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  • Floodplain sediments can be dated precisely based on the change in anatomy of tree rings upon burial. In this paper, the AA. demonstrate that stems of the abundant shrub sandbar willow (Salix exigua) show a similar burial signature. They combined
  • deposition occurred by channel narrowing, with little change in elevation of the thalweg. After 1986 sediment deposition occurred by vertical aggradation.
  • 2005
  • The AA. describe how measurements of the cosmic-ray-produced radionuclides Be 10 and Al 26 in alluvial sediment can be used to develop a continuous record of erosion rate changes through time. The AA. illustrate the method, and evaluate its
  • 2005
  • of erosion rates over these 3 periods, to assess the effects of changes in soil conservation practices. The AA. introduce a model that accounts for time-dependent Cs 137 fallout, precipitation and soil cultivation.
  • 2005