August 4, 2025Open Access

Northern Greenland transect stacked ice cores as a proxy for winter extreme events in Europe

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This research demonstrates how ice core records reveal shifts in hydroclimatic extremes in Europe related to atmospheric blocking events.

Greenland ice cores provide important clues about past climate variability, specifically winter extremes in Europe.
Low concentrations of stable oxygen isotopes (δ18O) correlate with increased atmospheric blocking in Europe, indicating extreme weather patterns.
The study analyzes δ18O data from 1602 to 2011 to uncover relationships between climate and hydroclimatic events.
Findings suggest that δ18O variability is consistently linked to extreme precipitation and droughts in different European regions.

Gagliardi et al. (2025) studied this question.

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