THE WAYS OF LIGHT IN THE OCEAN

Asian Diver (English) - - Front Page -

The light spec­trum com­prises a rain­bow of dif­fer­ent wave­lengths (400nm to 700nm) that are per­ceived as dif­fer­ent colours.

Light op­er­ates in the ocean dif­fer­ently than on land.

Most of the light hit­ting the wa­ter sur­face is re­flected back into the at­mos­phere. The rest is ab­sorbed or scat­tered by the sea­wa­ter and crea­tures liv­ing in it (such as plank­ton). Dif­fer­ent wave­lengths are af­fected to dif­fer­ent de­grees with in­creas­ing depth or hor­i­zon­tal dis­tance.

Longer wave­lengths of light are ab­sorbed and scat­tered quickly and

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