High-resolution regional simulation of last glacial maximum climate in Europe
A fully coupled atmosphere-ocean general circulation model is used to simulate climate conditions during the last glacial maximum (LGM). Forcing conditions include astronomical parameters, greenhouse gases, ice sheets and vegetation. A 50-yr period of the global simulation is dynamically downscaled...
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Online Access: | https://lup.lub.lu.se/record/1773827 https://doi.org/10.1111/j.1600-0870.2010.00485.x |
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ftulundlup:oai:lup.lub.lu.se:f62a5a26-26c4-41b7-bf63-109c3f41f832 2023-05-15T16:40:17+02:00 High-resolution regional simulation of last glacial maximum climate in Europe Strandberg, Gustav Brandefelt, Jenny Kjellstrom, Erik Smith, Benjamin 2011 https://lup.lub.lu.se/record/1773827 https://doi.org/10.1111/j.1600-0870.2010.00485.x eng eng Wiley-Blackwell https://lup.lub.lu.se/record/1773827 http://dx.doi.org/10.1111/j.1600-0870.2010.00485.x wos:000285309200008 scopus:78650110468 Tellus. Series A: Dynamic Meteorology and Oceanography; 63(1), pp 107-125 (2011) ISSN: 1600-0870 Physical Geography contributiontojournal/article info:eu-repo/semantics/article text 2011 ftulundlup https://doi.org/10.1111/j.1600-0870.2010.00485.x 2023-02-01T23:26:59Z A fully coupled atmosphere-ocean general circulation model is used to simulate climate conditions during the last glacial maximum (LGM). Forcing conditions include astronomical parameters, greenhouse gases, ice sheets and vegetation. A 50-yr period of the global simulation is dynamically downscaled to 50 km horizontal resolution over Europe with a regional climate model (RCM). A dynamic vegetation model is used to produce vegetation that is consistent with the climate simulated by the RCM. This vegetation is used in a final simulation with the RCM. The resulting climate is 5-10 degrees C colder than the recent past climate (representative of year 1990) over ice-free parts of Europe as an annual average; over the ice-sheet up to 40 degrees C colder in winter. The average model-proxy error is about the same for summer and winter, for pollen-based proxies. The RCM results are within (outside) the uncertainty limits for winter (summer). Sensitivity studies performed with the RCM indicate that the simulated climate is sensitive to changes in vegetation, whereas the location of the ice sheet only affects the climate around the ice sheet. The RCM-simulated interannual variability in near surface temperature is significantly larger at LGM than in the recent past climate. Article in Journal/Newspaper Ice Sheet Lund University Publications (LUP) Tellus A: Dynamic Meteorology and Oceanography 63 1 107 125 |
institution |
Open Polar |
collection |
Lund University Publications (LUP) |
op_collection_id |
ftulundlup |
language |
English |
topic |
Physical Geography |
spellingShingle |
Physical Geography Strandberg, Gustav Brandefelt, Jenny Kjellstrom, Erik Smith, Benjamin High-resolution regional simulation of last glacial maximum climate in Europe |
topic_facet |
Physical Geography |
description |
A fully coupled atmosphere-ocean general circulation model is used to simulate climate conditions during the last glacial maximum (LGM). Forcing conditions include astronomical parameters, greenhouse gases, ice sheets and vegetation. A 50-yr period of the global simulation is dynamically downscaled to 50 km horizontal resolution over Europe with a regional climate model (RCM). A dynamic vegetation model is used to produce vegetation that is consistent with the climate simulated by the RCM. This vegetation is used in a final simulation with the RCM. The resulting climate is 5-10 degrees C colder than the recent past climate (representative of year 1990) over ice-free parts of Europe as an annual average; over the ice-sheet up to 40 degrees C colder in winter. The average model-proxy error is about the same for summer and winter, for pollen-based proxies. The RCM results are within (outside) the uncertainty limits for winter (summer). Sensitivity studies performed with the RCM indicate that the simulated climate is sensitive to changes in vegetation, whereas the location of the ice sheet only affects the climate around the ice sheet. The RCM-simulated interannual variability in near surface temperature is significantly larger at LGM than in the recent past climate. |
format |
Article in Journal/Newspaper |
author |
Strandberg, Gustav Brandefelt, Jenny Kjellstrom, Erik Smith, Benjamin |
author_facet |
Strandberg, Gustav Brandefelt, Jenny Kjellstrom, Erik Smith, Benjamin |
author_sort |
Strandberg, Gustav |
title |
High-resolution regional simulation of last glacial maximum climate in Europe |
title_short |
High-resolution regional simulation of last glacial maximum climate in Europe |
title_full |
High-resolution regional simulation of last glacial maximum climate in Europe |
title_fullStr |
High-resolution regional simulation of last glacial maximum climate in Europe |
title_full_unstemmed |
High-resolution regional simulation of last glacial maximum climate in Europe |
title_sort |
high-resolution regional simulation of last glacial maximum climate in europe |
publisher |
Wiley-Blackwell |
publishDate |
2011 |
url |
https://lup.lub.lu.se/record/1773827 https://doi.org/10.1111/j.1600-0870.2010.00485.x |
genre |
Ice Sheet |
genre_facet |
Ice Sheet |
op_source |
Tellus. Series A: Dynamic Meteorology and Oceanography; 63(1), pp 107-125 (2011) ISSN: 1600-0870 |
op_relation |
https://lup.lub.lu.se/record/1773827 http://dx.doi.org/10.1111/j.1600-0870.2010.00485.x wos:000285309200008 scopus:78650110468 |
op_doi |
https://doi.org/10.1111/j.1600-0870.2010.00485.x |
container_title |
Tellus A: Dynamic Meteorology and Oceanography |
container_volume |
63 |
container_issue |
1 |
container_start_page |
107 |
op_container_end_page |
125 |
_version_ |
1766030675693010944 |