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Is LIDAR capabale of imaging the entire oil slick? Why haven't we seen it?
I know it can image solids very well, and can work on a gigantic scale, but I don't know how well or if it would pick up the oil throughout the water or not, and most likely not the gas (maybe?) , but it seems like it would, and it'd be a huge benefit for everyone to get a good idea of what this mess actually looks like.
And you can't say it'd cost too much to fly some planes or helicopters back and forth over the gulf scanning with technology we're already relatively familiar with...
"LIDAR: Light Detection And Ranging
-scanning infra-red laser
Laser reflections are detected at 100,000 measurements per second
...Laser reflection points, IMU and GPS data are combined, giving a point cloud with better than 5cm accuracy "
Seventeen lost pyramids are among the buildings identified in a new satellite survey of Egypt. More than 1,000 tombs and 3,000 ancient settlements were also revealed by looking at infra-red images which show up underground buildings.