Exceptional Air Mass Transport and Dynamical Drivers of an Extreme Wintertime Arctic Warm Event
International audience At the turn of the years 2015/2016, maximum surface temperature in the Arctic reached record-high values, exceeding the melting point, which led to a strong reduction of the Arctic sea ice extent in the middle of the cold season. Here we show, using a Lagrangian method, that a...
Published in: | Geophysical Research Letters |
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Online Access: | https://insu.hal.science/insu-03727036 https://insu.hal.science/insu-03727036v1/document https://insu.hal.science/insu-03727036v1/file/Geophysical%20Research%20Letters%20-%202017%20-%20Binder%20-%20Exceptional%20Air%20Mass%20Transport%20and%20Dynamical%20Drivers%20of%20an%20Extreme.pdf https://doi.org/10.1002/2017GL075841 |
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ftecoleponts:oai:HAL:insu-03727036v1 2024-10-13T14:04:25+00:00 Exceptional Air Mass Transport and Dynamical Drivers of an Extreme Wintertime Arctic Warm Event Binder, Hanin Boettcher, Maxi Grams, Christian M. Joos, Hanna Pfahl, Stephan Wernli, Heini Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-École des Ponts ParisTech (ENPC)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL) 2017 https://insu.hal.science/insu-03727036 https://insu.hal.science/insu-03727036v1/document https://insu.hal.science/insu-03727036v1/file/Geophysical%20Research%20Letters%20-%202017%20-%20Binder%20-%20Exceptional%20Air%20Mass%20Transport%20and%20Dynamical%20Drivers%20of%20an%20Extreme.pdf https://doi.org/10.1002/2017GL075841 en eng HAL CCSD American Geophysical Union info:eu-repo/semantics/altIdentifier/doi/10.1002/2017GL075841 BIBCODE: 2017GeoRL.4412028B doi:10.1002/2017GL075841 http://hal.archives-ouvertes.fr/licences/copyright/ info:eu-repo/semantics/OpenAccess ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://insu.hal.science/insu-03727036 Geophysical Research Letters, 2017, 44, pp.12,028-12,036. ⟨10.1002/2017GL075841⟩ extreme weather sea ice melt Lagrangian perspective Arctic dynamics diabatic processes [SDU]Sciences of the Universe [physics] [SDU.STU]Sciences of the Universe [physics]/Earth Sciences info:eu-repo/semantics/article Journal articles 2017 ftecoleponts https://doi.org/10.1002/2017GL075841 2024-09-24T23:49:23Z International audience At the turn of the years 2015/2016, maximum surface temperature in the Arctic reached record-high values, exceeding the melting point, which led to a strong reduction of the Arctic sea ice extent in the middle of the cold season. Here we show, using a Lagrangian method, that a combination of very different airstreams contributed to this event: (i) warm low-level air of subtropical origin, (ii) initially cold low-level air of polar origin heated by surface fluxes, and (iii) strongly descending air heated by adiabatic compression. The poleward transport of these warm airstreams occurred along an intense low-level jet between a series of cyclones and a quasi-stationary anticyclone. The complex 3-D configuration that enabled this transport was facilitated by continuous warm conveyor belt ascent into the upper part of the anticyclone. This study emphasizes the combined role of multiple transport processes and transient synoptic-scale dynamics for establishing an extreme Arctic warm event. Article in Journal/Newspaper Arctic Sea ice École des Ponts ParisTech: HAL Arctic Geophysical Research Letters 44 23 12,028 12,036 |
institution |
Open Polar |
collection |
École des Ponts ParisTech: HAL |
op_collection_id |
ftecoleponts |
language |
English |
topic |
extreme weather sea ice melt Lagrangian perspective Arctic dynamics diabatic processes [SDU]Sciences of the Universe [physics] [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
spellingShingle |
extreme weather sea ice melt Lagrangian perspective Arctic dynamics diabatic processes [SDU]Sciences of the Universe [physics] [SDU.STU]Sciences of the Universe [physics]/Earth Sciences Binder, Hanin Boettcher, Maxi Grams, Christian M. Joos, Hanna Pfahl, Stephan Wernli, Heini Exceptional Air Mass Transport and Dynamical Drivers of an Extreme Wintertime Arctic Warm Event |
topic_facet |
extreme weather sea ice melt Lagrangian perspective Arctic dynamics diabatic processes [SDU]Sciences of the Universe [physics] [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
description |
International audience At the turn of the years 2015/2016, maximum surface temperature in the Arctic reached record-high values, exceeding the melting point, which led to a strong reduction of the Arctic sea ice extent in the middle of the cold season. Here we show, using a Lagrangian method, that a combination of very different airstreams contributed to this event: (i) warm low-level air of subtropical origin, (ii) initially cold low-level air of polar origin heated by surface fluxes, and (iii) strongly descending air heated by adiabatic compression. The poleward transport of these warm airstreams occurred along an intense low-level jet between a series of cyclones and a quasi-stationary anticyclone. The complex 3-D configuration that enabled this transport was facilitated by continuous warm conveyor belt ascent into the upper part of the anticyclone. This study emphasizes the combined role of multiple transport processes and transient synoptic-scale dynamics for establishing an extreme Arctic warm event. |
author2 |
Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-École des Ponts ParisTech (ENPC)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL) |
format |
Article in Journal/Newspaper |
author |
Binder, Hanin Boettcher, Maxi Grams, Christian M. Joos, Hanna Pfahl, Stephan Wernli, Heini |
author_facet |
Binder, Hanin Boettcher, Maxi Grams, Christian M. Joos, Hanna Pfahl, Stephan Wernli, Heini |
author_sort |
Binder, Hanin |
title |
Exceptional Air Mass Transport and Dynamical Drivers of an Extreme Wintertime Arctic Warm Event |
title_short |
Exceptional Air Mass Transport and Dynamical Drivers of an Extreme Wintertime Arctic Warm Event |
title_full |
Exceptional Air Mass Transport and Dynamical Drivers of an Extreme Wintertime Arctic Warm Event |
title_fullStr |
Exceptional Air Mass Transport and Dynamical Drivers of an Extreme Wintertime Arctic Warm Event |
title_full_unstemmed |
Exceptional Air Mass Transport and Dynamical Drivers of an Extreme Wintertime Arctic Warm Event |
title_sort |
exceptional air mass transport and dynamical drivers of an extreme wintertime arctic warm event |
publisher |
HAL CCSD |
publishDate |
2017 |
url |
https://insu.hal.science/insu-03727036 https://insu.hal.science/insu-03727036v1/document https://insu.hal.science/insu-03727036v1/file/Geophysical%20Research%20Letters%20-%202017%20-%20Binder%20-%20Exceptional%20Air%20Mass%20Transport%20and%20Dynamical%20Drivers%20of%20an%20Extreme.pdf https://doi.org/10.1002/2017GL075841 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Sea ice |
genre_facet |
Arctic Sea ice |
op_source |
ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://insu.hal.science/insu-03727036 Geophysical Research Letters, 2017, 44, pp.12,028-12,036. ⟨10.1002/2017GL075841⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1002/2017GL075841 BIBCODE: 2017GeoRL.4412028B doi:10.1002/2017GL075841 |
op_rights |
http://hal.archives-ouvertes.fr/licences/copyright/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1002/2017GL075841 |
container_title |
Geophysical Research Letters |
container_volume |
44 |
container_issue |
23 |
container_start_page |
12,028 |
op_container_end_page |
12,036 |
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1812809638293274624 |