The process whereby materials of the earth's crust are loosened, dissolved, or worn away and simultaneously moved from one place to another.
- Using terrestrial light detection and ranging (lidar) technology for land-surface analysis in the Southwest [More info]
- Tripod-mounted lidar makes it inexpensive and efficient to measure and map geographic features that change with time, such as sand dunes and erosional features, and soil microtopography.
- Yosemite Valley geologic story [More info]
- Site describes the present understanding of the various geologic processes that contributed to the valley's creation. Links to Yosemite Valley's geologic maps.