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. 2019 Jan 30;9:989. doi: 10.1038/s41598-018-37047-y

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Biomarker and sedimentological data from the Iceland Sea and Yermak Plateau. (A) Dinoflagellate cyst concentrations from ODP Site 907 from this study (white circles) and ref.¹³ (gray circles). (B) IP₂₅ concentrations (blue circles) and brassicasterol concentrations (green circles) from ODP Site 907. (C) IP₂₅ concentrations (blue circles) and brassicasterol concentrations (green circles) from ODP Hole 910C¹¹. Blue squares indicate IP₂₅ concentrations and green squares indicate brassicasterol concentrations from ODP Hole 911A (this study). (D) High-resolution alkenone-based SST reconstruction from ODP sites 907²⁹, 642²⁴ and 982^23,29. Modern summer SSTs for each location is from the World Ocean Atlas 2013 (ref.²⁸). (E) IRD record from ODP Site 907 from ref.³⁸, placed on the ATNTS2012 timescale. (F) IRD record from ODP Hole 911A ref.⁵⁵. Vertical dotted lines indicate time slices discussed in the text and used in the reconstructions in Fig. 3.