•1 min read•from Oceanography News -- ScienceDaily
9,000-year-old ice melt shows how fast Antarctica can fall apart
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Research reveals that approximately 9,000 years ago, East Antarctica experienced a significant meltdown driven by warm deep ocean water infiltrating beneath its floating ice shelves. This intrusion led to the collapse of these ice structures, triggering a cascading effect of ice loss throughout the continent. The findings illustrate a critical "cascading positive feedback" mechanism, wherein melting in one area accelerates further melting in others due to interconnected ocean currents.
Around 9,000 years ago, East Antarctica went through a dramatic meltdown that was anything but isolated. Scientists have discovered that warm deep ocean water surged beneath the region’s floating ice shelves, causing them to collapse and unleashing a domino effect of ice loss across the continent. This process created a “cascading positive feedback,” where melting in one area sped up melting elsewhere through interconnected ocean currents.
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#ocean data#interactive ocean maps#ocean circulation#Antarctica#ice melt#deep ocean water#ice shelves#meltdown#cascading positive feedback#interconnected ocean currents#ice loss#East Antarctica#collapse#warming#climate change#environmental impact#glacial dynamics#feedback mechanism#melting processes#palaeoclimate