Radionuclides and sedimentation rates of sediment cores from the eastern South Atlantic, supplement to: Frank, Martin; Gersonde, Rainer; Rutgers van der Loeff, Michiel M; Kuhn, Gerhard; Mangini, Augusto (1996): Late Quaternary sediment dating and quantification of lateral sediment redistribution applying 230Th-excess, a study of the eastern Atlantic sector of the Southern Ocean. Geologische Rundschau, 85(3), 554-566
High-resolution records of the natural radionuclide 230Th were measured in sediments from the eastern Atlantic sector of the Antarctic circumpolar current to obtain a detailed reconstruction of the sedimentation history of this key area for global climate change during the late Quaternary. High-reso...
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1996
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Online Access: | https://dx.doi.org/10.1594/pangaea.711823 https://doi.pangaea.de/10.1594/PANGAEA.711823 |
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ftdatacite:10.1594/pangaea.711823 2023-05-15T13:38:30+02:00 Radionuclides and sedimentation rates of sediment cores from the eastern South Atlantic, supplement to: Frank, Martin; Gersonde, Rainer; Rutgers van der Loeff, Michiel M; Kuhn, Gerhard; Mangini, Augusto (1996): Late Quaternary sediment dating and quantification of lateral sediment redistribution applying 230Th-excess, a study of the eastern Atlantic sector of the Southern Ocean. Geologische Rundschau, 85(3), 554-566 Frank, Martin Gersonde, Rainer Rutgers van der Loeff, Michiel M Kuhn, Gerhard Mangini, Augusto 1996 application/zip https://dx.doi.org/10.1594/pangaea.711823 https://doi.pangaea.de/10.1594/PANGAEA.711823 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.1007/bf02369010 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY Gravity corer Kiel type Giant box corer MultiCorer ANT-VIII/3 ANT-IX/4 Polarstern Marine Geochemistry @ AWI AWI_MarGeoChem Paleoenvironmental Reconstructions from Marine Sediments @ AWI AWI_Paleo Collection article Supplementary Collection of Datasets 1996 ftdatacite https://doi.org/10.1594/pangaea.711823 https://doi.org/10.1007/bf02369010 2021-11-05T12:55:41Z High-resolution records of the natural radionuclide 230Th were measured in sediments from the eastern Atlantic sector of the Antarctic circumpolar current to obtain a detailed reconstruction of the sedimentation history of this key area for global climate change during the late Quaternary. High-resolution dating rests on the assumption that the 230Thex flux to the sediments is constant. Short periods of drastically increased sediment accumulation rates (up to a factor of 8) were determined in the sediments of the Antarctic zone during the climate optima at the beginning of the Holocene and the isotope stage 5e. By comparing expected and measured accumulation rate of 230Thex, lateral sediment redistribution was quantified and vertical particle rain rates originating from the surface water above were calculated. We show that lateral contributions locally were up to 6.5 times higher than the vertical particle rain rates. At other locations only 15% of the expected vertical particle rain rate were deposited. Article in Journal/Newspaper Antarc* Antarctic Southern Ocean DataCite Metadata Store (German National Library of Science and Technology) Antarctic Augusto ENVELOPE(-61.613,-61.613,-64.054,-64.054) Southern Ocean The Antarctic |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Gravity corer Kiel type Giant box corer MultiCorer ANT-VIII/3 ANT-IX/4 Polarstern Marine Geochemistry @ AWI AWI_MarGeoChem Paleoenvironmental Reconstructions from Marine Sediments @ AWI AWI_Paleo |
spellingShingle |
Gravity corer Kiel type Giant box corer MultiCorer ANT-VIII/3 ANT-IX/4 Polarstern Marine Geochemistry @ AWI AWI_MarGeoChem Paleoenvironmental Reconstructions from Marine Sediments @ AWI AWI_Paleo Frank, Martin Gersonde, Rainer Rutgers van der Loeff, Michiel M Kuhn, Gerhard Mangini, Augusto Radionuclides and sedimentation rates of sediment cores from the eastern South Atlantic, supplement to: Frank, Martin; Gersonde, Rainer; Rutgers van der Loeff, Michiel M; Kuhn, Gerhard; Mangini, Augusto (1996): Late Quaternary sediment dating and quantification of lateral sediment redistribution applying 230Th-excess, a study of the eastern Atlantic sector of the Southern Ocean. Geologische Rundschau, 85(3), 554-566 |
topic_facet |
Gravity corer Kiel type Giant box corer MultiCorer ANT-VIII/3 ANT-IX/4 Polarstern Marine Geochemistry @ AWI AWI_MarGeoChem Paleoenvironmental Reconstructions from Marine Sediments @ AWI AWI_Paleo |
description |
High-resolution records of the natural radionuclide 230Th were measured in sediments from the eastern Atlantic sector of the Antarctic circumpolar current to obtain a detailed reconstruction of the sedimentation history of this key area for global climate change during the late Quaternary. High-resolution dating rests on the assumption that the 230Thex flux to the sediments is constant. Short periods of drastically increased sediment accumulation rates (up to a factor of 8) were determined in the sediments of the Antarctic zone during the climate optima at the beginning of the Holocene and the isotope stage 5e. By comparing expected and measured accumulation rate of 230Thex, lateral sediment redistribution was quantified and vertical particle rain rates originating from the surface water above were calculated. We show that lateral contributions locally were up to 6.5 times higher than the vertical particle rain rates. At other locations only 15% of the expected vertical particle rain rate were deposited. |
format |
Article in Journal/Newspaper |
author |
Frank, Martin Gersonde, Rainer Rutgers van der Loeff, Michiel M Kuhn, Gerhard Mangini, Augusto |
author_facet |
Frank, Martin Gersonde, Rainer Rutgers van der Loeff, Michiel M Kuhn, Gerhard Mangini, Augusto |
author_sort |
Frank, Martin |
title |
Radionuclides and sedimentation rates of sediment cores from the eastern South Atlantic, supplement to: Frank, Martin; Gersonde, Rainer; Rutgers van der Loeff, Michiel M; Kuhn, Gerhard; Mangini, Augusto (1996): Late Quaternary sediment dating and quantification of lateral sediment redistribution applying 230Th-excess, a study of the eastern Atlantic sector of the Southern Ocean. Geologische Rundschau, 85(3), 554-566 |
title_short |
Radionuclides and sedimentation rates of sediment cores from the eastern South Atlantic, supplement to: Frank, Martin; Gersonde, Rainer; Rutgers van der Loeff, Michiel M; Kuhn, Gerhard; Mangini, Augusto (1996): Late Quaternary sediment dating and quantification of lateral sediment redistribution applying 230Th-excess, a study of the eastern Atlantic sector of the Southern Ocean. Geologische Rundschau, 85(3), 554-566 |
title_full |
Radionuclides and sedimentation rates of sediment cores from the eastern South Atlantic, supplement to: Frank, Martin; Gersonde, Rainer; Rutgers van der Loeff, Michiel M; Kuhn, Gerhard; Mangini, Augusto (1996): Late Quaternary sediment dating and quantification of lateral sediment redistribution applying 230Th-excess, a study of the eastern Atlantic sector of the Southern Ocean. Geologische Rundschau, 85(3), 554-566 |
title_fullStr |
Radionuclides and sedimentation rates of sediment cores from the eastern South Atlantic, supplement to: Frank, Martin; Gersonde, Rainer; Rutgers van der Loeff, Michiel M; Kuhn, Gerhard; Mangini, Augusto (1996): Late Quaternary sediment dating and quantification of lateral sediment redistribution applying 230Th-excess, a study of the eastern Atlantic sector of the Southern Ocean. Geologische Rundschau, 85(3), 554-566 |
title_full_unstemmed |
Radionuclides and sedimentation rates of sediment cores from the eastern South Atlantic, supplement to: Frank, Martin; Gersonde, Rainer; Rutgers van der Loeff, Michiel M; Kuhn, Gerhard; Mangini, Augusto (1996): Late Quaternary sediment dating and quantification of lateral sediment redistribution applying 230Th-excess, a study of the eastern Atlantic sector of the Southern Ocean. Geologische Rundschau, 85(3), 554-566 |
title_sort |
radionuclides and sedimentation rates of sediment cores from the eastern south atlantic, supplement to: frank, martin; gersonde, rainer; rutgers van der loeff, michiel m; kuhn, gerhard; mangini, augusto (1996): late quaternary sediment dating and quantification of lateral sediment redistribution applying 230th-excess, a study of the eastern atlantic sector of the southern ocean. geologische rundschau, 85(3), 554-566 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
1996 |
url |
https://dx.doi.org/10.1594/pangaea.711823 https://doi.pangaea.de/10.1594/PANGAEA.711823 |
long_lat |
ENVELOPE(-61.613,-61.613,-64.054,-64.054) |
geographic |
Antarctic Augusto Southern Ocean The Antarctic |
geographic_facet |
Antarctic Augusto Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_relation |
https://dx.doi.org/10.1007/bf02369010 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.711823 https://doi.org/10.1007/bf02369010 |
_version_ |
1766107005764763648 |