Accession Number : ADA310814

Title :   Use of Land Surface Erosion Techniques with Stream Channel Sedimentation Models.

Descriptive Note : Technical paper,

Corporate Author : HYDROLOGIC ENGINEERING CENTER DAVIS CA

Personal Author(s) : Gee, D. M. ; MacArthur, Robert C.

PDF Url : ADA310814

Report Date : MAR 1996

Pagination or Media Count : 15

Abstract : The objective of the paper is to present methods that can be used to estimate the quantity and gradation of sediment produced from a watershed. These values are necessary for mobile boundary hydraulic modeling and other sedimentation studies. These quantities are needed for designing flood control channels, estimating sediment deposition in reservoirs or navigation channels, and evaluating the sedimentation impacts of proposed projects or land use modifications. Considerable information is available for the estimation of sediment yield from a watershed. These methods use both empirical techniques and land surface erosion theory. The same is true for quantifying sediment transport and sorting processes in rivers. This paper focuses on procedures for using land surface erosion computations to develop the inflowing sediment load for a river sedimentation model, specifically, HEC-6.

Descriptors :   *EROSION, *SEDIMENT TRANSPORT, *WATERSHEDS, *CHANNELS(WATERWAYS), *FLOOD CONTROL, COMPUTATIONS, IMPACT, MODELS, MODIFICATION, THEORY, ESTIMATES, SURFACES, BOUNDARIES, DEPOSITION, NAVIGATION, MOBILE, YIELD, SORTING, RIVERS, HYDRAULICS, LAND USE, SEDIMENTS, LAND AREAS, SEDIMENTATION, STREAMS, RESERVOIRS.

Subject Categories : Hydrology, Limnology and Potamology
      Civil Engineering

Distribution Statement : APPROVED FOR PUBLIC RELEASE