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As the polar ice sheets melt, the process is not just raising sea levels – it’s also warping the underlying surface of Earth, a new study reveals, and some of the effects can be seen across thousands of miles.
What’s happening is that Earth’s crust is rising and spreading as the weight of the ice across Greenland, Antarctica, and the Arctic Islands gets lifted. The movement isn’t huge, averaging less than a millimeter a year, but it’s there and it covers a lot of ground.
There’s a feedback loop happening too, because as the bedrock under the ice shifts, that in turn affects how the ice continues to melt and break away. A full understanding of how this works is essential in modeling how our world might look in the future. Read More
Antarctic Quest 21 will be providing the research scientists more information on how this is affecting the earth.