Vertical thermodynamic structure of the troposphere during the Norwegian young sea ICE expedition (N-ICE2015)
The Norwegian young sea ICE (N-ICE2015) expedition was designed to investigate the atmosphere-snow-ice-ocean interactions in the young and thin sea ice regime north of Svalbard. Radiosondes were launched twice daily during the expedition from January to June 2015. Here we use these upper air measure...
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ftubpotsdam:oai:kobv.de-opus4-uni-potsdam:49700 2023-05-15T15:15:19+02:00 Vertical thermodynamic structure of the troposphere during the Norwegian young sea ICE expedition (N-ICE2015) Kayser, Markus (Dr.) Maturilli, Marion Graham, Robert M. Hudson, Stephen R. Rinke, Annette Cohen, Lana Kim, Joo-Hong Park, Sang-Jong Moon, Woosok Granskog, Mats A. 2017-05-02 https://publishup.uni-potsdam.de/opus4-ubp/frontdoor/index/index/docId/49700 https://doi.org/10.1002/2016JD026089 eng eng https://publishup.uni-potsdam.de/opus4-ubp/frontdoor/index/index/docId/49700 https://doi.org/10.1002/2016JD026089 info:eu-repo/semantics/closedAccess ddc:530 Institut für Physik und Astronomie article doc-type:article 2017 ftubpotsdam https://doi.org/10.1002/2016JD026089 2022-07-28T20:50:09Z The Norwegian young sea ICE (N-ICE2015) expedition was designed to investigate the atmosphere-snow-ice-ocean interactions in the young and thin sea ice regime north of Svalbard. Radiosondes were launched twice daily during the expedition from January to June 2015. Here we use these upper air measurements to study the multiple cyclonic events observed during N-ICE2015 with respect to changes in the vertical thermodynamic structure, moisture content, and boundary layer characteristics. We provide statistics of temperature inversion characteristics, static stability, and boundary layer extent. During winter, when radiative cooling is most effective, we find the strongest impact of synoptic cyclones. Changes to thermodynamic characteristics of the boundary layer are associated with transitions between the radiatively "clear" and "opaque" atmospheric states. In spring, radiative fluxes warm the surface leading to lifted temperature inversions and a statically unstable boundary layer. Further, we compare the N-ICE2015 static stability distributions to corresponding profiles from ERA-Interim reanalysis, from the closest land station in the Arctic North Atlantic sector, Ny-Alesund, and to soundings from the SHEBA expedition (1997/1998). We find similar stability characteristics for N-ICE2015 and SHEBA throughout the troposphere, despite differences in location, sea ice thickness, and snow cover. For Ny-Alesund, we observe similar characteristics above 1000 m, while the topography and ice-free fjord surrounding Ny-Alesund generate great differences below. The long-term radiosonde record (1993-2014) from Ny-Alesund indicates that during the N-ICE2015 spring period, temperatures were close to the climatological mean, while the lowest 3000 m were 1-3 degrees C warmer than the climatology during winter. Plain Language Summary The Norwegian young sea ICE (N-ICE2015) expedition was designed to investigate the atmosphere-snow-ice-ocean interactions in the young and thin sea ice regime north of Svalbard. Radiosondes were ... Article in Journal/Newspaper Arctic North Atlantic Sea ice Svalbard University of Potsdam: publish.UP Arctic Svalbard Journal of Geophysical Research: Atmospheres 122 20 10,855 10,872 |
institution |
Open Polar |
collection |
University of Potsdam: publish.UP |
op_collection_id |
ftubpotsdam |
language |
English |
topic |
ddc:530 Institut für Physik und Astronomie |
spellingShingle |
ddc:530 Institut für Physik und Astronomie Kayser, Markus (Dr.) Maturilli, Marion Graham, Robert M. Hudson, Stephen R. Rinke, Annette Cohen, Lana Kim, Joo-Hong Park, Sang-Jong Moon, Woosok Granskog, Mats A. Vertical thermodynamic structure of the troposphere during the Norwegian young sea ICE expedition (N-ICE2015) |
topic_facet |
ddc:530 Institut für Physik und Astronomie |
description |
The Norwegian young sea ICE (N-ICE2015) expedition was designed to investigate the atmosphere-snow-ice-ocean interactions in the young and thin sea ice regime north of Svalbard. Radiosondes were launched twice daily during the expedition from January to June 2015. Here we use these upper air measurements to study the multiple cyclonic events observed during N-ICE2015 with respect to changes in the vertical thermodynamic structure, moisture content, and boundary layer characteristics. We provide statistics of temperature inversion characteristics, static stability, and boundary layer extent. During winter, when radiative cooling is most effective, we find the strongest impact of synoptic cyclones. Changes to thermodynamic characteristics of the boundary layer are associated with transitions between the radiatively "clear" and "opaque" atmospheric states. In spring, radiative fluxes warm the surface leading to lifted temperature inversions and a statically unstable boundary layer. Further, we compare the N-ICE2015 static stability distributions to corresponding profiles from ERA-Interim reanalysis, from the closest land station in the Arctic North Atlantic sector, Ny-Alesund, and to soundings from the SHEBA expedition (1997/1998). We find similar stability characteristics for N-ICE2015 and SHEBA throughout the troposphere, despite differences in location, sea ice thickness, and snow cover. For Ny-Alesund, we observe similar characteristics above 1000 m, while the topography and ice-free fjord surrounding Ny-Alesund generate great differences below. The long-term radiosonde record (1993-2014) from Ny-Alesund indicates that during the N-ICE2015 spring period, temperatures were close to the climatological mean, while the lowest 3000 m were 1-3 degrees C warmer than the climatology during winter. Plain Language Summary The Norwegian young sea ICE (N-ICE2015) expedition was designed to investigate the atmosphere-snow-ice-ocean interactions in the young and thin sea ice regime north of Svalbard. Radiosondes were ... |
format |
Article in Journal/Newspaper |
author |
Kayser, Markus (Dr.) Maturilli, Marion Graham, Robert M. Hudson, Stephen R. Rinke, Annette Cohen, Lana Kim, Joo-Hong Park, Sang-Jong Moon, Woosok Granskog, Mats A. |
author_facet |
Kayser, Markus (Dr.) Maturilli, Marion Graham, Robert M. Hudson, Stephen R. Rinke, Annette Cohen, Lana Kim, Joo-Hong Park, Sang-Jong Moon, Woosok Granskog, Mats A. |
author_sort |
Kayser, Markus (Dr.) |
title |
Vertical thermodynamic structure of the troposphere during the Norwegian young sea ICE expedition (N-ICE2015) |
title_short |
Vertical thermodynamic structure of the troposphere during the Norwegian young sea ICE expedition (N-ICE2015) |
title_full |
Vertical thermodynamic structure of the troposphere during the Norwegian young sea ICE expedition (N-ICE2015) |
title_fullStr |
Vertical thermodynamic structure of the troposphere during the Norwegian young sea ICE expedition (N-ICE2015) |
title_full_unstemmed |
Vertical thermodynamic structure of the troposphere during the Norwegian young sea ICE expedition (N-ICE2015) |
title_sort |
vertical thermodynamic structure of the troposphere during the norwegian young sea ice expedition (n-ice2015) |
publishDate |
2017 |
url |
https://publishup.uni-potsdam.de/opus4-ubp/frontdoor/index/index/docId/49700 https://doi.org/10.1002/2016JD026089 |
geographic |
Arctic Svalbard |
geographic_facet |
Arctic Svalbard |
genre |
Arctic North Atlantic Sea ice Svalbard |
genre_facet |
Arctic North Atlantic Sea ice Svalbard |
op_relation |
https://publishup.uni-potsdam.de/opus4-ubp/frontdoor/index/index/docId/49700 https://doi.org/10.1002/2016JD026089 |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1002/2016JD026089 |
container_title |
Journal of Geophysical Research: Atmospheres |
container_volume |
122 |
container_issue |
20 |
container_start_page |
10,855 |
op_container_end_page |
10,872 |
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1766345684306362368 |