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17 May 2011Turbidity sensor for determination of concentration, ash presence and particle diameter of sediment suspensions
The present work addresses the need for low-cost turbidity sensors felt in the context of an ongoing research project on
enhanced soil erosion following wildfire in Portugal. To this end, a system based on plastic optical fibre was developed
and tested, including against a commercially-available system. The performance of the sensor was tested using
artificially-created samples with a wide range of concentration of three types of very distinct materials, six particle size
classes of ashes and real runoff samples collected at the slope and catchment scale in a recently burned area.
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L. Bilro, S. Prats, J. L. Pinto, J. J. Keizer, R. N. Nogueira, "Turbidity sensor for determination of concentration, ash presence and particle diameter of sediment suspensions," Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775356 (17 May 2011); https://doi.org/10.1117/12.885112