At the end of each glacial period when the glaciers retreated, the removal of this weight led to slow (and still ongoing) uplift or rebound of the land and the return flow of mantle material back under the deglaciated area. Due to the extreme viscosity of the mantle, it will take many thousands of years for the land to reach an equilibrium level.

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[–] 3 points 10 months ago

"landhöjning", land raising, we call this in Sweden. Here it's a well known phenomenon here. But it was really cool to see a map, I didn't know it was so much faster in Canada. Also, I didn't know that other parts are moving down due to this

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