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That translates to an uplift rate of roughly 0.01-0.02 inches (0.2-0.5 millimeters) per year. The geological process at work, they said, is called isostatic rebound.
However, the researchers argue that isostatic rebound caused by the rivers significantly amplifies this uplift, adding another layer of complexity to Everest’s growth story.
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The researchers used numerical models to simulate the evolution of the river system. They estimated that isostatic rebound accounts for about 10 per cent of Everest’s annual uplift rate.
This uplift outpaces the continued surface erosion caused by factors such as wind, rain and river flow. As this erosion continues, Everest’s uplift rate from isostatic rebound may increase ...
Researchers used numerical models to simulate how these river systems evolved and found that isostatic rebound accounts for about 10% of Everest’s annual uplift rate. GPS measurements have confirmed ...
It led to a rapid expansion of the drainage area and an acceleration of the erosion rate, with the maximum annual erosion depth reaching up to 12 millimeters. As the riverbed deepened, the surrounding ...