Field Measurements of Incision Rates Following Bedrock Exposure : Implications for Process Controls on the Long-Profiles of Valleys cut by Rivers and Debris Flows ( running title : Field Measurements of Incision Rates ... ” )

@inproceedings{Stock2004FieldMO,
  title={Field Measurements of Incision Rates Following Bedrock Exposure : Implications for Process Controls on the Long-Profiles of Valleys cut by Rivers and Debris Flows ( running title : Field Measurements of Incision Rates ... ” )},
  author={Jonathan D. Stock and David R. Montgomery and Brian D Collins and William Eric Dietrich},
  year={2004}
}
Until recently, published rates of bedrock valley incision came from indirect dating of incised surfaces. A small but growing literature based on direct measurement, however, reports short-term bedrock lowering at geologically unsustainable rates. We report observations of bedrock lowering from erosion pins monitored over 1 7 years in 10 valleys that cut indurated volcanic and sedimentary rocks in Washington, Oregon, California and Taiwan. Most of these channels have recently been stripped of… CONTINUE READING

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