13 Spatial Variation in Armouring in a Channel with High Sediment Supply

@inproceedings{Lisle200113SV,
  title={13 Spatial Variation in Armouring in a Channel with High Sediment Supply},
  author={Thomas E. Lisle and M A Madej},
  year={2001}
}
Recent advances in our understanding of the origin and function of armouring in gravel-bed rivers have not addressed the role of non-uniformity and unsteadiness of flow. These flow attributes have important influences on both the surface and subsurface bed material size distributions which are observed at low flow, from which we commonly make inferences concerning bedload transport at high flow. Bed armouring, measured as the ratio of surface to subsurface bed material grain size, is highly… CONTINUE READING
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