Aspects of weather parameters at Neumayer station, Antarctica, and their representation in reanalysis and climate model data
ERA-Interim reanalysis data and data of the Hadley Centre Global Environmental Model version 2 (HadGEM2) are compared with continuous meteorological observations of near-surface wind and temperature carried out for more than 30 years at Neumayer station, situated on the Ekström Ice Shelf of Antarcti...
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Online Access: | https://epic.awi.de/id/eprint/34838/ https://epic.awi.de/id/eprint/34838/1/Kloewer_2014.pdf http://www.ingentaconnect.com/content/schweiz/mz/pre-prints/content-505_kloewer_ingenta https://hdl.handle.net/10013/epic.42994 https://hdl.handle.net/10013/epic.42994.d001 |
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ftawi:oai:epic.awi.de:34838 2024-09-15T17:41:08+00:00 Aspects of weather parameters at Neumayer station, Antarctica, and their representation in reanalysis and climate model data Klöwer, Milan Jung, Thomas König-Langlo, Gert Semmler, Tido 2014-01-31 application/pdf https://epic.awi.de/id/eprint/34838/ https://epic.awi.de/id/eprint/34838/1/Kloewer_2014.pdf http://www.ingentaconnect.com/content/schweiz/mz/pre-prints/content-505_kloewer_ingenta https://hdl.handle.net/10013/epic.42994 https://hdl.handle.net/10013/epic.42994.d001 unknown E. SCHWEIZERBART SCIENCE PUBLISHER https://epic.awi.de/id/eprint/34838/1/Kloewer_2014.pdf https://hdl.handle.net/10013/epic.42994.d001 Klöwer, M. , Jung, T. orcid:0000-0002-2651-1293 , König-Langlo, G. and Semmler, T. orcid:0000-0002-2254-4901 (2014) Aspects of weather parameters at Neumayer station, Antarctica, and their representation in reanalysis and climate model data , Meteorologische Zeitschrift . doi:10.1127/0941-2948/2013/0505 <https://doi.org/10.1127/0941-2948%2F2013%2F0505> , hdl:10013/epic.42994 EPIC3Meteorologische Zeitschrift, E. SCHWEIZERBART SCIENCE PUBLISHER, ISSN: 0941-2948 Article isiRev 2014 ftawi https://doi.org/10.1127/0941-2948/2013/0505 2024-06-24T04:08:32Z ERA-Interim reanalysis data and data of the Hadley Centre Global Environmental Model version 2 (HadGEM2) are compared with continuous meteorological observations of near-surface wind and temperature carried out for more than 30 years at Neumayer station, situated on the Ekström Ice Shelf of Antarctica. Significant temperature correlations between Neumayer climate and the climate of both the interior of the Antarctic continent and oceanic regions north of Neumayer are investigated using observational data and model data. Mean sea level pressure fluctuations at Neumayer can be connected to changes in the Southern Annular Mode (SAM). Shortcomings in the ERA-Interim reanalysis data with spurious trends of up to 7 °C over 31 years are identified at several places in Antarctica. Furthermore, it is shown that katabatic winds in both the ERA-Interim reanalysis data and in the HadGEM2 climate model are underrepresented in frequency and speed, presumably due to the problems in representing topography in these relatively coarse resolution models. This may be one reason for the positive 2m air temperature bias of 3 °C in the models at Neumayer station. The results of this study reemphasize that climatic trends in regions with a low station density can not be assessed solely from model data. Thus, it is absolutely necessary to maintain polar observatories such as Neumayer station to quantify climate change over the Southern Ocean and Antarctica. Article in Journal/Newspaper Antarc* Antarctic Antarctica Ice Shelf Southern Ocean Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Meteorologische Zeitschrift 22 6 699 709 |
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Open Polar |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
ERA-Interim reanalysis data and data of the Hadley Centre Global Environmental Model version 2 (HadGEM2) are compared with continuous meteorological observations of near-surface wind and temperature carried out for more than 30 years at Neumayer station, situated on the Ekström Ice Shelf of Antarctica. Significant temperature correlations between Neumayer climate and the climate of both the interior of the Antarctic continent and oceanic regions north of Neumayer are investigated using observational data and model data. Mean sea level pressure fluctuations at Neumayer can be connected to changes in the Southern Annular Mode (SAM). Shortcomings in the ERA-Interim reanalysis data with spurious trends of up to 7 °C over 31 years are identified at several places in Antarctica. Furthermore, it is shown that katabatic winds in both the ERA-Interim reanalysis data and in the HadGEM2 climate model are underrepresented in frequency and speed, presumably due to the problems in representing topography in these relatively coarse resolution models. This may be one reason for the positive 2m air temperature bias of 3 °C in the models at Neumayer station. The results of this study reemphasize that climatic trends in regions with a low station density can not be assessed solely from model data. Thus, it is absolutely necessary to maintain polar observatories such as Neumayer station to quantify climate change over the Southern Ocean and Antarctica. |
format |
Article in Journal/Newspaper |
author |
Klöwer, Milan Jung, Thomas König-Langlo, Gert Semmler, Tido |
spellingShingle |
Klöwer, Milan Jung, Thomas König-Langlo, Gert Semmler, Tido Aspects of weather parameters at Neumayer station, Antarctica, and their representation in reanalysis and climate model data |
author_facet |
Klöwer, Milan Jung, Thomas König-Langlo, Gert Semmler, Tido |
author_sort |
Klöwer, Milan |
title |
Aspects of weather parameters at Neumayer station, Antarctica, and their representation in reanalysis and climate model data |
title_short |
Aspects of weather parameters at Neumayer station, Antarctica, and their representation in reanalysis and climate model data |
title_full |
Aspects of weather parameters at Neumayer station, Antarctica, and their representation in reanalysis and climate model data |
title_fullStr |
Aspects of weather parameters at Neumayer station, Antarctica, and their representation in reanalysis and climate model data |
title_full_unstemmed |
Aspects of weather parameters at Neumayer station, Antarctica, and their representation in reanalysis and climate model data |
title_sort |
aspects of weather parameters at neumayer station, antarctica, and their representation in reanalysis and climate model data |
publisher |
E. SCHWEIZERBART SCIENCE PUBLISHER |
publishDate |
2014 |
url |
https://epic.awi.de/id/eprint/34838/ https://epic.awi.de/id/eprint/34838/1/Kloewer_2014.pdf http://www.ingentaconnect.com/content/schweiz/mz/pre-prints/content-505_kloewer_ingenta https://hdl.handle.net/10013/epic.42994 https://hdl.handle.net/10013/epic.42994.d001 |
genre |
Antarc* Antarctic Antarctica Ice Shelf Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctica Ice Shelf Southern Ocean |
op_source |
EPIC3Meteorologische Zeitschrift, E. SCHWEIZERBART SCIENCE PUBLISHER, ISSN: 0941-2948 |
op_relation |
https://epic.awi.de/id/eprint/34838/1/Kloewer_2014.pdf https://hdl.handle.net/10013/epic.42994.d001 Klöwer, M. , Jung, T. orcid:0000-0002-2651-1293 , König-Langlo, G. and Semmler, T. orcid:0000-0002-2254-4901 (2014) Aspects of weather parameters at Neumayer station, Antarctica, and their representation in reanalysis and climate model data , Meteorologische Zeitschrift . doi:10.1127/0941-2948/2013/0505 <https://doi.org/10.1127/0941-2948%2F2013%2F0505> , hdl:10013/epic.42994 |
op_doi |
https://doi.org/10.1127/0941-2948/2013/0505 |
container_title |
Meteorologische Zeitschrift |
container_volume |
22 |
container_issue |
6 |
container_start_page |
699 |
op_container_end_page |
709 |
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1810487245054935040 |