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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ftdatacite:10.1594/pangaea.79362 2024-03-31T07:54:12+00:00 Dinocyst assemblages of site HM52-43 ... de Vernal, Anne Hillaire-Marcel, Claude Turon, Jean-Louis Matthiessen, Jens 2000 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.79362 https://doi.pangaea.de/10.1594/PANGAEA.79362 en eng PANGAEA https://dx.doi.org/10.1139/cjes-37-5-725 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 DEPTH, sediment/rock Nematosphaeropsis labyrinthus Peridinium faeroense Trinovantedinium capitatum Algidasphaeridium minutum Brigantedinium spp. Peridinoid type Polykrikos schwarzii Multispinula quanta Alexandrium excavatum Bitectatodinium tepikiense Impagidinium aculeatum Impagidinium patulum Impagidinium paradoxum Impagidinium sphaericum Operculodinium centrocarpum Spiniferites spp. Spiniferites bentori Spiniferites ramosus Spiniferites elongatus Spiniferites membranaceus Spiniferites mirabilis Lingulodinium machaerophorum Pyxidinopsis reticulata Ataxiodinium choane Impagidinium pallidum Algidasphaeridium minutum var. cesare Gravity corer Counting, dinoflagellate cysts Multiproxy Approach for the Reconstruction of the Glacial Ocean surface MARGO dataset Dataset Supplementary Dataset 2000 ftdatacite https://doi.org/10.1594/pangaea.7936210.1139/cjes-37-5-725 2024-03-04T14:22:19Z 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 ... : Supplement to: de Vernal, Anne; Hillaire-Marcel, Claude; Turon, Jean-Louis; Matthiessen, Jens (2000): Reconstruction of sea-surface temperature, salinity, and sea-ice cover in the northern North Atlantic during the last glacial maximum based on dinocyst assemblages. Canadian Journal of Earth Sciences, 37(5), 725-750 ... 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 |
topic |
DEPTH, sediment/rock Nematosphaeropsis labyrinthus Peridinium faeroense Trinovantedinium capitatum Algidasphaeridium minutum Brigantedinium spp. Peridinoid type Polykrikos schwarzii Multispinula quanta Alexandrium excavatum Bitectatodinium tepikiense Impagidinium aculeatum Impagidinium patulum Impagidinium paradoxum Impagidinium sphaericum Operculodinium centrocarpum Spiniferites spp. Spiniferites bentori Spiniferites ramosus Spiniferites elongatus Spiniferites membranaceus Spiniferites mirabilis Lingulodinium machaerophorum Pyxidinopsis reticulata Ataxiodinium choane Impagidinium pallidum Algidasphaeridium minutum var. cesare Gravity corer Counting, dinoflagellate cysts Multiproxy Approach for the Reconstruction of the Glacial Ocean surface MARGO |
spellingShingle |
DEPTH, sediment/rock Nematosphaeropsis labyrinthus Peridinium faeroense Trinovantedinium capitatum Algidasphaeridium minutum Brigantedinium spp. Peridinoid type Polykrikos schwarzii Multispinula quanta Alexandrium excavatum Bitectatodinium tepikiense Impagidinium aculeatum Impagidinium patulum Impagidinium paradoxum Impagidinium sphaericum Operculodinium centrocarpum Spiniferites spp. Spiniferites bentori Spiniferites ramosus Spiniferites elongatus Spiniferites membranaceus Spiniferites mirabilis Lingulodinium machaerophorum Pyxidinopsis reticulata Ataxiodinium choane Impagidinium pallidum Algidasphaeridium minutum var. cesare Gravity corer Counting, dinoflagellate cysts Multiproxy Approach for the Reconstruction of the Glacial Ocean surface MARGO de Vernal, Anne Hillaire-Marcel, Claude Turon, Jean-Louis Matthiessen, Jens Dinocyst assemblages of site HM52-43 ... |
topic_facet |
DEPTH, sediment/rock Nematosphaeropsis labyrinthus Peridinium faeroense Trinovantedinium capitatum Algidasphaeridium minutum Brigantedinium spp. Peridinoid type Polykrikos schwarzii Multispinula quanta Alexandrium excavatum Bitectatodinium tepikiense Impagidinium aculeatum Impagidinium patulum Impagidinium paradoxum Impagidinium sphaericum Operculodinium centrocarpum Spiniferites spp. Spiniferites bentori Spiniferites ramosus Spiniferites elongatus Spiniferites membranaceus Spiniferites mirabilis Lingulodinium machaerophorum Pyxidinopsis reticulata Ataxiodinium choane Impagidinium pallidum Algidasphaeridium minutum var. cesare Gravity corer Counting, dinoflagellate cysts Multiproxy Approach for the Reconstruction of the Glacial Ocean surface MARGO |
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 ... : Supplement to: de Vernal, Anne; Hillaire-Marcel, Claude; Turon, Jean-Louis; Matthiessen, Jens (2000): Reconstruction of sea-surface temperature, salinity, and sea-ice cover in the northern North Atlantic during the last glacial maximum based on dinocyst assemblages. Canadian Journal of Earth Sciences, 37(5), 725-750 ... |
format |
Dataset |
author |
de Vernal, Anne Hillaire-Marcel, Claude Turon, Jean-Louis Matthiessen, Jens |
author_facet |
de Vernal, Anne Hillaire-Marcel, Claude Turon, Jean-Louis 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 |
publishDate |
2000 |
url |
https://dx.doi.org/10.1594/pangaea.79362 https://doi.pangaea.de/10.1594/PANGAEA.79362 |
genre |
North Atlantic Sea ice |
genre_facet |
North Atlantic Sea ice |
op_relation |
https://dx.doi.org/10.1139/cjes-37-5-725 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_doi |
https://doi.org/10.1594/pangaea.7936210.1139/cjes-37-5-725 |
_version_ |
1795034911312183296 |