-022-00974-7 doi:10.21256/zhaw-25302 https://hdl.handle.net/11475/25302 https://digitalcollection.zhaw.ch/handle/11475/25302 |
op_rights |
info:eu-repo/semantics/embargoedAccess Licence according to publishing contract |
op_doi |
https://doi.org/10.1038/s41561-022-00974-710.21256/zhaw-25302 |
container_title |
Nature Geoscience |
container_volume |
15 |
container_issue |
7 |
container_start_page |
541 |
op_container_end_page |
547 |
_version_ |
1772176753664458752 |