Relationships between low-temperature fires, climate and vegetation during three late glacials and interglacials of the last 430 kyr in northeastern Siberia reconstructed from monosaccharide anhydrides in Lake El'gygytgyn sediments
Elisabeth Dietze,Kai Mangelsdorf,Andrei Andreev,Cornelia Karger,Laura T. Schreuder,Ellen C. Hopmans,Oliver Rach,Dirk Sachse,Volker Wennrich,and Ulrike Herzschuh
Polar Terrestrial Environmental Systems, Alfred Wegener Institute for
Polar and Marine Research, Research Unit Potsdam, Telegrafenberg, 14473
Potsdam, Germany
Kai Mangelsdorf
GFZ German Research Centre for Geosciences, Helmholtz Centre Potsdam,
Organic Geochemistry, Telegrafenberg, 14473 Potsdam, Germany
Andrei Andreev
Polar Terrestrial Environmental Systems, Alfred Wegener Institute for
Polar and Marine Research, Research Unit Potsdam, Telegrafenberg, 14473
Potsdam, Germany
Institute of Geology and Petroleum Technologies, Kazan Federal
University, Kremlyovskaya Street 4/5, 420008, Kazan, Russia
Cornelia Karger
GFZ German Research Centre for Geosciences, Helmholtz Centre Potsdam,
Organic Geochemistry, Telegrafenberg, 14473 Potsdam, Germany
Laura T. Schreuder
Department of Marine Microbiology and Biogeochemistry, Royal
Netherlands Institute for Sea Research (NIOZ) and Utrecht University, Texel,
the Netherlands
Ellen C. Hopmans
Department of Marine Microbiology and Biogeochemistry, Royal
Netherlands Institute for Sea Research (NIOZ) and Utrecht University, Texel,
the Netherlands
Oliver Rach
GFZ, German Research Centre for Geosciences, Helmholtz Centre Potsdam,
Geomorphology, Surface Organic Geochemistry lab, Telegrafenberg, 14473
Potsdam, Germany
GFZ, German Research Centre for Geosciences, Helmholtz Centre Potsdam,
Geomorphology, Surface Organic Geochemistry lab, Telegrafenberg, 14473
Potsdam, Germany
University of Cologne, Institute of Geology and Mineralogy,
Zülpicher Str. 49a, 50674 Cologne, Germany
Ulrike Herzschuh
Polar Terrestrial Environmental Systems, Alfred Wegener Institute for
Polar and Marine Research, Research Unit Potsdam, Telegrafenberg, 14473
Potsdam, Germany
Institute of Environmental Sciences and Geography, University of
Potsdam, Karl-Liebknecht-Str. 24–25, 14476 Potsdam, Germany
Institute of Biochemistry and Biology, University of Potsdam,
Karl-Liebknecht-Str. 24–25, 14476 Potsdam, Germany
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Long-term climate change impacts on fire, vegetation and permafrost in the Arctic are uncertain. Here, we show the high potential of organic compounds from low-temperature biomass burning to serve as proxies for surface fires in lake deposits. During warm periods of the last 430 000 years, surface fires are closely linked to the larch taiga forest with its moss–lichen ground vegetation that isolates the permafrost. They have reduced in warm–wet, spruce–dominated and cool–dry steppe environments.
Long-term climate change impacts on fire, vegetation and permafrost in the Arctic are uncertain....
