Self-Aerating Spillway Flow
The concept upon which most past analyses are based is that a continuum exists in aerated flow from 100 percent water, to air bubbles in water, to a water-air mixture, to an air-water...
Numerical Prediction of the Turbulent Flow with a Free Surface for 3-Dimensional Situation
An efficient finite-difference method, the HH-SIMPLE, has been developed that is based on a new concept of hydraulic pressure with two additional equations concerning the water surface...
Real-Time Water Control Plan for a Flood Control Reservoir
A reservoir operation plan is prepared for a single-purpose flood control reservoir. Real-time precipitation data recorded at the dam is utilized to control the reservoir gate operations....
Economic Trade-Off between Hydropower and Other Competing Water Uses: A Case of Coteau Creek Station
Using the Coteau Creek hydropower generating station in Saskatchewan as a case study, economic trade-offs between water used for hydropower generation, and irrigation and recreational...
Hydrometric Networks Serving Hydropower Needs
The Water Resources Branch is the national agency that collects, interprets and disseminates standardized surface water quantity and sediment data and information in Canada. The Branch...
Freeboard Allowances for Chute Spillways
Allowances must be made for the physical phenomena which cannot be modelled, such as wave action, air bulking, splash and spray; the simplifications of behaviour implicit in the calculations;...
Buffalo Bill Dam Modifications?Modification of an Existing Bureau of Reclamation Facility to Increase Power Generation
This paper describes a joint venture between the United States Bureau of Reclamation and the State of Wyoming to increase the storage capacity and power generation capacity of Buffalo...
Analysis of Unsteady Flows in Irrigation Canals Due to Load Rejection in Hydroelectric Project
An add-on hydroelectric project has been proposed for the Owyhee Tunnel No. 1, a component of the Owyhee Irrigation Project constructed in the 1930's by the U.S. Bureau of...
Water Use by Naturally Occurring Vegetation
An Annotated Bibliography
This report was prepared by the Task Committee on Water Requirements of Natural Vegetation Committee, a special subcommittee of the Committee on Irrigation Water Requirements, Irrigation...
Protection of Juvenile Anadromous Fish
Protection of juvenile anadromous fish (salmon, steelhead, etc. ) during their seaward migration is a major concern in the Pacific Northwest. The existing screening structures at the head...
Simulation of Irrigation and Reservoir Water Use
Computer simulation of irrigation water use and corresponding downstream reservoir operation has been developed for the Canyon Ferry Reservoir on the Missouri River in Southwestern Montana....
Summer Falls High Head Kaplan Turbine Project
The Summer Falls Project is located on the Main Canal of the Grand Coulee Irrigation Project approximately eight miles south of Coulee City in Grant County, Washington. The power development...
Irrigation-Induced Contamination Problems
At the Kesterson National Wildlife Refuge in the San Joaquin Valley of California, severe fish and wildlife problems (waterfowl mortality, embryonic deformities, and reproductive failures)...
Reservoir Safe Yield Evaluation Using Simulation
The safe yield available from surface water impoundments serving the City of Portsmouth, Virginia, was evaluated, and the sensitivity of the reservoir system to several factors was investigated....
Review of the Nation's Water Resources Infrastructure Needs
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Water Assurance Districts: A New Concept in Local Government
Society has long utilized local governmental units to implement numerous water management functions. This paper discusses a new and relatively unique local organizational structure now...
Computerized Bridge Coding for HEC-2 Applications on I.B.M. P.C.
A computer program for conversion of survey field notes directly into SB, BT, and GR cards with simultaneous cross-section plot is described. It was designed to simplify the coding of...
Virginia Case Studies of Risk Based Drainage Design
The goal of this paper is to apply a practical engineering risk-based method of design of pavement and surface drainage systems to three Virginia case studies. The target systems include...
Pipeline Rehabilitation with Polyolefin Pipe
This paper provides an introductory discussion on the rehabilitation of a deteriorated pipe structure by insertion renewal with continuous lengths of polyolefin pipe. This sliplining or...
Chemigation Backflow Prevention Assemblies
Chemigation with sprinkler irrigation systems is widely used throughout the United States. One potential environmental hazard of this practice is the point source water contamination due...
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