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Western Remote Sensing and Visualization Center

The California District Center for Interferometric Synthetic Aperture Radar (InSAR) Western Remote Sensing and Visualization Center supports USGS investigations of aquifer-system compaction and resulting land-surface elevation changes (subsidence and uplift) through the processing and interpretation of InSAR data. InSAR is a powerful tool that uses radar signals to measure deformation of the Earth's crust at unprecedented spatial detail and high degree of measurement resolution, and is often less expensive than obtaining sparse point measurements from labor-intensive spirit-leveling and Global Positioning System (GPS) surveys. Western Remote Sensing and Visualization Center provides InSAR support and products for USGS water-resources investigations, and has been or is presently active in arid and (or) urban areas in California, Nevada, New Mexico, Texas, and Wyoming. For additional information, contact Michelle Sneed.

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Interferogram of Las Vegas Valley, Nevada, April 1992 to December 1997.

Amelung, Falk, Galloway, D.L., Bell, J.W., Zebker, H.A., and Laczniak, R.L., 1999, Sensing the ups and downs of Las Vegas - InSAR reveals structural control of land subsidence and aquifer-system deformation: Geology, v. 27, no 6, pp. 483-486.

Group members: Michelle Sneed, Devin Galloway, Gerald Bawden, Justin Brandt and Mike Solt

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URL: http://ca.water.usgs.gov/program/desert/insar/index.html
Page Contact Information: GS-W-CAWSC_WWW@usgs.gov
Page Last Modified: Thursday, 01-May-2014 18:44:06 EDT