About Blue Ice ONLY - vivid blues from Glaciers and Icebergs only
Photographs of glacial Blue Ice only! Everything else deleted! A blue colour cast does not signify blue ice, as defined below:
"Blue ice occurs when snow falls on a glacier, is compressed, and becomes part of a glacier that winds its way toward a body of water (river, lake, ocean, etc.). During its travels, all of the air bubbles that are trapped in the ice are squeezed out, and the size of the ice crystals increases, making it clear.
The blue color is often wrongly attributed to Rayleigh scattering. Actually, the ice is blue for the same reason water is blue. Namely, it is a result of an overtone of a OH molecular stretch in the water which absorbs light at the red end of the visible spectrum.[1]"
Wikipedia: Blue ice (glacial) »
http://webexhibits.org/causesofcolor/5C.html
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