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Publication . Article . Other literature type . 2019

Consistently dated Atlantic sediment cores over the last 40 thousand years

Claire Waelbroeck; Bryan C Lougheed; Natalia Vázquez Riveiros; Lise Missiaen; Joel B Pedro; Trond Dokken; Irka Hajdas; +56 Authors
Open Access

Rapid changes in ocean circulation and climate have been observed in marine-sediment and ice cores over the last glacial period and deglaciation, highlighting the non-linear character of the climate system and underlining the possibility of rapid climate shifts in response to anthropogenic greenhouse gas forcing. To date, these rapid changes in climate and ocean circulation are still not fully explained. One obstacle hindering progress in our understanding of the interactions between past ocean circulation and climate changes is the difficulty of accurately dating marine cores. Here, we present a set of 92 marine sediment cores from the Atlantic Ocean for which we have established age-depth models that are consistent with the Greenland GICC05 ice core chronology, and computed the associated dating uncertainties, using a new deposition modeling technique. This is the first set of consistently dated marine sediment cores enabling paleoclimate scientists to evaluate leads/lags between circulation and climate changes over vast regions of the Atlantic Ocean. Moreover, this data set is of direct use in paleoclimate modeling studies.

Design Type(s)modeling and simulation objective • data collection and processing objective • source-based data analysis objectiveMeasurement Type(s)age-depth modelTechnology Type(s)computational modeling techniqueFactor Type(s)geographic location • depthSample Characteristic(s)Atlantic Ocean • marine sediment Machine-accessible metadata file describing the reported data (ISA-Tab format)

Subjects by Vocabulary

Library of Congress Subject Headings: lcsh:Science lcsh:Q

ACM Computing Classification System: ComputingMilieux_MISCELLANEOUS

Microsoft Academic Graph classification: Geology Ice core Paleoclimatology Glacial period Greenhouse gas Climate change Deglaciation Ocean current Sea surface temperature Oceanography


productivity changes, glacial period, western tropical atlantic, marine isotopic stage-3, sea-surface temperature, north-atlantic, greenland ice-cores, deep-water, millennial-scale changes, c-14 reservoir ages, [SDU]Sciences of the Universe [physics], [SDU.STU]Sciences of the Universe [physics]/Earth Sciences, Climate Research, Klimatforskning, Statistics and Probability, Information Systems, Education, Computer Science Applications, Statistics, Probability and Uncertainty, Library and Information Sciences, [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy, [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography, [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology, G Geography (General), GC Oceanography, DAS, G1, GC, Data Descriptor, /704/106/413, /704/106/2738, data-descriptor, SDG 13 - Climate Action, SDG 14 - Life Below Water, /dk/atira/pure/sustainabledevelopmentgoals/climate_action, SDG 13 - Climate Action, /dk/atira/pure/sustainabledevelopmentgoals/life_below_water, SDG 14 - Life Below Water, Data Descriptor, Palaeoclimate, Palaeoceanography, Statistics, Probability and Uncertainty, 14 Life Below Water, 13 Climate Action, Earth and Environmental Sciences, MILLENNIAL-SCALE CHANGES, WESTERN TROPICAL ATLANTIC, MARINE ISOTOPIC, STAGE-3, SEA-SURFACE TEMPERATURE, C-14 RESERVOIR AGES, GREENLAND, ICE-CORES, NORTH-ATLANTIC, DEEP-WATER, GLACIAL PERIOD, PRODUCTIVITY, CHANGES, millennial-scale changes ; western tropical atlantic ; marine isotopic stage-3 ; sea-surface temperature; c-14 reservoir ages ; greenland ice-cores ;north-atlantic ; deep-water ;glacial period ;productivity changes

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Funded by
Elucidating the Causes and Effects of Atlantic Circulation Changes through Model-Data Integration
  • Funder: European Commission (EC)
  • Project Code: 339108
  • Funding stream: FP7 | SP2 | ERC
Arctic Sea Ice and Greenland Ice Sheet Sensitivity
  • Funder: European Commission (EC)
  • Project Code: 610055
  • Funding stream: FP7 | SP2 | ERC
FCT| UID/Multi/04326/2019
Centre of Marine Sciences
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: UID/Multi/04326/2019
  • Funding stream: 6817 - DCRRNI ID
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Scientific Data
Article . 2019
Data sources: NARCIS