| 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 6 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 9 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 9 years ago |