Megnetic susceptibility of a subtropical South Atlantic transect, supplement to: Schmieder, Frank; von Dobeneck, Tilo; Bleil, Ulrich (2000): The Mid-Pleistocene climate transition as documented in the deep South Atlantic Ocean: initiation, interim state and terminal event. Earth and Planetary Science Letters, 179(3-4), 539-549
The Mid-Pleistocene transition (MPT) of the global climate system, initiated by a shift towards much larger northern hemisphere ice shields at around 920 ka and ending with predominance of 100 kyr ice age cyclicity since about 640 ka, is one of the fundamental enigmas in Quaternary climate evolution...
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ftdatacite:10.1594/pangaea.735066 2023-05-15T18:21:12+02:00 Megnetic susceptibility of a subtropical South Atlantic transect, supplement to: Schmieder, Frank; von Dobeneck, Tilo; Bleil, Ulrich (2000): The Mid-Pleistocene climate transition as documented in the deep South Atlantic Ocean: initiation, interim state and terminal event. Earth and Planetary Science Letters, 179(3-4), 539-549 Schmieder, Frank von Dobeneck, Tilo Bleil, Ulrich 2000 application/zip https://dx.doi.org/10.1594/pangaea.735066 https://doi.pangaea.de/10.1594/PANGAEA.735066 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.1016/s0012-821x(00)00143-6 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY Gravity corer Kiel type Reconstructed data M6/6 M12/1 M15/2 M20/2 M29/2 M34/3 Meteor 1986 Geosciences, University of Bremen GeoB South Atlantic in Late Quaternary Reconstruction of Budget and Currents SFB261 Collection article Supplementary Collection of Datasets 2000 ftdatacite https://doi.org/10.1594/pangaea.735066 https://doi.org/10.1016/s0012-821x(00)00143-6 2021-11-05T12:55:41Z The Mid-Pleistocene transition (MPT) of the global climate system, initiated by a shift towards much larger northern hemisphere ice shields at around 920 ka and ending with predominance of 100 kyr ice age cyclicity since about 640 ka, is one of the fundamental enigmas in Quaternary climate evolution. Climate proxy records not exclusively linked to global ice volume are necessary to advance understanding of the MPT. Here we present a high-resolution Pleistocene magnetic susceptibility time series of 12 sediment cores from the subtropical South Atlantic essentially reflecting dissolution driven variations in carbonate accumulation controlled by changes in deep water circulation. In addition to characteristics known from delta18O records, the data sets reveal three remarkable features intimately related to the MPT: (1) an all-Pleistocene minimum of carbonate accumulation in the South Atlantic at 920 ka, (2) a MPT interim state of reduced carbonate deposition, indicating that the MPT period may have been a discrete state of the Pleistocene deep water circulation and climate system and (3) a terminal MPT event at around 540-530 ka documented in several peculiarities such as thick laminated layers of the giant diatom Ethmodiscus rex. Article in Journal/Newspaper South Atlantic Ocean 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 |
Gravity corer Kiel type Reconstructed data M6/6 M12/1 M15/2 M20/2 M29/2 M34/3 Meteor 1986 Geosciences, University of Bremen GeoB South Atlantic in Late Quaternary Reconstruction of Budget and Currents SFB261 |
spellingShingle |
Gravity corer Kiel type Reconstructed data M6/6 M12/1 M15/2 M20/2 M29/2 M34/3 Meteor 1986 Geosciences, University of Bremen GeoB South Atlantic in Late Quaternary Reconstruction of Budget and Currents SFB261 Schmieder, Frank von Dobeneck, Tilo Bleil, Ulrich Megnetic susceptibility of a subtropical South Atlantic transect, supplement to: Schmieder, Frank; von Dobeneck, Tilo; Bleil, Ulrich (2000): The Mid-Pleistocene climate transition as documented in the deep South Atlantic Ocean: initiation, interim state and terminal event. Earth and Planetary Science Letters, 179(3-4), 539-549 |
topic_facet |
Gravity corer Kiel type Reconstructed data M6/6 M12/1 M15/2 M20/2 M29/2 M34/3 Meteor 1986 Geosciences, University of Bremen GeoB South Atlantic in Late Quaternary Reconstruction of Budget and Currents SFB261 |
description |
The Mid-Pleistocene transition (MPT) of the global climate system, initiated by a shift towards much larger northern hemisphere ice shields at around 920 ka and ending with predominance of 100 kyr ice age cyclicity since about 640 ka, is one of the fundamental enigmas in Quaternary climate evolution. Climate proxy records not exclusively linked to global ice volume are necessary to advance understanding of the MPT. Here we present a high-resolution Pleistocene magnetic susceptibility time series of 12 sediment cores from the subtropical South Atlantic essentially reflecting dissolution driven variations in carbonate accumulation controlled by changes in deep water circulation. In addition to characteristics known from delta18O records, the data sets reveal three remarkable features intimately related to the MPT: (1) an all-Pleistocene minimum of carbonate accumulation in the South Atlantic at 920 ka, (2) a MPT interim state of reduced carbonate deposition, indicating that the MPT period may have been a discrete state of the Pleistocene deep water circulation and climate system and (3) a terminal MPT event at around 540-530 ka documented in several peculiarities such as thick laminated layers of the giant diatom Ethmodiscus rex. |
format |
Article in Journal/Newspaper |
author |
Schmieder, Frank von Dobeneck, Tilo Bleil, Ulrich |
author_facet |
Schmieder, Frank von Dobeneck, Tilo Bleil, Ulrich |
author_sort |
Schmieder, Frank |
title |
Megnetic susceptibility of a subtropical South Atlantic transect, supplement to: Schmieder, Frank; von Dobeneck, Tilo; Bleil, Ulrich (2000): The Mid-Pleistocene climate transition as documented in the deep South Atlantic Ocean: initiation, interim state and terminal event. Earth and Planetary Science Letters, 179(3-4), 539-549 |
title_short |
Megnetic susceptibility of a subtropical South Atlantic transect, supplement to: Schmieder, Frank; von Dobeneck, Tilo; Bleil, Ulrich (2000): The Mid-Pleistocene climate transition as documented in the deep South Atlantic Ocean: initiation, interim state and terminal event. Earth and Planetary Science Letters, 179(3-4), 539-549 |
title_full |
Megnetic susceptibility of a subtropical South Atlantic transect, supplement to: Schmieder, Frank; von Dobeneck, Tilo; Bleil, Ulrich (2000): The Mid-Pleistocene climate transition as documented in the deep South Atlantic Ocean: initiation, interim state and terminal event. Earth and Planetary Science Letters, 179(3-4), 539-549 |
title_fullStr |
Megnetic susceptibility of a subtropical South Atlantic transect, supplement to: Schmieder, Frank; von Dobeneck, Tilo; Bleil, Ulrich (2000): The Mid-Pleistocene climate transition as documented in the deep South Atlantic Ocean: initiation, interim state and terminal event. Earth and Planetary Science Letters, 179(3-4), 539-549 |
title_full_unstemmed |
Megnetic susceptibility of a subtropical South Atlantic transect, supplement to: Schmieder, Frank; von Dobeneck, Tilo; Bleil, Ulrich (2000): The Mid-Pleistocene climate transition as documented in the deep South Atlantic Ocean: initiation, interim state and terminal event. Earth and Planetary Science Letters, 179(3-4), 539-549 |
title_sort |
megnetic susceptibility of a subtropical south atlantic transect, supplement to: schmieder, frank; von dobeneck, tilo; bleil, ulrich (2000): the mid-pleistocene climate transition as documented in the deep south atlantic ocean: initiation, interim state and terminal event. earth and planetary science letters, 179(3-4), 539-549 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
2000 |
url |
https://dx.doi.org/10.1594/pangaea.735066 https://doi.pangaea.de/10.1594/PANGAEA.735066 |
genre |
South Atlantic Ocean |
genre_facet |
South Atlantic Ocean |
op_relation |
https://dx.doi.org/10.1016/s0012-821x(00)00143-6 |
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.735066 https://doi.org/10.1016/s0012-821x(00)00143-6 |
_version_ |
1766200355363749888 |