A review of current and emerging approaches for Quaternary marine sediment dating

W Li, X Li, X Mei, F Zhang, J Xu, C Liu, C Wei… - Science of the Total …, 2021 - Elsevier
Dating methodologies for Quaternary marine sediments play increasingly important roles in
the reconstruction of paleoenvironments and paleoclimate in (paleo) oceanography …

[HTML][HTML] Revision of the Quaternary calcareous nannofossil biochronology of Arctic Ocean sediments

MJ Razmjooei, J Henderiks, HK Coxall… - Quaternary Science …, 2023 - Elsevier
Despite extensive chronological studies, the relationship between the age and sub-seafloor
depth of Arctic Ocean sediments remains ambiguous. This prevents confident identification …

[HTML][HTML] Glacial episodes of a freshwater Arctic Ocean covered by a thick ice shelf

W Geibert, J Matthiessen, I Stimac, J Wollenburg… - Nature, 2021 - nature.com
Following early hypotheses about the possible existence of Arctic ice shelves in the past,–,
the observation of specific erosional features as deep as 1,000 metres below the current sea …

230Th Normalization: New Insights on an Essential Tool for Quantifying Sedimentary Fluxes in the Modern and Quaternary Ocean

KM Costa, CT Hayes, RF Anderson… - Paleoceanography …, 2020 - Wiley Online Library
Abstract 230Th normalization is a valuable paleoceanographic tool for reconstructing high‐
resolution sediment fluxes during the late Pleistocene (last~ 500,000 years). As its …

[HTML][HTML] A multi-model CMIP6-PMIP4 study of Arctic sea ice at 127 ka: sea ice data compilation and model differences

M Kageyama, LC Sime, M Sicard, MV Guarino… - Climate of the …, 2021 - cp.copernicus.org
Abstract The Last Interglacial period (LIG) is a period with increased summer insolation at
high northern latitudes, which results in strong changes in the terrestrial and marine …

Middle to Late Pleistocene Arctic paleoceanographic changes based on sedimentary records from Mendeleev Ridge and Makarov Basin

W Xiao, L Polyak, R Wang, L Löwemark, J Mei… - Quaternary Science …, 2020 - Elsevier
Three sediment cores from the Makarov Basin and Mendeleev Ridge off the Siberian margin
were analyzed for a number of litho-, bio-and magnetostratigraphic proxies. Correlation to …

Natural variability of the Arctic Ocean sea ice during the present interglacial

A de Vernal, C Hillaire-Marcel… - Proceedings of the …, 2020 - National Acad Sciences
The impact of the ongoing anthropogenic warming on the Arctic Ocean sea ice is
ascertained and closely monitored. However, its long-term fate remains an open question as …

[HTML][HTML] A seasonally ice-free Arctic Ocean during the Last Interglacial

F Vermassen, M O'Regan, A de Boer, F Schenk… - Nature …, 2023 - nature.com
The extent and seasonality of Arctic sea ice during the Last Interglacial (129,000 to 115,000
years before present) is poorly known. Sediment-based reconstructions have suggested …

Challenging radiocarbon chronostratigraphies in central Arctic Ocean sediment

C Hillaire‐Marcel, A de Vernal, Y Rong… - Geophysical …, 2022 - Wiley Online Library
Based on the analysis of fish otolith assemblages from surface sediments of the Lomonosov
Ridge (Arctic Ocean), we demonstrate that the very low Holocene sedimentation rates and …

[HTML][HTML] Potential and limitation of 230Th-excess as a chronostratigraphic tool for late Quaternary Arctic Ocean sediment studies: An example from the Southern …

K Purcell, C Hillaire-Marcel, A de Vernal, B Ghaleb… - Marine Geology, 2022 - Elsevier
Recently, the use of “extinction ages” of excesses in U-series isotopes (230 Th xs, 231 Pa
xs) has been proposed for the setting of benchmark ages of up to~ 350 and~ 150 ka …