Articles | Volume 14, issue 9
https://doi.org/10.5194/cp-14-1315-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-14-1315-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
18 Sep 2018
Research article |
| 18 Sep 2018
Relative timing of precipitation and ocean circulation changes in the western equatorial Atlantic over the last 45 kyr
Claire Waelbroeck
CORRESPONDING AUTHOR
LSCE/IPSL, Laboratoire CNRS-CEA-UVSQ, 91198 Gif-sur-Yvette,
France
Sylvain Pichat
Laboratoire de Géologie de Lyon (LGL-TPE), Ecole Normale
Supérieure de Lyon, Université de Lyon, CNRS UMR5276, 69007 Lyon,
France
Climate Geochemistry Department, Max Planck Institute for
Chemistry, Mainz, Germany
Evelyn Böhm
LSCE/IPSL, Laboratoire CNRS-CEA-UVSQ, 91198 Gif-sur-Yvette,
France
Bryan C. Lougheed
LSCE/IPSL, Laboratoire CNRS-CEA-UVSQ, 91198 Gif-sur-Yvette,
France
Davide Faranda
LSCE/IPSL, Laboratoire CNRS-CEA-UVSQ, 91198 Gif-sur-Yvette,
France
Mathieu Vrac
LSCE/IPSL, Laboratoire CNRS-CEA-UVSQ, 91198 Gif-sur-Yvette,
France
Lise Missiaen
LSCE/IPSL, Laboratoire CNRS-CEA-UVSQ, 91198 Gif-sur-Yvette,
France
Natalia Vazquez Riveiros
LSCE/IPSL, Laboratoire CNRS-CEA-UVSQ, 91198 Gif-sur-Yvette,
France
Ifremer, Unité de Geosciences Marines, 29280 Plouzané,
France
Pierre Burckel
IPGP, Université Sorbonne, 75238 Paris, France
Jörg Lippold
Institute of Earth Sciences, Heidelberg University, Im Neuenheimer
Feld 234, 69120 Heidelberg, Germany
Helge W. Arz
Leibniz-Institute for Baltic Sea Research Warnemünde,
Seestrasse 15, 18119 Rostock, Germany
Trond Dokken
Uni Research and Bjreknes Centre for Climate Research,
Nygårdsgaten 112, 5008 Bergen, Norway
François Thil
LSCE/IPSL, Laboratoire CNRS-CEA-UVSQ, 91198 Gif-sur-Yvette,
France
Arnaud Dapoigny
LSCE/IPSL, Laboratoire CNRS-CEA-UVSQ, 91198 Gif-sur-Yvette,
France
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- Revisit of thorium-based dust fluxes and their implications for the iron fertilization hypothesis S. Ouyang et al. 10.1007/s10872-021-00626-1
- N<sub>2</sub>O changes from the Last Glacial Maximum to the preindustrial – Part 1: Quantitative reconstruction of terrestrial and marine emissions using N<sub>2</sub>O stable isotopes in ice cores H. Fischer et al. 10.5194/bg-16-3997-2019
- Carbon isotopes and Pa∕Th response to forced circulation changes: a model perspective L. Missiaen et al. 10.5194/cp-16-867-2020
- The North Atlantic Glacial Eastern Boundary Current as a Key Driver for Ice‐Sheet—AMOC Interactions and Climate Instability S. Toucanne et al. 10.1029/2020PA004068
- Onset and termination of Heinrich Stadial 4 and the underlying climate dynamics H. Cheng et al. 10.1038/s43247-021-00304-6
- Persistent Link Between Caribbean Precipitation and Atlantic Ocean Circulation During the Last Glacial Revealed by a Speleothem Record From Puerto Rico S. Warken et al. 10.1029/2020PA003944
- Global simulation of dissolved <sup>231</sup>Pa and <sup>230</sup>Th in the ocean and the sedimentary <sup>231</sup>Pa∕<sup>230</sup>Th ratios with the ocean general circulation model COCO ver4.0 Y. Sasaki et al. 10.5194/gmd-15-2013-2022
- Mechanisms of millennial-scale atmospheric CO2 change in numerical model simulations J. Gottschalk et al. 10.1016/j.quascirev.2019.05.013
- 230 Th Normalization: New Insights on an Essential Tool for Quantifying Sedimentary Fluxes in the Modern and Quaternary Ocean K. Costa et al. 10.1029/2019PA003820
- Modelling the impact of biogenic particle flux intensity and composition on sedimentary Pa/Th L. Missiaen et al. 10.1016/j.quascirev.2020.106394
- Co-variations of climate and silicate weathering in the Nile Basin during the Late Pleistocene L. Bastian et al. 10.1016/j.quascirev.2021.107012
- Inverse response of 231Pa/230Th to variations of the Atlantic meridional overturning circulation in the North Atlantic intermediate water F. Süfke et al. 10.1007/s00367-019-00634-7
- The Spatial Distribution of Aeolian Dust and Terrigenous Fluxes in the Tropical Atlantic Ocean Since the Last Glacial Maximum G. Rowland et al. 10.1029/2020PA004148
- Monsoonal forcing of cold-water coral growth off southeastern Brazil during the past 160 kyr A. Bahr et al. 10.5194/bg-17-5883-2020
- Atlantic Ocean Ventilation Changes Across the Last Deglaciation and Their Carbon Cycle Implications L. Skinner et al. 10.1029/2020PA004074
Discussed (final revised paper)
Latest update: 25 Mar 2023
Short summary
Recording the precise timing and sequence of events is essential for understanding rapid climate changes and improving climate model predictive skills. Here, we precisely assess the relative timing between ocean and atmospheric changes, both recorded in the same deep-sea core over the last 45 kyr. We show that decreased mid-depth water mass transport in the western equatorial Atlantic preceded increased rainfall over the adjacent continent by 120 to 980 yr, depending on the type of climate event.
Recording the precise timing and sequence of events is essential for understanding rapid climate...
