A hindcast simulation of Arctic and Antarctic sea ice variability, 1955-2001
A hindcast simulation of the Arctic and Antarctic sea ice variability during 1955-2001 has been performed with a global, coarse resolution ice-ocean model driven by the National Centers for Environmental Prediction/National Center for Atmospheric Research reanalysis daily surface air temperatures an...
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2003
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Online Access: | https://dx.doi.org/10.34657/3980 https://oa.tib.eu/renate/handle/123456789/5351 |
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ftdatacite:10.34657/3980 2023-05-15T13:45:09+02:00 A hindcast simulation of Arctic and Antarctic sea ice variability, 1955-2001 Fichefet, T. Goosse, H. Morales Maqueda, M.A. 2003 https://dx.doi.org/10.34657/3980 https://oa.tib.eu/renate/handle/123456789/5351 en eng Tromsø : Norwegian Polar Institute Creative Commons Attribution 4.0 International CC BY 4.0 Unported https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 CC-BY sea ice simulation temporal variation Antarctica Arctic Ocean 550 article-journal ScholarlyArticle article Text 2003 ftdatacite https://doi.org/10.34657/3980 2022-04-01T09:37:59Z A hindcast simulation of the Arctic and Antarctic sea ice variability during 1955-2001 has been performed with a global, coarse resolution ice-ocean model driven by the National Centers for Environmental Prediction/National Center for Atmospheric Research reanalysis daily surface air temperatures and winds. Both the mean state and variability of the ice packs over the satellite observing period are reasonably well reproduced by the model. Over the 47-year period, the simulated ice area (defined as the total ice-covered oceanic area) in each hemisphere experiences large decadal variability together with a decreasing trend of ∼1% per decade. In the Southern Hemisphere, this trend is mostly caused by an abrupt retreat of the ice cover during the second half of the 1970s and the beginning of the 1980s. The modelled ice volume also exhibits pronounced decadal variability, especially in the Northern Hemisphere. Besides these fluctuations, we detected a downward trend in Arctic ice volume of 1.8% per decade and an upward trend in Antarctic ice volume of 1.5% per decade. However, caution must be exercised when interpreting these trends because of the shortness of the simulation and the strong decadal variations. Furthermore, sensitivity experiments have revealed that the trend in Antarctic ice volume is model-dependent. Text Antarc* Antarctic Antarctica Arctic Arctic Ocean Sea ice DataCite Metadata Store (German National Library of Science and Technology) Arctic Antarctic Arctic Ocean |
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Open Polar |
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DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
sea ice simulation temporal variation Antarctica Arctic Ocean 550 |
spellingShingle |
sea ice simulation temporal variation Antarctica Arctic Ocean 550 Fichefet, T. Goosse, H. Morales Maqueda, M.A. A hindcast simulation of Arctic and Antarctic sea ice variability, 1955-2001 |
topic_facet |
sea ice simulation temporal variation Antarctica Arctic Ocean 550 |
description |
A hindcast simulation of the Arctic and Antarctic sea ice variability during 1955-2001 has been performed with a global, coarse resolution ice-ocean model driven by the National Centers for Environmental Prediction/National Center for Atmospheric Research reanalysis daily surface air temperatures and winds. Both the mean state and variability of the ice packs over the satellite observing period are reasonably well reproduced by the model. Over the 47-year period, the simulated ice area (defined as the total ice-covered oceanic area) in each hemisphere experiences large decadal variability together with a decreasing trend of ∼1% per decade. In the Southern Hemisphere, this trend is mostly caused by an abrupt retreat of the ice cover during the second half of the 1970s and the beginning of the 1980s. The modelled ice volume also exhibits pronounced decadal variability, especially in the Northern Hemisphere. Besides these fluctuations, we detected a downward trend in Arctic ice volume of 1.8% per decade and an upward trend in Antarctic ice volume of 1.5% per decade. However, caution must be exercised when interpreting these trends because of the shortness of the simulation and the strong decadal variations. Furthermore, sensitivity experiments have revealed that the trend in Antarctic ice volume is model-dependent. |
format |
Text |
author |
Fichefet, T. Goosse, H. Morales Maqueda, M.A. |
author_facet |
Fichefet, T. Goosse, H. Morales Maqueda, M.A. |
author_sort |
Fichefet, T. |
title |
A hindcast simulation of Arctic and Antarctic sea ice variability, 1955-2001 |
title_short |
A hindcast simulation of Arctic and Antarctic sea ice variability, 1955-2001 |
title_full |
A hindcast simulation of Arctic and Antarctic sea ice variability, 1955-2001 |
title_fullStr |
A hindcast simulation of Arctic and Antarctic sea ice variability, 1955-2001 |
title_full_unstemmed |
A hindcast simulation of Arctic and Antarctic sea ice variability, 1955-2001 |
title_sort |
hindcast simulation of arctic and antarctic sea ice variability, 1955-2001 |
publisher |
Tromsø : Norwegian Polar Institute |
publishDate |
2003 |
url |
https://dx.doi.org/10.34657/3980 https://oa.tib.eu/renate/handle/123456789/5351 |
geographic |
Arctic Antarctic Arctic Ocean |
geographic_facet |
Arctic Antarctic Arctic Ocean |
genre |
Antarc* Antarctic Antarctica Arctic Arctic Ocean Sea ice |
genre_facet |
Antarc* Antarctic Antarctica Arctic Arctic Ocean Sea ice |
op_rights |
Creative Commons Attribution 4.0 International CC BY 4.0 Unported https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.34657/3980 |
_version_ |
1766213828828200960 |