Abrupt climate changes for Iceland during the last millennium: Evidence from high resolution sea ice reconstructions

Type Article
Date 2008-05
Language English
Author(s) Masse Guillaume1, Rowland Steven J.1, Sicre Marie-Alexandrine4, Jacob Jeremy2, Jansen Eystein3, Belt Simon T.1
Affiliation(s) 1 : Univ Plymouth, Sch Earth Ocean & Environm Sci, Petr & Environm Geochem Grp, Ctr Chem Sci, Plymouth PL4 8AA, Devon, England.
2 : Inst Sci Terre Orleans, UMR 6113, F-45000 Orleans, France.
3 : Bjerknes Ctr Climate Res, N-5007 Bergen, Norway.
4 : Domaine CNRS, Lab Sci Climat & Environnement, F-91198 Gif Sur Yvette, France.
Source Earth And Planetary Science Letters (0012-821X) (Elsevier Science Bv), 2008-05 , Vol. 269 , N. 3-4 , P. 564-568
DOI 10.1016/j.epsl.2008.03.017
WOS© Times Cited 165
Keyword(s) highly branched isoprenoid alkenes, sea ice, Iceland, sediments
Abstract A high resolution account of Icelandic sea ice over the last millennium has been constructed using a novel proxy based on the presence in sediments of a biomarker (IP25) produced by sea ice algae. Comparison with historical sea ice records demonstrates a strong correlation between documented sea ice Occurrences and the IP25 proxy. An excellent agreement is also observed between the IP25 record and a diatom-based sea surface temperature reconstruction obtained from the same core and the Crowley and Lowery Northern Hemisphere temperature reconstruction. Using this approach, we provide new historical sea ice data for periods where records are scarce or absent and evidence for abrupt changes to sea ice and/or climate conditions around Iceland during the Little Ice Age.
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Masse Guillaume, Rowland Steven J., Sicre Marie-Alexandrine, Jacob Jeremy, Jansen Eystein, Belt Simon T. (2008). Abrupt climate changes for Iceland during the last millennium: Evidence from high resolution sea ice reconstructions. Earth And Planetary Science Letters, 269(3-4), 564-568. Publisher's official version : https://doi.org/10.1016/j.epsl.2008.03.017 , Open Access version : https://archimer.ifremer.fr/doc/00237/34839/