Land subsidence from ground-water pumping
Online report for an interactive workshop Impact of Climate Change and Land Use in the Southwestern United States. Discusses land subsidence due to increased ground-water pumping in the Southwest and the damage caused by subsidence.
(Score: 0.690)
Geospatial technology activities at Columbia Environmental Research Center (CERC)
Short descriptions and links to further information on projects using digital image processing, remote sensing, GIS and GPS technologies at the Columbia Environmental Research Center (CERC) in Missouri for biology and geomorphology research.
(Score: 0.630)
Southern California Integrated GPS Network (SCIGN)
Homepage for the Southern California Integrated GPS Network (SCIGN) Pasadena Field Office involved in siting and operating GPS stations, data recording, and supplying of earthquake data. Links to GPS data analysis, photos, and technical information.
(Score: 0.484)
Volcano Hazards Program, Long Valley Observatory
Overview of the Long Valley Caldera with links to monitoring data including earthquakes and deformations, long-term outlook, volcano hazards in the area, USGS response plan, image gallery, monitoring and topiocal studies, publications and references.
(Score: 0.377)
Definition:
Measurement using the Global Positioning System, a system of satellites for identifying earth locations. By triangulation of signals from three of the satellites, a receiving unit can pinpoint its current location anywhere on earth to within a few meters. [Adapted from Computer Desktop Encyclopedia, 2001]
