Antarctic glacier's rapid retreat sparks scientific 'whodunnit'
Summary
A study found that Antarctica's Hektoria Glacier retreated over 8 km in late 2022. Researchers think this could be a rare process where parts of the glacier grounded on the seabed destabilized rapidly. The retreat might have implications for future sea-level rise.Key Facts
- Hektoria Glacier retreated more than 8 km (5 miles) in just two months in late 2022.
- Some scientists believe this area of the glacier was resting on the seabed, causing its quick destabilization.
- Other scientists argue the glacier's floating parts, known as ice shelves, are more prone to breaking up.
- The retreat follows the loss of sea ice that previously stabilized the glacier.
- Rapid glacier retreat could affect future sea-level rise if similar events occur elsewhere in Antarctica.
- Study findings are based on satellite data and were published in Nature Geoscience.
- The process suggests that unusual rapid retreat might have happened in Earth's past.
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