Tag Archives: USGS
Roving Curiosity Maps
[a stereoscopic terrain map of Mars, prepared by the USGS. "Use red-blue glasses (red lens over left eye) to view this three-dimensional image of a canyon eroded into strata, interpreted as sulfate beds on the flanks of Aeolis Mons in Gale crater."] In order to chart a feasible path for the wanderings of the Curiosity […]
Building Land to Know How It Erodes Away
[Top image: Sediment-thickness map, showing thickness of the sand deposit at Hewes Point, north of the Chandeleur Island chain. Sand used to construct the E-4 berm was excavated from the side of the deposit, about 3 kilometers north of the islands. Bottom: Photograph taken on April 13, 2011, of the completed E-4 berm, detached from […]
River was: 34,131,100 points
The U.S. Geological Survey recently posted a LIDAR fly-through of what the Lower Elwha River looked like as of September 2011. The composite of 97 on-the-ground LIDAR scans were made less than a week before the start of dismantling the Elwha and Glines Canyon Dams upstream. The 34,131,100 georeferenced points of light will serve as […]
