Why Are Lakes So Blue?
Blue Water Lakes Contain Low Concentrations of Algae and Other Substances, Resulting in High Clarity and a Deep Blue Color. Water Molecules Absorb Longer...
Blue water lakes contain low concentrations of algae and other substances, resulting in high clarity and a deep blue color. Water molecules absorb longer, visible wavelengths (e.g. red light, 600-700 nm) while shorter, blue wavelengths (< 500 nm) pass deeper into the water column.
Why are mine lakes so blue?
The turquise color is caused by light scattering from very fine silt particles in the water. It happens a lot with mine tailings, it's often a sign that the water is quite clean - most pollutants cause the particles to clump together and sink.
Why is Blue Lake blue?
The clear water in the Blue Lake turns vibrant blue in summer for two reasons. ... Pure water tends to scatter light in the blue range, small particles (such as CaCO3 or calcium carbonate crystals) scatter light in the blue-green range and dissolved organic matter (tannins) scatter in the yellow-brown range.
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