Isostatic rebound refers to the process of Earth's crust rising after the removal of overlying material, such as ice sheets or sediment. This phenomenon occurs as the lithosphere, which is the rigid outer layer of the Earth, adjusts to changes in surface load, allowing the crust to reach a new equilibrium state. As glaciers melt or sediments are eroded, the weight on the crust decreases, causing it to rise and often resulting in changes to landscapes and even affecting sea levels.
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