East Siberian ice wedges recording dust transport variability during the Late Pleistocene

Research output: Contribution to journalResearch articleContributedpeer-review

Contributors

  • Soyeon Kim - (Author)
  • Hyunwoo Lee - (Author)
  • Jeongmin Kim - (Author)
  • Yuyoung Lee - (Author)
  • Jeong-Heon Choi - (Author)
  • Mi Jung Lee - (Author)
  • Ui-Jin Kwon - (Author)
  • Go Iwahana - (Author)
  • Thomas Opel - (Author)
  • Hanno Meyer - (Author)
  • Sebastian Wetterich - , Chair of Physical Geography, Alfred Wegener Institute - Helmholtz Centre for Polar and Marine Research (Author)
  • Alexander Fedorov - (Author)
  • Jinho Ahn - (Author)

Abstract

During the Late Pleistocene, a severely cold and dry climate strengthened dust production across the Northern Hemisphere. Despite many studies examining aridification and dust production, there is a lack of understanding about dust transportation during global climate variability. Long-range transported (LRT) dust can be traced by comparing global geochemical signatures and constraining provenance relationships. Here we report rare earth element abundances and strontium, neodymium, and oxygen isotope compositions of inorganic substances in ice wedges from Batagay and Central Yakutia (Cyuie and Churapcha), which comprise Yedoma deposits that formed in unglaciated Beringia. Distinct geochemical properties reflect differences between local and LRT dust contributions. Particles in the Batagay ice wedges show higher similarities to Chinese aeolian deposits, while those in Central Yakutia indicate stronger local input. These provenance constraints highlight variability in atmospheric circulation transporting dust to the Arctic during the Late Pleistocene, linking climate changes to aerosol distribution.

Details

Original languageEnglish
Article number9751
JournalNature communications
Volume16
Issue number1
Publication statusPublished - 10 Nov 2025
Peer-reviewedYes

External IDs

Scopus 105021260432

Keywords

Sustainable Development Goals