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Nebraska's Shrinking Platte River Channel: Hydrologic Aspects and Implications

by Gary L. Lewis, Henningson, Durham & Richardson, Inc, Omaha, NE, USA,



Document Type: Proceeding Paper

Part of: Water for Resource Development

Abstract:

Biologists have proposed two hypotheses to explain recent channel narrowing and vegetative growth in flood plain habitat areas along the Platte River in Nebraska. One group contends, without supporting data, that flow reductions caused sediment transport changes, followed by vegetative encroachment into areas no longer being maintained by scouring action. Others have hypothesized a linkage between the vegetative growth and changes from intermittent to perennial conditions. Hydrologic evidence is presented refuting the former and supporting the latter hypothesis. 4 refs.

Subject Headings: Vegetation | Sediment transport | Streamflow | Scour | Hydrology | Hydrologic properties | Channels (waterway) | Nebraska | United States

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