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National Academy of Sciences, Proceedings of the National Academy of Sciences, 50(114), 2017

DOI: 10.1073/pnas.1712651114

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Coupled European and Greenland last glacial dust activity driven by North Atlantic climate

Journal article published in 2017 by Gábor Újvári ORCID, Thomas Stevens, Mihály Molnár, Attila Demény, Fabrice Lambert, György Varga, A. J. Timothy Jull ORCID, Barna Páll-Gergely, Jan-Pieter Buylaert, János Kovács ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Significance Atmospheric dust is a major component of climate change. However, the relationship between glacial continental dust activity and abrupt centennial–millennial-scale climate changes of the North Atlantic is poorly known. Recent advances in high-precision radiocarbon dating of small gastropods in continental loess deposits provide an opportunity to gain unprecedented insights into dust variations and its major drivers at centennial–millennial scales from a near-source dust archive. Here, we show that Late Quaternary North Atlantic temperature and dustiness in Greenland and Europe were largely synchronous and suggest that this coupling was driven via precipitation changes and large-scale atmospheric circulation.