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Greenland records of aerosol source and atmospheric lifetime changes from the Eemian to the Holocene

Schüpbach, S. (author)
University of Bern,University of Copenhagen,Korea Polar Research Institute,Inha University
Fischer, H. (author)
University of Bern
Bigler, M. (author)
University of Bern
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Erhardt, T. (author)
University of Bern,British Antarctic Survey
Gfeller, G. (author)
University of Bern
Leuenberger, D. (author)
University of Bern
Mini, O. (author)
University of Bern
Mulvaney, R. (author)
British Antarctic Survey
Abram, N. J. (author)
British Antarctic Survey,Australian National University
Fleet, L. (author)
British Antarctic Survey
Frey, M. M. (author)
British Antarctic Survey
Thomas, E. (author)
British Antarctic Survey
Svensson, A. (author)
University of Copenhagen
Dahl-Jensen, D. (author)
University of Copenhagen
Kettner, E. (author)
University of Copenhagen
Kjaer, H. (author)
University of Copenhagen
Seierstad, I. (author)
University of Copenhagen
Steffensen, J. P. (author)
University of Copenhagen
Rasmussen, S. O. (author)
University of Copenhagen
Vallelonga, P. (author)
University of Copenhagen
Winstrup, M. (author)
University of Copenhagen
Wegner, A. (author)
Alfred-Wegener Institute for Polar and Marine Research, Potsdam
Twarloh, B. (author)
Alfred-Wegener Institute for Polar and Marine Research, Potsdam
Wolff, K. (author)
Alfred-Wegener Institute for Polar and Marine Research, Potsdam
Schmidt, K. (author)
Alfred-Wegener Institute for Polar and Marine Research, Potsdam
Goto-Azuma, K. (author)
National Institute of Polar Research (NIPR)
Kuramoto, T. (author)
National Institute of Polar Research (NIPR)
Hirabayashi, M. (author)
National Institute of Polar Research (NIPR)
Uetake, J. (author)
National Institute of Polar Research (NIPR)
Zheng, J. (author)
Geological Survey of Canada
Bourgeois, J. (author)
Geological Survey of Canada
Fisher, D. (author)
University of Ottawa
Zhiheng, D. (author)
Cold and Arid Regions Environmental and Engineering Research, Institute Chinese Academy of Sciences
Xiao, C. (author)
Cold and Arid Regions Environmental and Engineering Research, Institute Chinese Academy of Sciences
Legrand, M. (author)
University Grenoble Alpes
Spolaor, A. (author)
University of Venice
Gabrieli, J. (author)
University of Venice
Barbante, C. (author)
University of Venice
Kang, J. H. (author)
Korea Polar Research Institute
Hur, S. D. (author)
Korea Polar Research Institute
Hong, S. B. (author)
Korea Polar Research Institute
Hwang, H. J. (author)
Hong, S. (author)
Inha University
Hansson, Margareta (author)
Stockholms universitet,Stockholm University,Institutionen för naturgeografi
Iizuka, Y. (author)
Stockholms universitet,Stockholm University,Institutionen för naturgeografi
Oyabu, I. (author)
Stockholms universitet,Stockholm University,Institutionen för naturgeografi
Muscheler, R. (author)
Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science
Adolphi, F. (author)
Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science,University of Bern
Maselli, O. (author)
Desert Research Institute, Reno
McConnell, J. (author)
Desert Research Institute, Reno
Wolff, E. W. (author)
University of Cambridge
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 (creator_code:org_t)
2018-04-16
2018
English.
In: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 9:1
Related links:
http://dx.doi.org/10... (free)
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https://www.nature.c...
https://doi.org/10.1...
https://lup.lub.lu.s...
https://doi.org/10.1...
https://urn.kb.se/re...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The Northern Hemisphere experienced dramatic changes during the last glacial, featuring vast ice sheets and abrupt climate events, while high northern latitudes during the last interglacial (Eemian) were warmer than today. Here we use high-resolution aerosol records from the Greenland NEEM ice core to reconstruct the environmental alterations in aerosol source regions accompanying these changes. Separating source and transport effects, we find strongly reduced terrestrial biogenic emissions during glacial times reflecting net loss of vegetated area in North America. Rapid climate changes during the glacial have little effect on terrestrial biogenic aerosol emissions. A strong increase in terrestrial dust emissions during the coldest intervals indicates higher aridity and dust storm activity in East Asian deserts. Glacial sea salt aerosol emissions in the North Atlantic region increase only moderately (50%), likely due to sea ice expansion. Lower aerosol concentrations in Eemian ice compared to the Holocene are mainly due to shortened atmospheric residence time, while emissions changed little.

Subject headings

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences (hsv//eng)

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