Disturbed Needle Ice

Needle Ice

Needle ice is formed when the ground is above freezing but the air is below freezing. Water in the soil rises to the surface and freezes, forming tiny needles of ice that often push the top layer of soil two or three centimetres into the air.

Here the needle ice has formed on the path up Yewbarrow from Wastwater, and has been broken by passing walkers, allowing us to see some of its structure.

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