Using Remote Sensing to Detect Structural Changes in Bridges

Caitlin Dempsey

Researchers are using synthetic aperture radar (SAR) collected from satellites to detect structural changes in bridges.  

NASA's Advanced Rapid Imaging and Analysis (ARIA) team created this co-seismic Interferometric Synthetic Aperture Radar (InSAR) map, which shows surface displacement caused by the recent major earthquakes in Southern California, including the magnitude 6.4 and the magnitude 7.1 events on July 4 and July 5, 2019, respectively. Credits: NASA/JPL-Caltech

Mapping Ground Movement From the 2019 California Earthquake with Satellite Data

Caitlin Dempsey

Researchers with NASA's Jet Propulsion Laboratory have used satellite data to map out surface displacement from the 2019 California earthquakes.

Free Synthetic Aperture Radar Handbook Available

Caitlin Dempsey

This free handboo provides insight into how different Synthetic Aperture Radar (SAR) methodologies can be used for forest monitoring and biomass estimation.