A system for dynamic measurements of hillslope runoff rate and sediment concentration was designed and developed. The sediment concentration is determined with γ rays attenuated by the sediments, while the runoff rate is quantified by the time interval for the water to move from the lower water level sensor to the upper one, in a given container. Laboratory experiments indicated that the system is stable, reliable, convenient to operate, and lower labour and time demands, with high measurement accuracy....
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