Irrigation Agriculture: Is it Sustainable?
Irrigation in (semi-) arid climates can be managed in such a way that it can be sustained indefinitely. Salination can be avoided by providing adequate drainage. Drainage, however, exacts...
Cokriging for Evaluating Agricultural Pollution
Subsurface drainage data from irrigated lands near Twin Falls, Idaho were used. Total Dissolved Solids and NO3-N were selected as variables. The...
Prediction of Overland Phosphorus Transport Using a Phosphorus Enrichment Ratio
The Guelph model to evaluate the effects of Agricultural Management Systems on Erosion, Sedimentation, and Phosphorus yield (GAMESP) of Rousseau et al. was used to calibrate the phosphorus...
Principles of Ground Water Strategy
The states are now preparing or adopting ground water strategies under EPA direction. State and federal initiatives are currently uncoordinated, and do not add up to a coherent program....
Approaches for Protecting Groundwater From Agricultural Threats
In general, major groundwater pollutants contributed from agricultural sources are nitrate-nitrogen from chemical and animal fertilizers and pesticides applied on farm products for pest,...
Formulating a Coastal Plain Water Quality Project
In 1988, the Soil Conservation Service in Delaware helped local sponsors prepare a detailed preauthorization planning report for water quality improvement in Indian River Bay watershed,...
Managing Water Table Management Systems for Water Quality
The purpose of this paper is to briefly summarize the results of water quality studies related to water table management conducted in North Carolina over the past 15 years. Results of...
Planning for Future Hydroelectric Power: A Myth?
The hydroelectric power industry in the U.S. is authorized and regulated by the Federal Government through the Federal Energy Retgulatory Commission (FERC) under the Federal Power Act....
Erosion and Sedimentation Research in ARS
The paper presents a brief history of the growth of the erosion and sedimentation research program in the Agricultural Research Service of the U.S. Department of Agriculture. Subjects...
Cold Regions Engineering
This volume contains papers that were presented at the 5th International Cold Regions Engineering Specialty Conference, sponsored by ASCE and held in St. Paul, Minnesota, February 6-8,...
The Battle Over Burning
Prendergast examined the strategy of integrated solid waste management as a potential solution to the U.S. garbage crisis, in particular the role of resource recovery. This strategy, which...
Groundwater Monitoring Network Design Using Coupled Monte Carlo Simulation and Optimization
This paper presents a method for the design, under uncertainty, of a groundwater well network for compliance monitoring at a waste disposal site. A numerical model of contaminant transport...
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...
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...
Two-Dimensional Inter-Rill Flow Model for the Analysis of Agricultural Runoff
This paper presents a model describing the flow field for the inter-rill component of agricultural runoff. Given rainfall intensity, surface roughness, rill spacing, and longitudinal and...
The Hydro Business: 1990 and Beyond
During the last ten years, hydroelectric generation received more and more attention as a source of reliable and economical electricity. Since the first WATERPOWER conference, the industry...
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,...
Evaluation of Hydro Facilities for Sale to Another Utility
STS Hydropower had been contacted by a major industrial client near one of the STS regional offices for the purpose of evaluating both the technical and financial status of several operating...
Turbine Runner Procurement for the Robert Moses Niagara Power Plant Upgrade
Procurement of the new runners involved the selection of two manufacturers who have entered into a design competition in which competing models will be tested in an independent hydraulic...
Environmental Engineering
The 1989 Specialty Conference on Environmental Engineering was held in Austin, Texas on July 10-12, 1989 with cooperation from the University of Texas at Austin Civil Engineering Department...
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