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Abrupt high-latitude climate events and decoupled seasonal trends during the Eemian

Author

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  • J. Sakari Salonen

    (University of Helsinki)

  • Karin F. Helmens

    (Stockholm University)

  • Jo Brendryen

    (University of Bergen)

  • Niina Kuosmanen

    (Czech University of Life Sciences Prague)

  • Minna Väliranta

    (University of Helsinki)

  • Simon Goring

    (University of Wisconsin)

  • Mikko Korpela

    (University of Helsinki)

  • Malin Kylander

    (Stockholm University)

  • Annemarie Philip

    (University of Amsterdam)

  • Anna Plikk

    (Stockholm University)

  • Hans Renssen

    (University College of Southeast Norway
    VU University Amsterdam)

  • Miska Luoto

    (University of Helsinki)

Abstract

The Eemian (the Last Interglacial; ca. 129–116 thousand years ago) presents a testbed for assessing environmental responses and climate feedbacks under warmer-than-present boundary conditions. However, climate syntheses for the Eemian remain hampered by lack of data from the high-latitude land areas, masking the climate response and feedbacks in the Arctic. Here we present a high-resolution (sub-centennial) record of Eemian palaeoclimate from northern Finland, with multi-model reconstructions for July and January air temperature. In contrast with the mid-latitudes of Europe, our data show decoupled seasonal trends with falling July and rising January temperatures over the Eemian, due to orbital and oceanic forcings. This leads to an oceanic Late-Eemian climate, consistent with an earlier hypothesis of glacial inception in Europe. The interglacial is further intersected by two strong cooling and drying events. These abrupt events parallel shifts in marine proxy data, linked to disturbances in the North Atlantic oceanic circulation regime.

Suggested Citation

  • J. Sakari Salonen & Karin F. Helmens & Jo Brendryen & Niina Kuosmanen & Minna Väliranta & Simon Goring & Mikko Korpela & Malin Kylander & Annemarie Philip & Anna Plikk & Hans Renssen & Miska Luoto, 2018. "Abrupt high-latitude climate events and decoupled seasonal trends during the Eemian," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05314-1
    DOI: 10.1038/s41467-018-05314-1
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    Cited by:

    1. Elan J. Levy & Hubert B. Vonhof & Miryam Bar-Matthews & Alfredo Martínez-García & Avner Ayalon & Alan Matthews & Vered Silverman & Shira Raveh-Rubin & Tami Zilberman & Gal Yasur & Mareike Schmitt & Ge, 2023. "Weakened AMOC related to cooling and atmospheric circulation shifts in the last interglacial Eastern Mediterranean," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    2. Yajie Dong & Naiqin Wu & Fengjiang Li & Dan Zhang & Yueting Zhang & Caiming Shen & Houyuan Lu, 2022. "The Holocene temperature conundrum answered by mollusk records from East Asia," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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