Transport of bedload sediment and channel morphology of a southeast Alaska stream
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Transport of bedload sediment and channel morphology of a southeast Alaska stream

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Published by U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station in [Portland, Or.] .
Written in English

Subjects:

  • Bed load -- Alaska -- Measurement.,
  • Sediment transport -- Alaska.,
  • Stream measurements -- Alaska.

Book details:

Edition Notes

StatementMargaret A. Estep and Robert L. Beschta.
SeriesResearch note PNW -- 430.
ContributionsBeschta, Robert L., Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
The Physical Object
Pagination15 p. :
Number of Pages15
ID Numbers
Open LibraryOL17671161M

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The bedload transport rate is obtained by taking expressions for the variation with height (z) of the velocity (U) and sediment volume concentration (C) within the sheet-flow layer of thickness S, multiplying them together to form a sediment flux profile (UC) and integrating this vertically through the sheet-flow tomsseweranddrainserviceoh.com is illustrated in Fig. tomsseweranddrainserviceoh.com by: Estep, M.A., and Beschta, R.L. Transport of bedload sediment and channel morphology of a southeast Alaska stream. Research Note PNW USDA Forest Service, Pacific Northwest Forest and Range Experiment Station. 15pp. Google ScholarCited by: 4. Bedload transport in managed steep-gradient head water streams of southern Alaska and rough and structured stream beds with step and pool morphology. In-channel sediment transport was. This paper reviews sediment transport and channel morphology in small, forested streams in the Pacific Northwest region of North America to assess current knowledge of channel stability and.

This paper reviews sediment transport and channel morphology in small, forested streams in the Pacific Northwest region of North America to assess current knowledge of channel stability and morphology relevant to riparian management practices around small tomsseweranddrainserviceoh.com by: stream siltation was the most important factor causing water quality impairment and adversely affecting fishery habi-tats in streams. Various best management practices, such as reforestation and slope stabilization, are typically employed to reduce sediment input into streams and thus minimize the adverse effects of fine sediment on stream ecology. The general relationship between channel morphology and the grain size of sediment in the channel bed is an impor-tant but poorly known aspect of alluvial rivers. An analysis of an equation for total sediment flux in the limits of suspension-, bedload-, and mixed-modes of transport indicates distinct, steady-state regimes of channel morphology. CATENA Vol. 10, Braunschweig EVIDENCE FOR TRANSPORT OF BEDLOAD IN WAVES: ANALYSIS OF FLUVIAL SEDIMENT SAMPLES IN A SMALL UPLAND STREAM CHANNEL J. Lekach & A.P. Schick, Jerusalem SUMMARY Data pertaining to the transport of fluvial sediment sampled in detail during a five hour long event in a small upland stream channel in the extremely arid Southern Cited by:

Application of sediment transport concepts: Stream response to increased fines input There are many reasons why sand supply to a gravel-bed river might be increased fire, urbanization, reservoir flushing, dam removal What is the effect on transport rates? Channel dynamics? Stream ecology? 7. morphology, channel units, and channel classification. Finally, slope channel interactions and disturbance are considered, with some emphasis on timber har-vesting and roads. SEDIMENT TRANSPORT Much research has been conducted into sediment transport processes and sediment transport rate pre-diction in rivers, mostly in relatively large rivers. This report and associated web site files provide sediment transport and related data for coarse-bed streams and rivers to potential users. Information on bedload and suspended sediment transport, streamflow, channel geometry, channel bed material, floodplain material, and large particle transport is provided for 33 study reachesCited by: Based on the author's many years of research, teaching, engineering and consulting experience, this book presents a balanced and in-depth treatment of the sediment transport theory and its application to solving river engineering and environmental problems.