Understanding the role of sediment waves and channel conditions over time and space

Thomas E. Lisle

Treesearch

Understanding the role of sediment waves and channel conditions over time and space

Informally Refereed

Authors:

Thomas E. Lisle

Year:

1997

Type:

Miscellaneous Publication

Station:

Pacific Southwest Research Station

Source:

In: Sari Sommarstrom (ed). What is watershed stability? Proceedings, Sixth Biennial Watershed Management Conference. 23-25 October 1996 Lake Tahoe, California/Nevada. University of California, Water Resources Center Report No. 92, Davis, California. p. 57-67.

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Abstract

Abstract - Dynamic equilibrium in stream channels has traditionally been applied on the reach scale, where fluxes of water and sediment into a reach result in rapid but minor adjustments of channel dimensions, hydraulics or roughness (equilibrium), or aggradation and degradation (disequilibrium). Such an essentially one-dimensional spatial approach to sediment-channel interactions implicitly avoids a long standing and difficult problem: how do large inputs of sediment travel through channel systems and thereby distribute the fluxes to which channels respond at any time scale?

Keywords

PSW4351, channel conditions, sediment movement, dynamic equilibrium

Citation

Lisle, Thomas E. 1997. Understanding the role of sediment waves and channel conditions over time and space. In: Sari Sommarstrom (ed). What is watershed stability? Proceedings, Sixth Biennial Watershed Management Conference. 23-25 October 1996 Lake Tahoe, California/Nevada. University of California, Water Resources Center Report No. 92, Davis, California. p. 57-67.