waterfall and rocks ice |
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| navigate by keyword : absorbs absorption another appears blue bond cases cause color compared cumulative effect end energies flowing flows freshwater greener ground ice increasing intensifies internal lake light liquid longer lower natural ocean overtone oxygenhydrogen path preferentially red reflections result river rocks sea shifted slightly some spectrum stretch take than thickness this thus tint toward usually water |
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| In some cases a river flows into the ground.As with water, ice absorbs light at the red end of the spectrum preferentially as the result of an overtone of an oxygenââ¬âhydrogen Oââ¬âH bond stretch. Compared with water, this absorption is shifted toward slightly lower energies. Thus, ice appears blue, with a slightly greener tint than liquid water. Since absorption is cumulative, the color effect intensifies with increasing thickness or if internal reflections cause the light to take a longer path through the ice |
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