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Seismic Evaluation of PG&E Concrete Dams
Seismic evaluation of PG&E concrete dams is an ongoing process. The seismic environment for the dams changes over time because more historical earthquake data is obtained, faults...

Statistical Analyses of Drilled Shaft and Embedded Pole Models
In recent years a significant effort has been made by the Electric Power Research Institute (EPRI) to develop new design models, to collect and summarize existing load test data and to...

Countering Terrorist Threats
Musacchio & Rozen assessed the risks and vulnerabilities to a possible terrorist attack of the data processing center of a large European bank. With the increasing use by terrorist...

GIS:Technology for Transportation
Geographic Information Systems show promise as important tools for transportation engineers. As computer hardware continues to become less expensive and more powerful, and as the software...

Computerized Dynamic Human Factors Mannequins Assess and Create Products and Environments for an Aging Population
A PC-based human factors symbol library helps make designs accessible to a broad populace. The system and research results described were developed in three phases. Knowing that in order...

An Integrated Network Laboratory for Undergraduate Data Acquisition and Data Processing
The University of Wyoming College of Engineering has recently installed an integrated laboratory of 10 networked personal computers for undergraduate student use. These machines have been...

POU/POE Devices: Availability, Performance, and Cost
In order to gather and summarize information and data on point of use/point of entry (POU/POE) devices, a committee was established by the Environmental Engineering Division of the American...

Modeling of Gaseous Emission from Landfills and Other Area Sources
Several dispersion models based on the Gaussian equation are evaluated to assess their relative utility in modeling emission dispersion from an area source, such as a landfill. The VAPOR...

Longterm Response of Lakes to Acidic Deposition
The longterm response of lakes in the northeastern United States to different levels of acidic deposition was predicted by using a lumped parameter hydrologic/biogeochemical model, the...

Computerized Data Processing, Displays and Groundwater Flow Analyses of the Stringfellow Hazardous Waste Site
Several types of data, maps, and figures were obtained from various sources involved in the investigations and monitoring at the site. This information was discretized, and a computerized...

Computer Automated Hydrologic Data Acquisition
A computer automated hydrologic data acquisition system has been developed to support field monitoring of rainfall, streamflow, groundwater and conductivity. The basic system involves...

A Multivariate Analysis of Stillwater Lakes, Nevada
Stillwater Lakes located in western Nevada has been experiencing an astounding number of fish and waterfowl deaths since August 1986. This problem is explored through a multivariate statistical...

Development of the Hydrology Criteria Manual for Harris County, Texas
The Harris County Flood Control District (HCFCD) was created in 1937 with the primary objectives of reducing potential damages from flooding in the Harris County area and of providing...

Hydrologic Methodology for Evaluating Urban Development
It is recommended that a hydrologic methodology be utilized that contains sufficient parameters to enable the user to evaluate the impact of the changes to the watershed resulting from...

Drought in Tennessee: Implications on Irrigation System Capacity
Recent droughts in Tennessee have led to a study of the required irrigation system capacity for the state. Data from 1951 through 1988 were analyzed for probabilities of precipitation...

Agricultural, Meteorologic, and Hydrologic Drought Relations: Applications to Irrigation and Water Supply Planning
Meteorologic and hydrologic factors can combine to significantly reduce crop yields, leading to an agricultural drought. Agricultural and hydrologic droughts affect a large segment of...

The Water Erosion Prediction Project: Model Overview
A new generation of water erosion prediction technology is being developed by the USDA Water Erosion Prediction Project (WEPP). The WEPP models are a new erosion prediction technology...

Drought Investigations by the Use of Maximum Daily Temperatures
By the use of maximum daily temperature data, drought events can be defined by taking a certain truncation level to form the partial drought duration series. A drought series representing...

Instream Flows for Recreational and Aesthetic Resources
Methods for assessing impacts of instream flow changes on recreation and aesthetics are presented. Impacts to recreation can be predicted by quantifying recreational use, predicting impacts...

Hydrologic Criteria: NPS Water Quality Assessment
This paper summarizes the authors deliberations and findings regarding selection of hydrologic conditions suitable for the evaluation of the water quality impacts of nonpoint sources (NPSs)...

 

 

 

 

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