Effects of Resource Development on Water Quality in the Big South Fork National River and Recreation Area, Tennessee and Kentucky
The South Fork Cumberland River begins in Tennessee at the confluence of the New River and Clear Fork. Strip mining for coal in the New River basin has been ongoing for decades with little...

Nebraska's Shrinking Platte River Channel: Hydrologic Aspects and Implications
Biologists have proposed two hypotheses to explain recent channel narrowing and vegetative growth in flood plain habitat areas along the Platte River in Nebraska. One group contends, without...

Forecasting and Warning for Mt. St. Helens Streams
The eruption of Mt. St. Helens in southern Washington on May 18, 1980, created great devastation both by the blast itself and by mudflows generated by melting snow and ice. Several hydrologic...

Alternative Layouts for Hydro Headrace Tunnels
The recent development of tunnel boring machines capable of excavating hard rock at virtually any grade together with the Norwegian experience in compressed air surge tanks provides the...

Sedimentation in Small Hydropower Reservoirs
Small-scale hydropower projects, which usually include reservoirs of limited size, may inherently incorporate severe sedimentation problems. The ratio of reservoir volume to sediment inflow...

Research in Hydraulics at California Institute of Technology
Activities are centered in the W. M. Keck Laboratory of Hydraulics and Water Resources. Research projects active at the Laboratory reflect a continuing commitment to traditional areas...

Current Research in Hydraulics at the Corps of Engineers Waterways Experiment Station
Ongoing activities in hydraulics research at the U. S. Army Engineer Waterways Experiment Station are described. The various areas in which research is under way are enumerated. Activities...

Lifeline Earthquake Engineering
Performance, Design and Construction
Lifeline Earthquake Engineering: Performance, Design and Construction is a follow-up publication to the Technical Council on Lifeline Earthquake Engineering publication Advisory Notes...

Sedimentation Consolidation Models?Predictions and Validation
In very soft sediments, questions have arisen concerning the capability of standard computational techniques used to implement calculations. The problems mainly lie in the manner in which...

Light Rail Gains New Momentum
Light rail, which evolved from the old trolley lines, is staging a comeback in U.S. cities. Light rail is a fixed guideway, operator controlled system, offering an alternative to heavy...

Building on Air
Copley Place, a $500 million hotel/retail/office/residential complex, was built on air rights over the Massachusetts Turnpike and an adjacent railroad in Boston. Two hotels occupy land...

Highway Capacity Manual Revisited
The forthcoming third edition of this manual of highway and traffic engineering, due in 1985, will significantly change how highway capacity is analyzed. Of the edition's...

Asphalt: Great Expectations
A $50 million, five year research program has been proposed for research into asphalt as part of the larger ($150 million) Strategic Transportation Research Study (STRS). The research...

Dredging and Dredged Material Disposal
Waterborne commerce is a major factor in the economy of many countries. Because waterborne commerce depends on the ability of nations to provide adequate navigation channels to transport...

Calendar: A 1985 Calendar of Bridge Photographs
Featured bridges are: Golden Gate Bridge (CA); Richmond . San Rafael Bridge (CA); Market Street Bridge (PA); Alsea Bay Bridge (OR); Longview Bridge (WA); Tyrone Bridge (KY); Newport Bridge...

Infrastructure Crisis: What the Media Are Saying
In the past year and a half the national media have performed the major role in spreading the word that the nation's public works, particularly in urban areas, have been neglected...

Measurement of Hydrographic Parameters in Large Sand-Bed Streams from Boats
This report concentrates on the state-of-the-art in the field documentation of the existing channel geometry, plus the concurrent stream flow and sediment transport characteristics, prevailing...

Computers: The Ins and Outs of the Purchasing Contract
When purchasing computers and computer graphic systems there are 13 areas in the purchasing contract that should be investigated. These include the agreement, specification, dates, inspection,...

Arizona's Statewide Pavement Management System
A pavement management system developed for Arizon's 7400-mile network of highways has resulted in a savings of $14 million in its first year and a forecast savings of $101...

Ports 83
The Ports '83 Specialty Conference, whose theme is Modernization, Upgrading and Repairs, covers considerations in port operations, design and construction due to obsolescence...

 

 

 

 

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