Santa Ana River Sediment-hydraulic Study PDF Download
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Author: Tahereh Amirani
Publisher:
ISBN:
Category : Flood control
Languages : en
Pages : 256
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Book Description
Author: Tahereh Amirani
Publisher:
ISBN:
Category : Flood control
Languages : en
Pages : 256
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Book Description
Author: Jackson H. Ables
Publisher:
ISBN:
Category : Flood control
Languages : en
Pages : 82
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Book Description
Author: Carl G. Kroll
Publisher:
ISBN:
Category : Santa Ana River (Calif.)
Languages : en
Pages : 28
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Book Description
Author:
Publisher:
ISBN:
Category : Coast changes
Languages : en
Pages : 96
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 336
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Book Description
The lower basin of the Santa Ana River is located in Orange County, California, and is 30.5 miles in length. Flood protection for the lower basin is provided by prado Dam and Reservoir. When completed in 1941, Prado Dam was designed to control a 200-year flood. However, recent projections have shown that Prado Dam now offers only a 70-year flood protection based upon the following factors: urbanization in the drainage area, additional historical data on rainfall and runoff, and advances in predicting future flood potential. According to Santa Ana River hydraulic studies, the existing lower basin channel is inadequate to convey a large flood flow safely to the ocean. Existing flood control improvements built by local interests have reduced damages from small floods. As part of these channel improvements there are 11 existing vertical concrete drop structures. However, these improvements fail to provide protection for the highly urbanized lower Santa Ana river floodplain. About 2 million people live and work in this floodplain. Since additional channel right-of-way is not available because of urbanization, increased channel capacity can only be achieved by additional depth of flow. The increased channel flow will require drop structures designed for higher unit discharges. An improved channel design will require the removal or modification of the existing drop structures in order to implement a new drop structure configuration.
Author: John F. George
Publisher:
ISBN:
Category : Hydraulic models
Languages : en
Pages : 340
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 842
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Author: Jackson H. Ables
Publisher:
ISBN:
Category : Flood control
Languages : en
Pages : 71
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Book Description
The Lytle and Warm Creeks and Santa Ana River project will provide another important unit under the general comprehensive plan for flood control in San Bernardino County, California. The proposed plan for containing the flood flows will consist of raising levees, excavating streambeds, and constructing grade control structures, energy dissipators, bridges, and several thousand feet of high-velocity concrete channel. The investigation was conducted on a 1:60-scale model that reproduced approximately 10,000 ft of the Santa Ana River, 600 ft of East Twin Creek, and 5300 ft of Warm Creek. The existing and proposed bridges, concrete channels, and natural streambed channels with revetted slopes were also reproduced in the model. Tests were concerned with flow conditions, water-surface elevations, rip-rap stability, and sediment transport at the grade control structures, bridges, confluences, and energy dissipators.
Author: M. Gamal Mostafa
Publisher:
ISBN:
Category : Flood control
Languages : en
Pages :
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Author: United States Engineers Corps (Army).
Publisher:
ISBN:
Category :
Languages : en
Pages : 290
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Book Description
