Using InSAR to study aquifer properties in the Los Angeles Basin. Piyush Agram Mark Simons. Synthetic Aperture Radar (SAR). Satellite or airplane based active imaging system. Typical satellite system. 100 km x 100 km at a resolution of 25m. O rbit repeat time of 1 month.
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Using InSAR to study aquifer properties in the Los Angeles Basin
Phase change can be related to deformation
Fialko et al. (2001), Hector Mine EQ
Ground water pumping
Santa Fe Springs, CA
San Jacinto Fault, Tectonic signal
Long term deformation
Observed deformation time-series
Watson et al., (2002)
Sharp phase boundaries
Phase in days and * marks maximum seasonal amplitude location