Channel‐planform evolution in four rivers of Olympic National Park, Washington, USA: the roles of physical drivers and trophic cascades

@article{East2017ChannelplanformEI,
  title={Channel‐planform evolution in four rivers of Olympic National Park, Washington, USA: the roles of physical drivers and trophic cascades},
  author={Amy E. East and Kurt J. Jenkins and Patricia J. Happe and Jennifer A. Bountry and Timothy J. Beechie and Mark C. Mastin and Joel B. Sankey and Timothy J. Randle},
  journal={Earth Surface Processes and Landforms},
  year={2017},
  volume={42},
  pages={1011–1032}
}
Identifying the relative contributions of physical and ecological processes to channel evolution remains a substantial challenge in fluvial geomorphology. We use a 74-year aerial photographic record of the Hoh, Queets, Quinault, and Elwha Rivers, Olympic National Park, Washington, USA, to investigate whether physical or trophic-cascade-driven ecological factors – excessive elk impacts after wolves were extirpated a century ago – are the dominant drivers of channel planform in these gravel-bed… CONTINUE READING

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