An attempt was made to use gamma ray transmission method to measure sediment concentration in runoff. Two types of soils (silt loess and clay loess), three increments of sediment concentration (3%, 5% and 10%) and 3 sampling periods (6 s, 10 s, 20 s) were adopted for sediment measuring experiments, so as to validate the feasibilities of measuring sediment concentration with gamma ray method and to determine the response of measured sediment concentration to different conditions. The theoretical algorithm wa...
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