For six weeks in Ontario, Canada, scientists and engineers lead a field campaign to study the science and mechanics of falling snow. The datasets retrieved will be used to generate algorithms which translate what the GPM Core satellite "sees" into precipitation rates, including that of falling snow. Ground validation science manager Walt Petersen gives a summary of the GCPEx field campaign. Field campaigns are critical in improving satellite observations and precipitation measurements. This video is public domain and can be downloaded at: ?http://svs.gsfc.nasa.gov/goto?10938 Like our videos? Subscribe to NASA's Goddard Shorts HD podcast: ?http://svs.gsfc.nasa.gov/vis/iTunes/f0004_index.html? Or find NASA Goddard Space Flight Center on facebook: ?http://www.facebook.com/NASA.GSFC? Or find us on Twitter: ?http://twitter.com/NASAGoddard?
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