NASA Spacecraft Images Destructive Argentine Wildfire
Wildfires have struck the Cordoba province of northern Argentina, caused by high temperatures and strong winds. The large fire, which began on Sept. 9, 2013, spread to more than 37,000 acres (15,000 hectares), destroyed numerous homes, and led to the evacuation of several villages. This image, acquired on Sept. 22, 2013 by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra spacecraft, shows the extent of the burned area in black. Healthy vegetation, like forests and farm land, is depicted in red. The image covers an area of 19 by 30 miles (30 by 49 kilometers), and is located near 32.1 degrees south latitude, 64.8 degrees west longitude.
With its 14 spectral bands from the visible to the thermal infrared wavelength region and its high spatial resolution of 15 to 90 meters (about 50 to 300 feet), ASTER images Earth to map and monitor the changing surface of our planet. ASTER is one of five Earth-observing instruments launched Dec. 18, 1999, on Terra. The instrument was built by Japan's Ministry of Economy, Trade and Industry. A joint U.S./Japan science team is responsible for validation and calibration of the instrument and data products.
The broad spectral coverage and high spectral resolution of ASTER provides scientists in numerous disciplines with critical information for surface mapping and monitoring of dynamic conditions and temporal change. Example applications are: monitoring glacial advances and retreats; monitoring potentially active volcanoes; identifying crop stress; determining cloud morphology and physical properties; wetlands evaluation; thermal pollution monitoring; coral reef degradation; surface temperature mapping of soils and geology; and measuring surface heat balance.
The U.S. science team is located at NASA's Jet Propulsion Laboratory, Pasadena, Calif. The Terra mission is part of NASA's Science Mission Directorate, Washington, D.C.
More information about ASTER is available at http://asterweb.jpl.nasa.gov/.