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1.5-Million-Year Antarctic Ice Core Arrives in Cambridge for Climate Analysis

Continuous flow analysis will begin at the British Antarctic Survey this month to unlock ancient atmospheric data that will refine future climate forecasts.

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East Antarctica

Overview

  • Beyond EPICA – Oldest Ice’s 2,800-metre core from Little Dome C doubles the existing ice record back to 1.5 million years.
  • The ice core arrived on July 19 in Cambridge, marking the start of detailed laboratory studies under strict cold-chain protocols.
  • Continuous Flow Analysis at BAS will melt the core slowly to release and measure trapped air bubbles for greenhouse gas and temperature proxies.
  • Complementary analyses are slated at 12 institutions across 10 European countries as part of the European Commission-funded project.
  • Researchers aim to decipher drivers of the Mid-Pleistocene Transition and calibrate climate models against natural variability.