NASA Airborne Research Focuses on Andean Volcanoes

Peru's Ubinas volcano This false-color image of Peru's Ubinas volcano was acquired on April 14, 2014, by NASA's Uninhabited Aerial Vehicle Synthetic Aperture Radar, or UAVSAR. Image credit: NASA/JPL-Caltech
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May 27, 2014

A NASA-developed airborne imager called a synthetic aperture radar took a detailed look at volcanoes in Central and South America during an Earth science study in late April and early May 2014.

The Uninhabited Aerial Vehicle Synthetic Aperture Radar, or UAVSAR, developed by NASA's Jet Propulsion Laboratory in Pasadena, California, was flown on NASA's C-20A. The 29-day deployment ended May 6 when the aircraft returned to its base in Palmdale, California, after 19 flights totaling 97 hours in the air.

This is the second consecutive year the UAVSAR team has conducted a campaign to study sites in Central and South America. Many of the flights imaged the Andean volcanic belt located in western South America.

"By combining images acquired in 2013 with the 2014 images, researchers will produce detailed surface motion measurements to improve volcanic deformation models," said Naiara Pinto, JPL's UAVSAR science coordinator.

NASA's C-20A features a high-precision autopilot designed and developed by engineers at NASA's Armstrong Flight Research Center, Edwards, California, allowing the aircraft to fly the same flight lines this spring as those flown in 2013 within 15 feet (4.5 meters) or closer. With the autopilot engaged, the synthetic aperture radar is able to acquire repeat-pass data that can measure land-surface changes within fractions of an inch (centimeters).

In coordination with the volcano studies, the agency's C-20A gathered data over Amazonian forests in Peru, agricultural sites in Chile and glaciers on the Chilean/Argentinian border. All of these research projects involve Latin American institutions, including universities and hazard monitoring agencies.

More information on the mission is available at:

http://www.nasa.gov/centers/armstrong/Features/C-20A_studies_andean_volcanos.html

For more information on the UAVSAR, visit:

http://uavsar.jpl.nasa.gov/

NASA and its partners monitor Earth's vital signs from land, air and space with a fleet of satellites and ambitious airborne and ground-based observation campaigns. NASA develops new ways to observe and study Earth's interconnected natural systems with long-term data records and computer analysis tools to better see how our planet is changing. The agency shares this unique knowledge with the global community and works with institutions in the United States and around the world that contribute to understanding and protecting our home planet.

To learn more about NASA's Earth science activities in 2014, visit:

http://www.nasa.gov/earthrightnow

Alan Buis 818-354-0474
Jet Propulsion Laboratory, Pasadena, Calif.
Alan.Buis@jpl.nasa.gov

Beth Hagenauer
661-276-7960
NASA Armstrong Flight Research Center, Edwards, Calif.
beth.hagenauer-1@nasa.gov

2014-165

Images

NASA's C-20A crew is shown preparing for flight

NASA's C-20A aircraft crew preparing for flight from Tocumen International Airport in Panama City, Panama. The aircraft was deployed to Central and South America for a research study using JPL's UAVSAR airborne radar, located in an underbelly pod (note red cover). Image Credit: NASA/Armstrong Flight Research Center

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