Special Canada-U.S. Workshop/Panel
Panel members with hands-on-experience in estuarine planning and management are drawn from British Columbia, Washington, Oregon and California. They highlight those factors which they...

Little River: An Investigation of Coastal Environment
Little River is located about 6. 5 kilometres north of Comox on the east side of Vancouver Island. The last major flood in February of 1983 resulted in the river breaking through the beach...

Case Studies—Semi-Closed Pipeline Systems, Orange Cove and Solano Irrigation Districts
The Harris Float Valve is a simple mechanically leveraged valve connected to a float, which activates the valve with the rise and fall of the water surface on the down stream side of the...

Case Study—Open Pipeline System, Coachella Valley Water District
A supervisory canal control system installation was started in 1966, seventeen years after start up, and a major upgrading was completed in 1983. The canal delivery system now has a central...

Yakima-Tieton Irrigation District Rehabilitation Program
The Yakima-Tieton Irrigation District obtained funding from the U. S. Bureau of Reclamation and the State of Washington to replace an open canal and lateral irrigation delivery system...

Irrigation District Management—Past, Present and Future
This paper reviews the significant changes in the policies and procedures followed by agencies formed to deliver irrigation water in the western United States generally and California...

Farmer Adoption of Irrigation Automation
Farmer acceptance of irrigation automation for water conservation in the eleven Western states is limited. About 29,000 acres, or 0. 1 percent, of the 25 million acres irrigated in these...

Investigation of Main Supply Canal and Lateral Fluctuations
The Imperial Irrigation District and the U. S. Water Conservation Laboratory of Phoenix, Arizona are conducting a joint project to study the causes and effects of water level fluctuations...

Wind Buffeting of Cable-Stayed Bridges During Construction
Some of the dominant loadings on a cable-stayed bridge during construction are a result of the non-uniform vertical and horizontal gust forces on the deck and the associated dynamic response...

Vancouver's Skytrain Cable-Stayed Bridge—Dynamic Behaviour
This paper focuses on the dynamic behaviour of the Skytrain cable-stayed bridge under the action of earthquakes and wind. The 340 m span railway bridge is located on the west coast of...

Paving with RCC
Roller compacted concrete pavement differs from the RCC used for dams. Since 1984, when the first full scale RCC pavement in the U.S. was installed by the Corps of Engineers at Ft. Hood,...

Making Parking Pay
This paper analyzes the financing opportunities and options for providing new downtown parking garages. It identifies the present financial posture of municipal parking agencies, analyzes...

Experimental Studies, Structural Design and Full-Scale Measurements for the Columbia Seafirst Center
The Columbia Seafirst Center is a 76-story office tower located in downtown Seattle, Washington. It rises to a height of about 940 feet above ground and is the world's 10th...

Reshaping Providence
By moving railroad tracks, river banks and several roadways, Providence, Rhode Island is reclaiming some 45 acres in its downtown and capital districts. This public works package is the...

Design and Construction of Marine Facilities for Ridley Island Coal Terminal
The design and construction of the wharf for 250,000 DWT bulk carriers is discussed in this paper. The terminal project was carried out on fast-track, 23 month schedule, with construction...

Use of Piezometer Cone Data
The piezometer cone is generally regarded as the most efficient tool for stratigraphic logging of soft soils. A thin pore pressure element (5 mm thick) can sense layers a few centimeters...

Transferring Conserved Water
The proposal to transfer water salvaged by water conservation programs from one area to another is a new concept. Imperial Irrigation District (District), located in the southeast portion...

Implications of Nitrogen Transport by the Okanagan River
The long-term mean of total nitrogen load estimated in the river channel above the inlet to Skaha Lake is 906 lb day** minus **1. The apportionment of ammonia and nitrate plus nitrite...

Trash Busters — A Comparison of Screening Structures for Irrigation Systems
Several irrigation districts in the Pacific Northwest have recently installed screening structures for use in removal of trash from canals, rivers, or reservoirs. Some of the screens have...

Metropolitan Washington Area Water Supply

 

 

 

 

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