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Derived from the Science on a Sphere film entitled "Water Falls," this short (2:50) video presents basic information on the percentage, allocation, and distribution of Earth's usable water.
The Global Precipitation Mission (GPM) collects rain, snow and other precipitation data worldwide every three hours. This short (4:17 minute) video introduces learners to the role of GPM and it's partner satellites in gathering precipitation data... (View More) and the role of Goddard's Precipitation Processing System (PPS) in compiling that data into unified global data sets. (View Less)
This short video (~2 minutes) explains how a raindrop falls through the atmosphere and why a more accurate look at raindrops can improve estimates of global precipitation. This information is important to scientists working on the Global... (View More) Precipitation Measurement (GPM) mission - understanding the micro world of raindrops provides insight to scientists about the macro world of storms. (View Less)