I know I can find a better explanation of this somewhere, but this will do for now
In perfectly clear water all shades of red are absorbed and converted
to heat before the light reaches 17 feet of depth.
Next to go are the
various shades of orange. Orange gradually turns to a dull yellow as
an orange lure runs deeper and deeper. After the oranges are gone the
yellows are filtered out next. And greens follow the yellows. And
finally nothing is left but blue light.
After the blues are absorbed there
is no light -- only darkness. Just before the blues are absorbed everything
appears in various shades of dark blue or black.
A white lure will look
white in the first few feet of water, but it gradually turns green then
blue as it goes deeper and deeper. A bright red lure will appear bright
red in the first few inches of water, red for a few feet, then at
deeper depths it gradually turns black. Why? Because no red light reaches
the lure to shine on it. |
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