New Way to Measure Sierra Snowpack — By Airplane
From the San Francisco Chronicle:
“The humans who brave frosty Sierra winters to measure the annual snowpack may be far from obsolete, but a high-altitude aircraft appears to have done them better.
“Flying at 22,000 feet above the High Sierra’s Tuolumne River watershed last spring, an instrumented NASA plane revealed the depth of the winter snowpack and estimated its water content across hundreds of square miles.”
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