Why is my creek a strange color?

We are taught growing up that water is blue, but some rivers are black, brown, emerald blue, green, or even blue-green. So what gives these rivers their colors? First we need to understand what color is. Natural light is actually made up of a number of different colors associated with different wave lengths within the light spectrum. Think of the multiple colors of light when refracted by a prism. The color we associate with anything is the range of light waves that is reflected back to our eyes by the molecules that comprise the entity. We don’t see the colors of light that are absorbed. When it comes to pure water, blue light is reflected while other colors of light, especially reds, are a

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