A new study has found that daily tides, fueled by warmer water , have eaten away at the bottom of a major glacier in Greenland, creating a hole taller than the Washington Monument and accelerating the glacier's retreat. The findings highlight the alarming impact of warming waters on the world's ice sheets. Scientists are concerned that the recent discovery of a massive hole in Greenland's glacier, caused by warming-stoked tides, could be more widespread than previously thought. This has raised concerns about the accuracy of earlier projections regarding melting rates on the planet's fragile ice sheets. Melting rates on the world's vulnerable ice sheets may have been previously underestimated as a recent study reveals the rapid melt observed in the Petermann Glacier in the far northwest of Greenland. If the phenomenon is occurring in other parts of Greenland and the Antarctic ice sheet, global ice loss and sea-level rise may accelerate at twice the previous estima...
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