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No freshwater-filled glacial Arctic Ocean

Matters Arising to this article was published on 02 February 2022

The Original Article was published on 03 February 2021

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Fig. 1: Bathymetric map of the Nordic Seas.
Fig. 2: Published stable oxygen isotope records from Fram Strait and the Nordic Seas sediment cores6,11,13,14.

Data availability

All data shown in this contribution have been published previously and are fully referenced.


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Author information

Authors and Affiliations



R.F.S. initiated the project. R.F.S. and J.C.S. collected the data from published sources and wrote the manuscript. All authors contributed to data interpretation and to refining the manuscript.

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Correspondence to Robert F. Spielhagen.

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The authors declare no competing interests.

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Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Supplementary information

Supplementary Information

This file contains Supplementary Figs. 1–3 and refs. 1–20. Supplementary Fig. 1 shows a simplified cross section over the Arctic Ocean and the Nordic Seas and consequences of the decay of a thick ice sheet covering this area. Supplementary Fig. 2 shows a map of the northern North Atlantic with core locations. Supplementary Fig. 3 shows oxygen isotope records of cores in the North Atlantic.

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Spielhagen, R.F., Scholten, J.C., Bauch, H.A. et al. No freshwater-filled glacial Arctic Ocean. Nature 602, E1–E3 (2022).

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