Glacier milk

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Glacier milk - Kutscherla river in Altai
Glacier milk mixes with clear spring water (Stubai Alps)

Glacier milk describes the gray or white clouded runoff water of a glacier . The turbidity is caused by the transport of finely ground rock in the water.

If this rock powder gets into calm, standing waters (lakes), it accumulates in them. If sunlight hits this suspension , the rock powder mainly reflects the blue-green components of the light , so that such lakes (for example Peyto Lake or Lake Louise ) shine in a rich turquoise .

Individual evidence

  1. The Ice Age (=  geographic knowledge ). Verlag des Amt für Landeskunde, 1952 ( limited preview in Google book search).

See also