Numerical Modelling of Pollutant Transport from a Pond to a Stream
The problem of transport of pollutants in groundwater flow from a polluted shallow pond to a natural stream is considered. A numerical model predicting changes in quality of ground water...
Control of Select Priority Pollutants in Stormwater
A simulation program to generate the runoff quantity and quality for each storm event over a 5 year period was written. Chemical loading rate data from highways was used. Runoff was considered...
The Effects of Long Term Withdrawals on the Mid and Lower Hawthorne Aquifers, Cape Coral, Florida
The paper reports on a study to assess the water resource availability of two artesian aquifers (the mid-Hawthorn and lower Hawthorn) in Cape Coral, Florida. The impacts of future withdrawal...
A Ground Water Flow Model for Protection of the Northwest Well Field, Dade County, Florida
A new study was initiated to determine the appropriate cone of depression for the Northwest Well Field and to develop land use restrictions within that area. A finite-difference ground...
The Microcomputer as an Intelligent Workstation in Large Scale Hydrologic Modeling
In an effort to improve the efficiency of the hydrologic modeling activities of the Maryland State Highway Administration (MSHA), a cooperative project between MSHA, the Federal Highway...
Advances in Selective Withdrawal
The authors present the results of recent selective withdrawal research in the form of a general mathematical description of this stratified flow phenomenon. A new description for boundary...
Statewide Hydrologic Data Base and Analysis System
The Wyoming Water Research Center (WWRC) at the University of Wyoming has developed, in cooperation with the Wyoming State Engineer's Office, a statewide Water Resources Data System (WRDS)...
Flow and Mixing Calculations for a Two-Dimensional Reservoir Water Quality Model
A two-dimensional reservoir water quality box model has been developed and applied to several Tennessee Valley Authority reservoirs including a mainstem reservoir that is fully mixed vertically,...
Stream Research at Coweeta Hydrologic Laboratory
Stream research at Coweeta Hydrologic Laboratory has been directed primarily towards an understanding of long-term responses to logging. Forest logging causes many changes in streams including...
Assessment of Sediment Problems in Peoria Lake, Illinois
Peoria Lake, located on the Illinois River in Illinois, is the deepest lake in the river valley. Since 1903, the lake has experienced approximately a 31% loss of original storage capacity...
Make-up and Blowdown of a Cooling Pond
A mathematical model was developed to simulate the operation of a recirculating cooling pond for a planned nuclear power plant in the Midwest. The objective of the pond operation is to...
Alternative Procedures for Investigating Failures
Failures of engineered structures continue to occur. This is despite rapid advances in engineering theory, new, more sophisticated methods of analysis, and streamlined techniques for preparing...
Failure Information Needs in Civil Engineering
If we are to learn from failures of engineered facilities, failure information must be in a useful form, and it must reach those who can effect improved practice. This paper discusses,...
Ensuring Quality Construction
This paper describes the US Army Corps of Engineers' efforts at procuring quality construction: 1) a three-phase approach (preparatory, initial, follow-up) was developed to...
Avoiding Disputes: The Construction Manager's View
Avoiding and minimizing contract disputes, from the construction manager's (CM) point of view, begins during the preliminary planning and design stages and continues throughout...
Construction Inspection?The Last Line of Defense
Construction inspection, or a quality assurance program, is typically the last line of defense in relation to claims for the constructed project. The quality assurance team should be a...
Development and Management Aspects of Irrigation and Drainage Systems
The 1985 Irrigation and Drainage Division Specialty Conference held in San Antonio, Texas on July 17-19, 1985 covered major topics on watershed management and water conveyance, drainage...
Environmental Engineering
The purpose of the annual Conference on environmental engineering is to pursue scientific knowledge and promote sound engineering judgement and practice in the solution of environmental...
Computer Management Concepts for Student Engineering
This paper presents many of the principles and concepts being taught to engineers of the future concerning their use of computer related activities. For example, from the cost/risk/benefit...
Particles, Pretreatment, and Performance in Water Filtration
Relationships among raw water quality, pretreatment facilities, and the design of packed bed filters are presented and applied. The particle size, particle concentration, particle surface...
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