Paleoceanography and paleoclimate in the Nordic Seas and the northern North Atlantic during the last 22 000 years
The paleoceanography of the Nordic Seas and the northern North Atlantic during glacial and deglacial times was studied, using oxygen isotopes and Mg/Ca of foraminifera. The specific objectives are listed below: 1) Sea surface temperatures (SST) during the Last Glacial Maximum (LGM, ∼20 000 years ago...
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University of Bergen
2006
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Online Access: | https://archimer.ifremer.fr/doc/00499/61043/64450.pdf https://archimer.ifremer.fr/doc/00499/61043/ |
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ftarchimer:oai:archimer.ifremer.fr:61043 2023-05-15T17:14:58+02:00 Paleoceanography and paleoclimate in the Nordic Seas and the northern North Atlantic during the last 22 000 years Meland, Marius Yddal 2006 application/pdf https://archimer.ifremer.fr/doc/00499/61043/64450.pdf https://archimer.ifremer.fr/doc/00499/61043/ eng eng University of Bergen https://archimer.ifremer.fr/doc/00499/61043/64450.pdf https://archimer.ifremer.fr/doc/00499/61043/ info:eu-repo/semantics/openAccess restricted use text Thesis info:eu-repo/semantics/doctoralThesis 2006 ftarchimer 2021-09-23T20:32:52Z The paleoceanography of the Nordic Seas and the northern North Atlantic during glacial and deglacial times was studied, using oxygen isotopes and Mg/Ca of foraminifera. The specific objectives are listed below: 1) Sea surface temperatures (SST) during the Last Glacial Maximum (LGM, ∼20 000 years ago) were reconstructed, using oxygen isotopes of the planktonic foraminifer Neogloboquadrina pachyderma (sinistral). 2) The LGM climate (air temperatures, precipitation/moisture, air pressure, wind systems) was simulated, using the SSTs produced under Objective 1 as boundary conditions. 3) Mg/Ca ratios of N. pachyderma (sin.) were tested to see if they could be used to make surface/subsurface temperature estimates in the Nordic Seas for previous times. 4) Water mass exchanges between the North Atlantic and the Nordic Seas through the period 22 000 - 6000 years ago were studied. This period covers the LGM, the last deglaciation and the recent interglacial (Holocene). Benthic oxygen isotopes were used as the main proxy, supported by benthic carbon isotopes and planktonic oxygen isotopes. Doctoral or Postdoctoral Thesis Neogloboquadrina pachyderma Nordic Seas North Atlantic Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) |
institution |
Open Polar |
collection |
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) |
op_collection_id |
ftarchimer |
language |
English |
description |
The paleoceanography of the Nordic Seas and the northern North Atlantic during glacial and deglacial times was studied, using oxygen isotopes and Mg/Ca of foraminifera. The specific objectives are listed below: 1) Sea surface temperatures (SST) during the Last Glacial Maximum (LGM, ∼20 000 years ago) were reconstructed, using oxygen isotopes of the planktonic foraminifer Neogloboquadrina pachyderma (sinistral). 2) The LGM climate (air temperatures, precipitation/moisture, air pressure, wind systems) was simulated, using the SSTs produced under Objective 1 as boundary conditions. 3) Mg/Ca ratios of N. pachyderma (sin.) were tested to see if they could be used to make surface/subsurface temperature estimates in the Nordic Seas for previous times. 4) Water mass exchanges between the North Atlantic and the Nordic Seas through the period 22 000 - 6000 years ago were studied. This period covers the LGM, the last deglaciation and the recent interglacial (Holocene). Benthic oxygen isotopes were used as the main proxy, supported by benthic carbon isotopes and planktonic oxygen isotopes. |
format |
Doctoral or Postdoctoral Thesis |
author |
Meland, Marius Yddal |
spellingShingle |
Meland, Marius Yddal Paleoceanography and paleoclimate in the Nordic Seas and the northern North Atlantic during the last 22 000 years |
author_facet |
Meland, Marius Yddal |
author_sort |
Meland, Marius Yddal |
title |
Paleoceanography and paleoclimate in the Nordic Seas and the northern North Atlantic during the last 22 000 years |
title_short |
Paleoceanography and paleoclimate in the Nordic Seas and the northern North Atlantic during the last 22 000 years |
title_full |
Paleoceanography and paleoclimate in the Nordic Seas and the northern North Atlantic during the last 22 000 years |
title_fullStr |
Paleoceanography and paleoclimate in the Nordic Seas and the northern North Atlantic during the last 22 000 years |
title_full_unstemmed |
Paleoceanography and paleoclimate in the Nordic Seas and the northern North Atlantic during the last 22 000 years |
title_sort |
paleoceanography and paleoclimate in the nordic seas and the northern north atlantic during the last 22 000 years |
publisher |
University of Bergen |
publishDate |
2006 |
url |
https://archimer.ifremer.fr/doc/00499/61043/64450.pdf https://archimer.ifremer.fr/doc/00499/61043/ |
genre |
Neogloboquadrina pachyderma Nordic Seas North Atlantic |
genre_facet |
Neogloboquadrina pachyderma Nordic Seas North Atlantic |
op_relation |
https://archimer.ifremer.fr/doc/00499/61043/64450.pdf https://archimer.ifremer.fr/doc/00499/61043/ |
op_rights |
info:eu-repo/semantics/openAccess restricted use |
_version_ |
1766073068860473344 |