Using 10 Be and 26 Al to determine sediment generation rates and identify sediment source areas in an arid region drainage basin

@inproceedings{Clapp2002Using1B,
  title={Using 10 Be and 26 Al to determine sediment generation rates and identify sediment source areas in an arid region drainage basin},
  author={Erik M. Clapp and Paul Bierman and M W Caffee},
  year={2002}
}
We measured Be and Al in 64 sediment and bedrock samples collected throughout the arid, 187 km Yuma Wash drainage basin, southwestern Arizona. From the measurements, we determine long-term, time-integrated rates of upland sediment generation (81F 5 g m 2 year ) and bedrock equivalent lowering (30F 2 m Ma ) consistent with other estimates for regions of similar climate, lithology, and topography. In a small (f 8 km), upland sub-basin, differences in nuclide concentrations between bedrock… CONTINUE READING
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