EAARL DEM Image overlay of the Dry Tortugas National Park showing submerged topography using lidar. NASA's Experimental Advanced Airborne Research Lidar (EAARL) is a raster-scanning green-wavelength water-penetrating lidar. The images are normally taken from a Cessna aircraft using digital multi-spectral color infrared cameras.
http://coastal.er.usgs.gov/remote-sensing/advancedmethods/googleearth.html
No comments:
Post a Comment