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Hydraulic Desiltation for Noncohesive Sediment
Sedimentation reduces the useful life of a reservoir. The physical processes of flushing sediment are not well-understood. Flushing processes can be classified into two categories: local...

Disaster Reduction in Dam and Reservoir Design
Disaster reduction for small- and medium-sized reservoir projects is considered for two specific types of dam failure: 1) during extremely high floods, and 2) when severe reservoir silting...

Federal Levee Effects on Flood Heights Near St. Louis
A physical model of the Middle Mississippi River was used to perform quantitative analyses of Federal levee effects on flood heights. Contrary to some opinions of the general public, these...

Modeling the Operation of a Water Quality Reservoir and its Effect on the Sacramento-San Joaquin Delta
The methodology used to model the operation of a 100,000 acre-feet (123 million cubic meter) water quality reservoir in Contra Costa County, California is described. Planning studies integrated...

Simulation of River Bed Evolution Below Tsengwen Reservoir in Taiwan
An uncoupled, one-dimensional river model, capable of simulating bed evolution, hydraulic sorting and armoring under unsteady flow conditions is presented in this paper. This unsteady...

Observations of Artificial Destratification
Artificial destratification using bubble plumes is one means whereby low dissolved oxygen in the hypolimnion of lakes and reservoirs may be averted. Temperature and DO were measured at...

The Flushing Flow Problem on the Trinity River, CA
Flushing flows are high flow releases designed to remove fine sediment accumulated in river gravels downstream of reservoirs. These releases must be designed to maximize transport of sand-sized...

Hydraulic Aspects of a Low-Velocity, Inclined Fish Screen
The Potter Valley Hydroelectric Project diverts up to 310 cfs from Van Arsdale Reservoir on the Eel River in north-central California and delivers it to Potter Valley for power production...

Development of Enhanced Tools for the Integrated Analysis of Reservoir and Power System Operations
The Tennessee Valley Authority (TVA) and the Electric Power Research Institute (EPRI) have initiated a collaborative project - the INTEGRAL Project - to develop improved tools for coordinating...

Sediment Deposition in Jennings Randolph Reservoir, Maryland and West Virginia
The watershed of the Jennings Randolph Reservoir covers 263 square miles of mountainous terrain in western Maryland and West Virginia. Sedimentation studies performed prior to impoundment...

Integration of Environmental Management with Reservoir and Power System Operations
Two examples related to the Tennessee Valley Authority's reservoir and power systems operation with environmental performance and management as major goals are given in this paper. One...

Assessing the True Value of Flood Control Reservoirs: The Experience of Folsom Dam in the February 1986 Flood
Over the last 40 years considerable public investments have been made in large flood control storage reservoirs throughout the U.S. and internationally. These projects were typically designed...

Selective Withdrawal for Reducing Turbid Water in a Reservoir
This paper deals with improvemental operations of the selective withdrawal facilities as one of the comprehensive technics for shortening the turbid water stay after floods flown into...

The Seattle Forecast Model: A Tool for Water Resources Management in the Seattle Area
The Seattle Forecast Model, SEAFM, developed by Hydrocomp Inc. for the Seattle Water Department, is an interactive, graphic system for streamflow forecasting and reservoir analysis of...

Hydraulic Performance of a Flexible Curtain Used for Selective Withdrawal ? A Physical Model and Prototype Comparison
Reclamation (U.S. Bureau of Reclamation) studied a 1:120 scale undistorted density stratified physical model to develop a lightweight flexible curtain barrier that would control the outflow...

A Flexible Curtain Structure for Control of Vertical Reservoir Mixing Generated by Plunging Inflows
To maintain salmon habitat in the Sacramento River, efforts are being made to pass cold water inflows through Whiskeytown Reservoir, California, with minimal warming. In Whiskeytown, summer...

Waterpower '93
This proceedings contains the papers presented at the Waterpower '93 conference held in Nashville, Tennessee, August 10-13, 1993. The conference brought together owners, planners,...

Behavior of Urugua-I Dam
URUGUA-I with its 76 m height is one of the higher lean roller compacted concrete dams. The project includes some outstanding features like the very low cement content and a PVC membrane...

Aspects of Parallel Processing in Reservoir Simulation
Vectorization techniques have proved to be extremely effective for large-scale reservoir simulations. Parallel capabilities hold even greater potential for these enormous problems. Domain...

Landslide-Generated Waves in Reservoirs
This paper investigates surge waves generated by landslides in reservoirs. The Navier-Stokes equations with complete viscous conditions at the free surface are solved numerically for the...

 

 

 

 

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