by Staff Writers
Pasadena CA (JPL) Jan 11, 2012
An airborne radar developed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., has returned to Hawaii to continue its study of Kilauea volcano, Hawaii's current most active volcano.
The Uninhabited Aerial Vehicle Synthetic Aperture Radar, or UAVSAR, mounted in a pod under NASA's G-III research aircraft from NASA's Dryden Flight Research Center, Edwards, Calif., returned to Hawaii's Big Island on Jan. 7. The one-week airborne campaign will help scientists better understand processes occurring under Earth's surface at Kilauea.
UAVSAR uses a technique called interferometry that sends pulses of microwave energy from the sensor on the aircraft to the ground to detect and measure very subtle deformations in Earth's surface.
The radar will collect data over Kilauea from an altitude of about 41,000 feet (12,500 meters). UAVSAR previously studied the region in January 2010 and May 2011. Those two sets of observations successfully imaged the surface deformation caused by the March 2011 fissure eruption in Kilauea's east rift zone.
Flights this month will trace the same path as the two previous years to measure deformation of the volcano since the March 2011 eruption and as part of future studies of the volcano's changing deformation patterns due to volcanic activity.
Earth Observation News - Suppiliers, Technology and Application
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Astro Aerospace Completes CDA of Reflector Boom Assembly for SMAP Mission
Carpinteria CA (SPX) Jan 10, 2012
Astro Aerospace, a strategic business unit of Northrop Grumman, has completed a major milestone in the development of the reflector boom assembly (RBA) for NASA's Soil Moisture Active Passive (SMAP) Mission. Astro Aerospace conducted the RBA Critical Design Review on Dec. 13-14, 2011. The RBA is being developed for the SMAP Instrument; the SMAP instrument and mission is being developed for ... read more
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