New Study Reveals Vast Alpine Terrain Beneath Antarctic Ice | Current Affairs | Drishti IAS

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Scientists have unveiled a detailed new map of the landscape hidden beneath the ice sheets of Antarctica, revealing alpine valleys, deep troughs, and varied terrain shaped by ancient geological processes. Using satellite data and a novel technique known as Ice Flow Perturbation Analysis (IFPA), researchers mapped the continent’s bedrock by studying how ice flows over underlying features. The findings show landscapes far more diverse than previously believed, including deeply eroded ice-stream valleys comparable to the Grand Canyon. Published in the journal Science, the study is expected to significantly improve future projections of ice loss and global sea-level rise, though researchers note the method has limitations in detecting smaller or surface-influenced features.

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