Dinocyst assemblages of site HM52-43 ...
Past sea-surface conditions over the northern North Atlantic during the last glacial maximum were examined from the study of 61 deep-sea cores. The last glacial maximum time slice studied here corresponds to an interval between Heinrich layers H2 and H1, and spanning about 20-16 ka on a 14C time sca...
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PANGAEA - Publishing Network for Geoscientific and Environmental Data
2000
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Online Access: | https://dx.doi.org/10.15468/hhkmzy https://www.gbif.org/dataset/8d76701c-f762-11e1-a439-00145eb45e9a |
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ftdatacite:10.15468/hhkmzy 2023-12-31T10:20:31+01:00 Dinocyst assemblages of site HM52-43 ... De Vernal, Anne Hillaire-Marcel, Claude Jean-Louis Turon Matthiessen, Jens 2000 https://dx.doi.org/10.15468/hhkmzy https://www.gbif.org/dataset/8d76701c-f762-11e1-a439-00145eb45e9a en eng PANGAEA - Publishing Network for Geoscientific and Environmental Data https://dx.doi.org/10.1594/pangaea.79362 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Dataset OCCURRENCE dataset 2000 ftdatacite https://doi.org/10.15468/hhkmzy10.1594/pangaea.79362 2023-12-01T10:29:53Z Past sea-surface conditions over the northern North Atlantic during the last glacial maximum were examined from the study of 61 deep-sea cores. The last glacial maximum time slice studied here corresponds to an interval between Heinrich layers H2 and H1, and spanning about 20-16 ka on a 14C time scale. Transfer functions based on dinocyst assemblages were used to reconstruct sea-surface temperature, salinity, and sea-ice cover. The results illustrate extensive sea-ice cover along the eastern Canadian margins and sea-ice spreading, only during winter, over most of the northern North Atlantic. On the whole, much colder winter prevailed, despite relatively mild conditions in August (10-15°C at most offshore sites), thus suggesting a larger seasonal contrast of temperatures than today. Lower salinity than at present is reconstructed, especially along the eastern Canadian and Scandinavian margins, likely because of meltwater supply from the surrounding ice sheets. These reconstructions contrast with those ... Dataset North Atlantic Sea ice DataCite Metadata Store (German National Library of Science and Technology) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
description |
Past sea-surface conditions over the northern North Atlantic during the last glacial maximum were examined from the study of 61 deep-sea cores. The last glacial maximum time slice studied here corresponds to an interval between Heinrich layers H2 and H1, and spanning about 20-16 ka on a 14C time scale. Transfer functions based on dinocyst assemblages were used to reconstruct sea-surface temperature, salinity, and sea-ice cover. The results illustrate extensive sea-ice cover along the eastern Canadian margins and sea-ice spreading, only during winter, over most of the northern North Atlantic. On the whole, much colder winter prevailed, despite relatively mild conditions in August (10-15°C at most offshore sites), thus suggesting a larger seasonal contrast of temperatures than today. Lower salinity than at present is reconstructed, especially along the eastern Canadian and Scandinavian margins, likely because of meltwater supply from the surrounding ice sheets. These reconstructions contrast with those ... |
format |
Dataset |
author |
De Vernal, Anne Hillaire-Marcel, Claude Jean-Louis Turon Matthiessen, Jens |
spellingShingle |
De Vernal, Anne Hillaire-Marcel, Claude Jean-Louis Turon Matthiessen, Jens Dinocyst assemblages of site HM52-43 ... |
author_facet |
De Vernal, Anne Hillaire-Marcel, Claude Jean-Louis Turon Matthiessen, Jens |
author_sort |
De Vernal, Anne |
title |
Dinocyst assemblages of site HM52-43 ... |
title_short |
Dinocyst assemblages of site HM52-43 ... |
title_full |
Dinocyst assemblages of site HM52-43 ... |
title_fullStr |
Dinocyst assemblages of site HM52-43 ... |
title_full_unstemmed |
Dinocyst assemblages of site HM52-43 ... |
title_sort |
dinocyst assemblages of site hm52-43 ... |
publisher |
PANGAEA - Publishing Network for Geoscientific and Environmental Data |
publishDate |
2000 |
url |
https://dx.doi.org/10.15468/hhkmzy https://www.gbif.org/dataset/8d76701c-f762-11e1-a439-00145eb45e9a |
genre |
North Atlantic Sea ice |
genre_facet |
North Atlantic Sea ice |
op_relation |
https://dx.doi.org/10.1594/pangaea.79362 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.15468/hhkmzy10.1594/pangaea.79362 |
_version_ |
1786830918539804672 |