The ground under the ice has a lower albedo causes earth more warm.
Low albedo (dark surfaces) leads to higher uptake of energy and, hence, warming. Moreover, when more ice and snow melt, there will be more dark surfaces. This is therefore a self-reinforcing effect. Climate change in the Arctic is consequently important for the development of climate change globally.
As ice melts it reviles the ground and instead of the light being reflected it has now absorbed more cause of the water and earth.
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