Chapter
Apr 26, 2012
Numerical Model of Channel Meandering in the Middle Sacramento River
Authors: Jianchun Huang, Ph.D. ([email protected]), David R. Varyu, and Blair P. Greimann, Ph.D.Author Affiliations
Publication: World Environmental and Water Resources Congress 2009: Great Rivers
Abstract
SRH-Meander was used to predict the channel migration in the Middle Sacramento River. SRH-Meander is a model developed in the Technical Service Center, Bureau of Reclamation to simulate the bed topography, flow field, and bank erosion rate in a curved channel with an erodible bed. The study area extends 101 miles from Red Bluff (RM 243) to Colusa (RM 142). The model was first calibrated by comparing the simulated channel alignment to the actual channel alignments for the period from 1976 to 1999. The erosion coefficients and the cutoff ratio were adjusted during the calibration. The calibrated model was used to predict the channel alignment in 2019 starting from the channel alignment in 1999. The terrain elevation was updated by tracking the erosion or deposition in the channel and by exchanging information between the 1D channel and 2D terrain.
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Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Alignment
- Calibration
- Channels (waterway)
- Design (by type)
- Engineering fundamentals
- Erosion
- Geography
- Geology
- Geomatics
- Geometrics
- Geotechnical engineering
- Highway and road design
- Hydraulic engineering
- Hydraulic structures
- Meandering rivers and streams
- Measurement (by type)
- Models (by type)
- Numerical models
- River engineering
- Rivers and streams
- Simulation models
- Terrain
- Water and water resources
- Waterways
Authors
Affiliations
P.E.
Sedimentation and River Hydraulics Group, Technical Service Center, Bureau of Reclamation, Denver, CO 80225 USA. E-mail: ([email protected])
David R. Varyu
Sedimentation and River Hydraulics Group, Technical Service Center, Bureau of Reclamation, Denver, CO 80225 USA
Blair P. Greimann, Ph.D.
P.E.
Sedimentation and River Hydraulics Group, Technical Service Center, Bureau of Reclamation, Denver, CO 80225 USA
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