Radionuclide fallout()~(137)Cs has been applied in soil erosion research by more and more researchers.However,confirmation of the()~(137)Cs background value was the premise and foundation of whether the results of soil erosion rates were correct or not,provided by using()~(137)Cs tracer technique.The current research results,including how to choose the()~(137)Cs reference sites,the()~(137)Cs reference inventory prediction model of global spatial distribution and the factors affecting the deposition of(()~(1...
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