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Oceanography

SOFAR Sound-Speed Profile

c = 1500 + 0.017(zāˆ’1000)Ā²/100
SOFAR Sound-Speed Profile

Sound speed dips to a minimum near a kilometre down; this SOFAR-channel axis refracts rays back toward it, letting low-frequency sound travel thousands of kilometres.

Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library ā€” animation baked to GIF with the library's own Gif encoder (no GPU, no ffmpeg, no external packages).