Mondo Knows Facts

Glaciers flow downhill like very slow rivers

Ice deforms under its own weight, so a glacier keeps moving while staying solid Most glaciers creep forward at tens to hundreds of metres a year, and some surge far faster for a season. The ice slides on meltwater at the base and deforms internally like a very stiff fluid. Where the bed is uneven the surface cracks into crevasses as the faster ice stretches. It sits in Mondo's world geography collection, one of 200 facts that each trace back to the reference below.

Where this comes from

United Nations

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Tags: glaciers, ice, physics

Glaciers flow downhill like very slow rivers: the short answers

Where does this come from, and can I check it?
Ice deforms under its own weight, so a glacier keeps moving while staying solid. The figure is taken from United Nations, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a world geography fact?
Yes. It sits on the World Geography shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?
The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.