Can preferred atmospheric circulation patterns over the North-Atlantic-Eurasian region be associated with arctic sea ice loss?
n the framework of atmospheric circulation regimes, we study whether the recent Arctic sea ice loss and Arctic Amplification are associated with changes in the frequency of occurrence of preferred atmospheric circulation patterns during the extended winter season from December to March. To determine...
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ftawi:oai:epic.awi.de:45605 2023-05-15T14:27:32+02:00 Can preferred atmospheric circulation patterns over the North-Atlantic-Eurasian region be associated with arctic sea ice loss? Crasemann, Berit Handorf, Dörthe Jaiser, Ralf Dethloff, Klaus Nakamura, Tetsu Ukita, Jinro Yamazaki, Koji 2017 application/pdf https://epic.awi.de/id/eprint/45605/ https://epic.awi.de/id/eprint/45605/1/crasemann_handorf_etal_polarsci_2017_Arctic_sea_ice_atm_regimes.pdf https://hdl.handle.net/10013/epic.766c876d-d98d-4580-b65c-3cf855dce588 https://hdl.handle.net/ unknown Elsevier https://epic.awi.de/id/eprint/45605/1/crasemann_handorf_etal_polarsci_2017_Arctic_sea_ice_atm_regimes.pdf https://hdl.handle.net/ Crasemann, B. , Handorf, D. orcid:0000-0002-3305-6882 , Jaiser, R. orcid:0000-0002-5685-9637 , Dethloff, K. , Nakamura, T. , Ukita, J. and Yamazaki, K. (2017) Can preferred atmospheric circulation patterns over the North-Atlantic-Eurasian region be associated with arctic sea ice loss? , Polar Scienece, 14 , pp. 9-20 . doi:10.1016/j.polar.2017.09.002 <https://doi.org/10.1016/j.polar.2017.09.002> , hdl:10013/epic.766c876d-d98d-4580-b65c-3cf855dce588 EPIC3Polar Scienece, Elsevier, 14, pp. 9-20 Article isiRev 2017 ftawi 2021-12-24T15:43:20Z n the framework of atmospheric circulation regimes, we study whether the recent Arctic sea ice loss and Arctic Amplification are associated with changes in the frequency of occurrence of preferred atmospheric circulation patterns during the extended winter season from December to March. To determine regimes we applied a cluster analysis to sea-level pressure fields from reanalysis data and output from an atmospheric general circulation model. The specific set up of the two analyzed model simulations for low and high ice conditions allows for attributing differences between the simulations to the prescribed sea ice changes only. The reanalysis data revealed two circulation patterns that occur more frequently for low Arctic sea ice conditions: a Scandinavian blocking in December and January and a negative North Atlantic Oscillation pattern in February and March. An analysis of related patterns of synoptic-scale activity and 2 m temperatures provides a synoptic interpretation of the corresponding large-scale regimes. The regimes that occur more frequently for low sea ice conditions are resembled reasonably well by the model simulations. Based on those results we conclude that the detected changes in the frequency of occurrence of large-scale circulation patterns can be associated with changes in Arctic sea ice conditions. Article in Journal/Newspaper Arctic Arctic North Atlantic North Atlantic oscillation Sea ice Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Arctic Polar Science 14 9 20 |
institution |
Open Polar |
collection |
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
n the framework of atmospheric circulation regimes, we study whether the recent Arctic sea ice loss and Arctic Amplification are associated with changes in the frequency of occurrence of preferred atmospheric circulation patterns during the extended winter season from December to March. To determine regimes we applied a cluster analysis to sea-level pressure fields from reanalysis data and output from an atmospheric general circulation model. The specific set up of the two analyzed model simulations for low and high ice conditions allows for attributing differences between the simulations to the prescribed sea ice changes only. The reanalysis data revealed two circulation patterns that occur more frequently for low Arctic sea ice conditions: a Scandinavian blocking in December and January and a negative North Atlantic Oscillation pattern in February and March. An analysis of related patterns of synoptic-scale activity and 2 m temperatures provides a synoptic interpretation of the corresponding large-scale regimes. The regimes that occur more frequently for low sea ice conditions are resembled reasonably well by the model simulations. Based on those results we conclude that the detected changes in the frequency of occurrence of large-scale circulation patterns can be associated with changes in Arctic sea ice conditions. |
format |
Article in Journal/Newspaper |
author |
Crasemann, Berit Handorf, Dörthe Jaiser, Ralf Dethloff, Klaus Nakamura, Tetsu Ukita, Jinro Yamazaki, Koji |
spellingShingle |
Crasemann, Berit Handorf, Dörthe Jaiser, Ralf Dethloff, Klaus Nakamura, Tetsu Ukita, Jinro Yamazaki, Koji Can preferred atmospheric circulation patterns over the North-Atlantic-Eurasian region be associated with arctic sea ice loss? |
author_facet |
Crasemann, Berit Handorf, Dörthe Jaiser, Ralf Dethloff, Klaus Nakamura, Tetsu Ukita, Jinro Yamazaki, Koji |
author_sort |
Crasemann, Berit |
title |
Can preferred atmospheric circulation patterns over the North-Atlantic-Eurasian region be associated with arctic sea ice loss? |
title_short |
Can preferred atmospheric circulation patterns over the North-Atlantic-Eurasian region be associated with arctic sea ice loss? |
title_full |
Can preferred atmospheric circulation patterns over the North-Atlantic-Eurasian region be associated with arctic sea ice loss? |
title_fullStr |
Can preferred atmospheric circulation patterns over the North-Atlantic-Eurasian region be associated with arctic sea ice loss? |
title_full_unstemmed |
Can preferred atmospheric circulation patterns over the North-Atlantic-Eurasian region be associated with arctic sea ice loss? |
title_sort |
can preferred atmospheric circulation patterns over the north-atlantic-eurasian region be associated with arctic sea ice loss? |
publisher |
Elsevier |
publishDate |
2017 |
url |
https://epic.awi.de/id/eprint/45605/ https://epic.awi.de/id/eprint/45605/1/crasemann_handorf_etal_polarsci_2017_Arctic_sea_ice_atm_regimes.pdf https://hdl.handle.net/10013/epic.766c876d-d98d-4580-b65c-3cf855dce588 https://hdl.handle.net/ |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Arctic North Atlantic North Atlantic oscillation Sea ice |
genre_facet |
Arctic Arctic North Atlantic North Atlantic oscillation Sea ice |
op_source |
EPIC3Polar Scienece, Elsevier, 14, pp. 9-20 |
op_relation |
https://epic.awi.de/id/eprint/45605/1/crasemann_handorf_etal_polarsci_2017_Arctic_sea_ice_atm_regimes.pdf https://hdl.handle.net/ Crasemann, B. , Handorf, D. orcid:0000-0002-3305-6882 , Jaiser, R. orcid:0000-0002-5685-9637 , Dethloff, K. , Nakamura, T. , Ukita, J. and Yamazaki, K. (2017) Can preferred atmospheric circulation patterns over the North-Atlantic-Eurasian region be associated with arctic sea ice loss? , Polar Scienece, 14 , pp. 9-20 . doi:10.1016/j.polar.2017.09.002 <https://doi.org/10.1016/j.polar.2017.09.002> , hdl:10013/epic.766c876d-d98d-4580-b65c-3cf855dce588 |
container_title |
Polar Science |
container_volume |
14 |
container_start_page |
9 |
op_container_end_page |
20 |
_version_ |
1766301317155782656 |