Atmospheric-river-induced foehn events drain glaciers on Novaya Zemlya

J. Haacker (), B. Wouters (), X. Fettweis, I. A. Glissenaar and J. E. Box
Additional contact information
J. Haacker: University of Technology Delft
B. Wouters: University of Technology Delft
X. Fettweis: University of Liège
I. A. Glissenaar: Utrecht University
J. E. Box: Geological Survey of Denmark and Greenland

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Recently, climate extremes have been grabbing attention as important drivers of environmental change. Here, we assemble an observational inventory of energy and mass fluxes to quantify the ice loss from glaciers on the Russian High Arctic archipelago of Novaya Zemlya. Satellite altimetry reveals that 70 ± 19% of the 149 ± 29 Gt mass loss between 2011 and 2022 occurred in just four high-melt years. We find that 71 ± 3% of the melt, including the top melt cases, are driven by extreme energy imports from atmospheric rivers. The majority of ice loss occurs on leeward slopes due to foehn winds. 45 of the 54 high-melt days (>1 Gt d−1) in 1990 to 2022 show a combination of atmospheric rivers and foehn winds. Therefore, the frequency and intensity of atmospheric rivers demand accurate representation for reliable future glacier melt projections for the Russian High Arctic.

Date: 2024
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DOI: 10.1038/s41467-024-51404-8

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