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<p>Terrestrial evidence of ice-sheet meltwater events during the last deglaciation are exceptionally rare. However, they are a valuable complement to marine records that suggest immense ice-sheet meltwater pulses discharging into the Northeast Pacific, termed Siku events. Here we describe and date a terrestrial Cordilleran Ice Sheet meltwater archive in a karstified glacial outwash plain during the early last deglaciation, showing semi-continuous meltwater events between about 20,000 and 17,000 years ago.</p>

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Semi-continuous release of Cordilleran Ice Sheet meltwater between 20,000 and 17,000 years ago

  • 期刊论文

  • 发表日期：

    2025年5月13日

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  • Paul S. Wilcox,
  • Michael C. Meyer,
  • Daniela Festi

摘要

Terrestrial evidence of ice-sheet meltwater events during the last deglaciation are exceptionally rare. However, they are a valuable complement to marine records that suggest immense ice-sheet meltwater pulses discharging into the Northeast Pacific, termed Siku events. Here we describe and date a terrestrial Cordilleran Ice Sheet meltwater archive in a karstified glacial outwash plain during the early last deglaciation, showing semi-continuous meltwater events between about 20,000 and 17,000 years ago.