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Author: Leo R. Beard
Publisher:
ISBN:
Category : Flood forecasting
Languages : en
Pages : 32
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Author: Leo R. Beard
Publisher:
ISBN:
Category : Flood forecasting
Languages : en
Pages : 32
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Author: D. Michael Gee
Publisher:
ISBN:
Category : Erosion
Languages : en
Pages : 18
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Author: Richard J. Hayes
Publisher:
ISBN:
Category : Flood control
Languages : en
Pages : 14
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Book Description
This paper overviews the general features of computer program 'HEC-5, Simulation of Flood Control and Conservation Systems', with emphasis on the capabilities of the most recent release of HEC-5, Version 7.2, dated March 1991. HEC-5 can simulate the essential features and operation goals and constraints of simple or complex systems with simulation intervals ranging from minutes to one month. Single event flood analysis and period of record conservation analysis may be accomplished with the model. Flood control analysis includes balanced system operation for downstream damage centers with consideration of forecasted local flows and hydrologic routing. In addition, induced surcharge operation based on spillway gate regulation schedules can be simulated. Hydropower analysis may include run-of-river, peaking, and pumped storage plants as well as system power operation. Water supply simulation can include reservoir and downstream flow requirements in addition to divers ions and return flows. Water Quality analysis can include simulation of temperature, dissolved oxygen, up to three conservative and up to three nonconservative constituents. Computer Programs, Simulation, Reservoirs, Flood Control, Reservoir Yield, Hydroelectric Power, Water Supply, Water Quality.
Author: Robert C. MacArthur
Publisher:
ISBN:
Category : Sediment transport
Languages : en
Pages : 14
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This paper summarizes the procedures used for computing the basinwide annual yields and single event sediment production for ephemeral channels located on an incised alluvial fan in Central California. Unique geomorphic characteristics of the basin and alluvial fan are discussed in light of data and analytical methods necessary to compute sediment delivery and yield at a proposed dam site.
Author: D. Michael Gee
Publisher:
ISBN:
Category : Floodplain management
Languages : en
Pages : 14
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Book Description
A two-dimensional horizontal finite element numerical model (RMA-2) was applied to a 15 mile (24 km) river channel-floodplain reach in West Germany. Previous applications of such models have been restricted to much smaller scales. The results indicate that finite element schemes may successfully estimate river stage in large scale floodplain applications. Computed stage hydrographs compared well with observed data using loss coefficients within expected ranges. Two-dimensional flow models have been applied to certain classes of river channel problems. Applications have included detailed analyses of flow patterns near structures such as bridges and floodplains. In all these problems the scale of interest has been small, e.g. reaches of river a few river widths long. Many estuary studies have been done that were of large scale; some of these utilized a hybrid (numerical plus physical) modeling technique. In a review of the application of finite element methods to river channels, Samuels reported that the river channel was resolved separately from the floodplain in only two studies. Missing in previous work is attention to large scale floodplain modeling. The work reported in this paper focuses on the feasibility and accuracy of applying a two-dimensional flow model to a large floodplain. Traditional floodplain studies have used semi-empirical flow routing with steady, one-dimensional computation of water surface elevations to define inundated areas. Keywords: Army Corps of Engines. (kr).
Author: Arlen D. Feldman
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 22
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Author: Daniel H. Hoggan
Publisher:
ISBN:
Category : Monongahela River Watershed (W. Va. and Pa.)
Languages : en
Pages : 16
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Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 972
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Author: R. G. Willey
Publisher:
ISBN:
Category : Trinity River (Tex.)
Languages : en
Pages : 26
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Book Description
Several example applications of water quality models were discussed to provide background into the development of a comprehensive mathematical model capable of evaluating water quality conditions in any river-reservoir system. A need exists for a river-reservoir water quality model which can be continuously updated and maintained with the best available concepts. The 'Water Quality for River-Reservoir Systems' (WQRRS) model was developed by the Hydrologic Engineering Center (HEC) to meet these needs. The HEC continuously updates the WQRRS based on the advantages of water quality research work brought to their attention. (Author).
Author: Darryl W. Davis
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 50
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