Floating device monitors flood risk and river pollutants

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A team of engineers at Queensland University of Technology (QUT) have developed a low-cost, portable gauging station called ‘Drifter’. Housed in PVP piping that is deployable by hand or helicopter, the Drifter measures water flow, height and sediment flux. They are specially weighted, floating only 1 to 2 centimeters above surface level to ensure they are carried by current not wind. The Drifter’s creation was inspired by the devastation caused by the 2011 Brisbane floods. Its units – each costing 100 USD – are equipped with Bluetooth and GPS. In addition, it also transmits high-resolution, real-time data to an external computer.…

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