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GPS helps measure rainfall, could help predict floods

by GPS4US 2013-12-05 13:52

University researchers in Germany may have found a way to measure rainfall across various locations.

The key is using GPS-equipped cars and measuring the speed of their windshield wipers. The experiment,
conducted by researchers at Leibniz University in Hanover, is useful because of the varied rainfall
across a region, and the vast distance between rain gauges. The information could be used to predict
flooding in certain areas.

Researchers ran the experiment by subjecting cars with different wiper systems to a rain simulator and
tracking their wiper intensity. They considered the effect of car speed on the readings, and conducted
tests manually and with automatic wipers. The idea is that even partial measurements in many areas
outweighs precise measurements in just a few areas.

Researchers at the Leibniz University of Hanover in Germany have come out with an initiative that uses
RainCars or GPS-equipped cars to measure rainfall across various locations.

The two-year project, called RainCars, is being funded by the German Research Foundation.

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