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Lake Shuwarang Chhat, Pakistan

June 27, 2022
NASA's Terra spacecraft shows the Hindu Kush Mtns. in northern Pakistan where landslides from the steep, glaciated terrain are common.

In the Hindu Kush Mtns. in northern Pakistan, landslides from the steep, glaciated terrain are common. When the landslides block rivers, they form temporary lakes or cause small lakes to grow larger. If the landslide dams fail catastrophically, an instantaneous flood surges down the narrow valley, endangering downstream villages. A good example is Lake Shuwarang Chhat, that is upstream of villages of Barsat, Tery, Bahach, and Hundarap. The perspective view data were acquired September23, 2019, and are located at 36 degrees north, 72.6 degrees east.

With its 14 spectral bands from the visible to the thermal infrared wavelength region and its high spatial resolution of about 50 to 300 feet (15 to 90 meters), 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 in Pasadena, Calif. The Terra mission is part of NASA's Science Mission Directorate, Washington.

More information about ASTER is available at http://asterweb.jpl.nasa.gov/.

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  • Earth
Spacecraft
  • Terra
Instrument
  • Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER)
Credit
NASA/METI/AIST/Japan Space Systems, and U.S./Japan ASTER Science Team

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