Modern temperatures in central–north Greenland warmest in past millennium

M. Hörhold (), T. Münch, S. Weißbach, S. Kipfstuhl, J. Freitag, I. Sasgen, G. Lohmann, B. Vinther and T. Laepple
Additional contact information
M. Hörhold: Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
T. Münch: Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
S. Weißbach: Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
S. Kipfstuhl: Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
J. Freitag: Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
I. Sasgen: Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
G. Lohmann: Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
B. Vinther: University of Copenhagen
T. Laepple: Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung

Nature, 2023, vol. 613, issue 7944, 503-507

Abstract: Abstract The Greenland Ice Sheet has a central role in the global climate system owing to its size, radiative effects and freshwater storage, and as a potential tipping point1. Weather stations show that the coastal regions are warming2, but the imprint of global warming in the central part of the ice sheet is unclear, owing to missing long-term observations. Current ice-core-based temperature reconstructions3–5 are ambiguous with respect to isolating global warming signatures from natural variability, because they are too noisy and do not include the most recent decades. By systematically redrilling ice cores, we created a high-quality reconstruction of central and north Greenland temperatures from ad 1000 until 2011. Here we show that the warming in the recent reconstructed decade exceeds the range of the pre-industrial temperature variability in the past millennium with virtual certainty (P

Date: 2023
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DOI: 10.1038/s41586-022-05517-z

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