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

Újvári, Gábor (författare)
Hungarian Academy of Sciences, Research Centre for Astronomy and Earth Sciences, Institute for Geological and Geochemical Research, Budapest; Technical University of Denmark, Center for Nuclear Technologies, Roskilde
Stevens, Thomas, 1979- (författare)
Uppsala universitet,Luft-, vatten- och landskapslära
Molnár, Mihály (författare)
Hungarian Academy of Sciences, Institute for Nuclear Research, Isotope Climatology and Environmental Research Centre, Debrecen
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Demény, Attila (författare)
Hungarian Academy of Sciences, Research Centre for Astronomy and Earth Sciences, Institute for Geological and Geochemical Research, Budapest
Lambert, Fabrice (författare)
Pontificia Universidad Católica de Chile, Geography Institute, Santiago
Varga, György (författare)
Hungarian Academy of Sciences, Research Centre for Astronomy and Earth Sciences, Geographical Institute
Jull, A. J. Timothy (författare)
Hungarian Academy of Sciences, Institute for Nuclear Research, Isotope Climatology and Environmental Research Centre, Debrecen; University of Arizona, Department of Geosciences, Tucson; University of Arizona, Accelerator Mass Spectrometry Facility, Tucson
Páll-Gergely, Barna (författare)
Hungarian Academy of Sciences, Centre for Agricultural Research, Plant Protection Institute, Budapest
Buylaert, Jan-Pieter (författare)
Technical University of Denmark, Center for Nuclear Technologies, Roskilde; University of Aarhus, Department of Geoscience, Nordic Laboratory for Luminescence Dating, Roskilde
Kovács, János (författare)
University of Pécs, Department of Geology and Meteorology; Szentágothai Research Centre, Environmental Analytical and Geoanalytical Research Group, Pécs
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 (creator_code:org_t)
2017-11-27
2017
Engelska.
Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 0027-8424 .- 1091-6490. ; 114:50, s. E10632-E10638
Relaterad länk:
https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
https://www.pnas.org...
https://urn.kb.se/re...
https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Centennial-scale mineral dust peaks in last glacial Greenland ice cores match the timing of lowest Greenland temperatures, yet little is known of equivalent changes in dust-emitting regions, limiting our understanding of dust−climate interaction. Here, we present the most detailed and precise age model for European loess dust deposits to date, based on 125 accelerator mass spectrometry 14C ages from Dunaszekcső, Hungary. The record shows that variations in glacial dust deposition variability on centennial–millennial timescales in east central Europe and Greenland were synchronous within uncertainty. We suggest that precipitation and atmospheric circulation changes were likely the major influences on European glacial dust activity and propose that European dust emissions were modulated by dominant phases of the North Atlantic Oscillation, which had a major influence on vegetation and local climate of European dust source regions.

Ämnesord

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Multidisciplinär geovetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Geosciences, Multidisciplinary (hsv//eng)

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