Between 16 and 11 thousand years
ago, the Fennoscandian Ice sheet, which once covered the greater Scandinavia area, collapsed. When coastal ice sheets
disappear, they don’t just melt in place.
Rather, the outflow glaciers carry the ice to the sea, where it breaks
off and floats away as icebergs, faster than snow in the interior of the ice
sheets falls and gets compressed into new ice.