Reading the Change of Seawater Color
Light reflection, depth, quality and
composition of seabed, and blockage of light by clouds affect the change of
seawater color. The darkest blue to black indicates deep water; the more it is
lighter and purer, the less the depth is. Light green is less deep with a brown
seabed. Brown indicates shallow and muddy water full of marine grass. Black
indicates very less deep water with rocky dangerous ground, and it is
classified as bare.
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