Columbia River Treaty Perspectives
The Columbia River Treaty was signed in 1961 and ratified by the governments of Canada and the United States in 1964. The Treaty required British Columbia to construct three large storage...

Hydrologic Design Methodologies for Small-Scale Hydro at Ungauged Sites
IMP is a microcomputer package for evaluating small-scale hydroelectric power sites in British Columbia. With IMP it should be possible for an experienced hydroelectric engineer to make...

Single Conduit Dam Design
In today's arena of increasingly higher costs for major dams, planners and designers are continuing to look into ways of reducing the overall costs for the development of...

Osoyoos Lake Control Structure
The new Osoyoos Lake Control Structure has been built on the Okanogan River at Oroville, Wa. The site is about 2 miles downstream from the outlet of Osoyoos Lake, and about 9 miles south...

Hydraulic Design and Performance of Discharge Facilities at Revelstoke Project
Revelstoke Project is located in southeastern British Columbia on the Columbia River, 130 km downstream of the Mica Dam and approximately 5 km north of the City of Revelstoke. The project...

Rehabilitation of the Seekonk River Interceptor Sewer, Providence, Rhode Island
The Seekonk River Interceptor, located in Providence, Rhode Island and owned by the Narragansett Bay Commission, is a combined sewer system originally built in the late 1800s. Portions...

Japan Tunnels under the Ocean
The 54 km Seikan Tunnel, the longest undersea railroad in the world, opened in March. The tunnel, which connects Japan's two largest islands, Hakkaido and Honshu, is part...

Variability of Copper in the International Reach of the Similkameen River, British Columbia
All total copper concentrations measured in soft water during spring freshets were above the Canadian Water Quality Guidelines. Approximately 57% of all 108 observations over the three-year...

Hydraulic Study for the Construction of Artificial Islands in Peoria Lake, Illinois
Long-term sediment accumulation in the lake reduced the average depth of the lake from 8 feet in 1903 to 2.6 feet in 1985, which resulted in the deterioration of aquatic habitats and recreational...

The Unesco-Lesser Antilles Coastal Zone Management and Beach Stability Program
The aim of this program is to develop internal capabilities to conserve and manage beach and nearshore resources. The program covered six islands, Grenada, St. Vincent, St. Lucia, Dominica,...

Recreation Planning and Design for Floating Cities
The role and place of recreation planners and designers in multidisciplinary research for floating cities of the 21st Century and emerging marine recreation concepts and their relationship...

Coastal Structures and Long Term Shore Migration
Marco Island is a barrier island located on Florida's Gulf coast. Using an aerial photo time series from 1926 to 1981, shoreline migration is examined. Since shore development...

Advanced Identification of Wetlands and Sensitive Aquatic Sites
Region III EPA has implemented advanced identification studies in various locations of its five state area with the majority of the studies focused within the coastal zone. Two such studies...

Domestic Sewage Disposal Pribilof Islands Small Diameter Ocean Outfalls
This paper presents aspects of planning, permitting, design, and construction of two unique small diameter ocean outfalls for the Native Alaskan Villages of Saint George and Saint Paul,...

Shoreline Protection of the East Frisian Islands of Norderney and Langeoog
The seven East Frisian Islands protect as a natural barrier chain a part of the German coastline. In order to protect the health and bathing resorts against erosion, people constructed...

Coastal Zone Management Programmes in Barbados and Grenada
This paper discusses two islands, Barbados and Grenada, where government funded coastal zone management programmes have been set up and are being implemented. These programmes are discussed...

Beach Replenishment: The National Solution?
The records of more than 90 replenished beaches and more than 200 sand-pumping operations on East Coast barrier island shorelines, while fragmentary, reveal a wide range of experiences,...

Coastal Area Management in the South Pacific Islands
Within the broad framework provided by the South Pacific Regional Environment Programme a coastal area management programme, SOPACOAST, is underway. Its approach is broad, encompassing...

Tractive Flows Adjacent to Site for Submarine Sewage Pipeline
Twin 3200 m long submarine sewage pipelines for the city of Vancouver are being placed across the outer tidal flats and upper slope of the Fraser River delta to a water depth of 107 m....

The Great Highway Coverup
Public opinion has forced changes in highway design since the first ones were built 30 years ago. In the Seattle area, this environmental sensitivity led to federal court action and to...

 

 

 

 

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