Scientists from NASA’s Jet Propulsion Laboratory in Pasadena, CA used their Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) technology to collect repeat measurements of the Napa Valley area to accurately map ground deformations from the August 24, 2014 earthquake. The special autopilot developed by NASA allows the C-20A aircraft to fly within 30 feet of its previous flight line surveys to collect high-resolution radar data. The data can be processed using interferrometric techniques to generate INSAR images that will tell geologists, engineers, seismologists, and planners how much movement occurred, including in soft sediment areas near the North Bay Aqueduct. [Source: NASA. Image: NASA Armstrong]
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Good Stuff From Ontario-geofish
This is not the first time I’ve posted links to blog posts from the Ontario-geofish blog by Harold A. Some times I blatantly rip him off, but hopefully he doesn’t mind since I try to credit him whenever I post about an article he found. I guess he has more time for surfing since he’s retired! 🙂 Here are a couple of his recent posts that I found interesting. (Image by NASA)