Corte Madera Creek Flood Control Project, Unit 4, Town of Ross, Marin County, California PDF Download
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Author:
Publisher:
ISBN:
Category : Flood control
Languages : en
Pages : 176
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Book Description
Author:
Publisher:
ISBN:
Category : Flood control
Languages : en
Pages : 176
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Book Description
Author:
Publisher:
ISBN:
Category : Flood control
Languages : en
Pages : 114
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 104
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Book Description
Author: United States. Army. Corps of Engineers
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ISBN:
Category : Corte Madera Creek (Calif.)
Languages : en
Pages : 228
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Author:
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ISBN:
Category : Administrative law
Languages : en
Pages : 1452
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Author:
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ISBN:
Category : Administrative agencies
Languages : en
Pages : 82
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Book Description
Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Publisher:
ISBN:
Category : Federal aid to energy development
Languages : en
Pages : 1388
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Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
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ISBN:
Category : Energy development
Languages : en
Pages : 1150
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Book Description
Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Publisher:
ISBN:
Category : Energy development
Languages : en
Pages : 1150
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Author:
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Category :
Languages : en
Pages : 0
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Book Description
Sediment deposition occurs in the lower reaches of the concrete-lined Corte Madera Creek flood control channel because the elevation of the channel bottom is below sea level. These sediment deposits, combined with the presence of tube worms and barnacles on the channel walls, reduce the flood-carrying capacity of the channel. The upstream portion of the original flood control project was not completed and flood flows above 3,000 cfs are not contained in the natural channel upstream. Thus, there is reduced flow competency to carry the coarse sediment load delivered by flood flows. With annual maintenance and upstream containment of breakout flows, most of the sediment deposited in the concrete channel from seasonal antecedent flow can be washed out by the time the flood peak occurs. An HEC-6 numerical sedimentation model study was conducted to evaluate several alternative plans to provide flood containment and sediment storage while also maintaining the natural characteristics of the upstream channel.
