A Real-time Approach to Groundwater Monitoring, Prediction, and Remediation
This paper outlines a integrated approach to the problem of predicting and controlling groundwater contamination. The key to this approach is to derive contaminant predictions by combining...
Validation and Intercomparison of Three-Dimensional Numerical Models of Estuarine and Lake Hydrodynamics
Three-dimensional numerical models have been developed and used to study the circulation and transport of water quality parameters in estuaries and lakes. This paper discusses two important...
Application of Hydrodynamic and Water Quality Models at a Superfund Site in Montana
The water quality model applied to the site is the EPA-supported hydrodynamic and water quality model WASP4 with a modification to enable it to better simulate riverine systems. To provide...
The Colorado River Simulation System
The Colorado River Simulation System (CRSS) is a comprehensive computer tool designed to assist water resource managers in long-range planning and management of the Colorado River Basin....
Prediction Using Geostatistics and Mathematical Models
This paper discusses a new interpretation of geostatistical estimation and presents some thoughts on the meaning of probabilities in geostatistics and the role of mathematical models of...
Stochastic Modeling of Groundwater Contamination?A Distributed Parameter Kalman Filtering Approach
Stochastic methods are applied to the analysis and prediction of large scale solute transport in saturated heterogeneous porous media. An extended distributed parameter Kalman Filter which...
Geostatistical Global Estimates and Sampling Design
In the environmental assessment of a contaminated site, several different evaluation criteria could be considered such as: estimation of the overall average contaminant concentration in...
Geostatistics in Estimating Chemical Residuals at a Site
Kriging with generalized covariances is used to evaluate the effectiveness of remediation and cleaning of a contaminated site. The goal is to estimate: a) the amount of total volatile...
Borden Field Data and Multivariate Geostatistics
A large-scale field experiment on natural gradient transport of solutes in groundwater was conducted in an unconfined sand aquifer in Borden, Ontario by extensive monitoring after the...
Two Case Studies of Stochastic Identification of Aquifer Hydraulic Parameters and Natural Recharge
A method to identify aquifer transmissivity, storativity and natural recharge (inverse modeling), based on a geostatistical approach is presented. The basic assumptions of the method are...
Calibrating a 2-D Fate and Transport Model of Watts Bar Reservoir
A branched two-dimensional water quality model has been developed and tested for the Watts Bar Reservoir, including the Clinch River and Emory River embayments. The general stratified...
Effectiveness of Wet Detention and Retention Ponds for Improving Stormwater Quality
The most commonly used structural measures for stormwater quality management and control are retention basins, wet detention ponds, and detention with filtration ponds. This paper explores...
Utilization of Expert Systems for the Operation of Reservoir Systems
This paper illustrates how knowledge-based expert systems can obtain, organize, document, store, and utilize valuable complex reservoir systems experience, obtained by experienced water...
Localized Mixing for Improvement of Hydropower Releases from J. Percy Priest Reservoir
The J. Percy Priest Project, located on the Stones River near Nashville, TN, experienced low dissolved oxygen (DO) in the tailwaters during hydropower generation. Using commercially available...
Flushing Flow Analysis Concepts
Many environmentally oriented groups who oppose water resources projects, have conceived various types of flow requirements to supposedly meet a variety of biological purposes in rivers....
World Class Manufacturing and Hydro-Electric Production
Operations, maintenance, and administration and support services can benefit from the concepts of World Class Manufacturing. Cellular organizational concepts whether its machines, people,...
Licensing the Moose River Hydroelectric Project
This paper describes environmental considerations in the licensing and permitting of the Moose River Hydroelectric Project, a 12.2 MW development in Central New York State. It illustrates...
Utility Options for Meeting Dissolved Oxygen Limits for Hydroelectric Power Plant Discharges
Due to increased attention by regulating agencies to the dissolved oxygen levels of water released through hydroelectric power plants, the Electric Power Research Institute has developed...
Improvement of Dissolved Oxygen Levels at Shepaug Hydro Station
Discharge from Shepaug Dam in Connecticut fall below the state standard for dissolved oxygen in summer and early fall, because of thermal stratification of the upstream eutrophic reservoir....
Water Quality Studies for Hydro Licenses
Three case studies on the impact of hydro operation on dissolved oxygen concentration performed for hydro license applications are utilized in a discussion of water quality issues. A negative...
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