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Author Comment Last activity Moderation
hppyromz "If you were to bring your own IR source (most likely IR LED) under the water's surface and emit that, you november 2017 Calendar might find that di..." | Read more » over 5 years ago
cfastie "Eelgrass beds in New England have been traditionally mapped using normal color aerial photographs. Apparently the tricks of the trade are to have m..." | Read more » over 8 years ago
btbonval "Part of the issue here would be the IR reflectance of the water's surface (due to the index of refraction of the water/air boundary), which I under..." | Read more » over 8 years ago