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In 2012 the Oxford research team started a trial in Kenya where hand pumps in 60 villages were fitted with data transmitters. The idea was they would monitor the motion of the pump and the amount of water extracted on an hourly basis - if the pump wasn't working, a message was sent to a repair company and workers were dispatched to fix the problem.
Now the scientists have found another way to interpret the data from the accelerometers fitted to the pump handles. They discovered that when the water is being drawn from a deep aquifer, it produces different vibrations than when the liquid comes from a shallow one.
"It's quite a simple and elegant solution to estimating groundwater and how it varies over time," co-author Dr Rob Hope from Oxford's School of Geography and the Environment told BBC News.
Farah E. Colchester et al, Accidental infrastructure for groundwater monitoring in Africa. Environmental Modelling & Software. http://www.sciencedirect.com/science/article/pii/S1364815216308325
(Score: -1, Spam) by Anonymous Coward on Monday February 27 2017, @09:15PM (1 child)
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(Score: 2, Informative) by butthurt on Tuesday February 28 2017, @12:13AM
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