Journal of Mountain Science

, Volume 9, Issue 1, pp 34–40 | Cite as

137Cs finger printing technique for erosion and sedimentation studies

Article

Abstract

137Cs is an artificial radionuclide with a half -life of 30.2 years, which was released into the environment as a byproduct of atmospheric testing of nuclear weapons during the period of 1950s to 1970s with a peak deposition in 1963. 137Cs fallout was strongly and rapidly adsorbed by soil particles when it deposited on the ground mostly with precipitation. Its following movements will associate with the adsorbed particles. 137Cs tracing technique has been widely used in soil erosion and sedimentation studies since 1980s. This paper introduces the basis of the technique and shows several case studies of assessment of soil erosion rates, investigation of sediment sources and dating of reservoir deposits by using the technique in the Loess Plateau and the Upper Yangtze River Basin.

Keywords

137Cs soil and sedimentation the Loess Plateau the Upper Yangtze River Basin 

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Copyright information

© Science Press, Institute of Mountain Hazards and Environment, CAS and Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Yi Long
    • 1
    • 2
  • Xinbao Zhang
    • 1
    • 2
    • 3
  • Anbang Wen
    • 1
    • 2
  • Xiubin He
    • 1
    • 2
  1. 1.Institute of Mountain Hazards and EnvironmentCASChengduChina
  2. 2.Key Laboratory of Mountain Environment Change and RegulationChengduChina
  3. 3.State Key Laboratory of Environmental Geochemistry, Institute of GeochemistryCASGuiyangChina

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