PIA17771: Tuolumne River Basin seen by NASA's Airborne Snow Observatory
 Target Name:  Earth
 Is a satellite of:  Sol (our sun)
 Mission:  Airborne Snow Observatory
 Product Size:  4000 x 3000 pixels (w x h)
 Produced By:  JPL
JPL News Release 2013-154
 Full-Res TIFF:  PIA17771.tif (36.01 MB)
 Full-Res JPEG:  PIA17771.jpg (1.478 MB)

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Mt. Dana and Dana Plateau in the Tuolumne River Basin within Yosemite National Park, Calif., as seen out the window of a Twin Otter aircraft carrying NASA's Airborne Snow Observatory on April 3, 2013. The patchy snow cover this early in the snowmelt season is a reflection of the poor snowfall in the Sierra Nevada this winter and spring. The Airborne Snow Observatory is producing comprehensive weekly maps of how much water this basin holds, data that will be used to estimate how much water will flow out of the basins when the snow melts. The watershed and its Hetch Hetchy Reservoir are the primary water supply for San Francisco.

For more information about the Airborne Snow Observatory, visit: http://aso.jpl.nasa.gov/. For more on NASA's Airborne Science program, visit: http://airbornescience.nasa.gov.

The California Institute of Technology in Pasadena manages JPL for NASA.

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