Common Priorities for Managing Marine Protected Areas: Results from an International Seminar
In 1986, representatives from 22 countries participated in the International Marine Protected Area Management Seminar. The Seminar provided an opportunity to identify and discuss major...

Rocky Habitat Mitigation Using Artificial Reefs in Puget Sound, Washington
In Puget Sound, Washington, artificial reefs are being studied to determine their potential to mitigate for man-caused degradation of rocky habitat. These studies demonstrate the biological...

Vertical Shelter From Hurricanes: Risk Perceptions and Politics
To reduce risks posed by high hurricane evacuation times, vertical shelters have been proposed. This paper presents a preliminary assessment of key decision makers' reactions...

Urban Waterfronts: Does Every Use Have a Place?
This paper is a comparison of different state definitions and techniques used to manage competing uses on the waterfront. Every use does have a place on the waterfront. But that place...

Coastal Area Development and Offshore Man-Made Islands
With offshore man-made islands, it is necessary to make the aims of land use clear in terms of the various conditions, such as a severe environment and vast construction costs. As technological...

Economical Solutions for Dredged Material Disposal
During the 1970's, the State of Wisconsin expressed concern about contamination of dredged materials and the deposition of pollutants into Wisconsin's Great Lakes...

Coastal Zone Management Plan Development in Malaysia: Issues and Possible Sollutions
Over the last few decades Malaysia has undergone fairly rapid rates of economic growth, characterised by high level of resource exploitation, without due consideration given to the environmental...

The Dioxin Situation in West Germany
The public discussion in Germany of the 'dioxin problem' has recently become more rational than it was three years ago. Emotions and hard facts are in a balance...

Lawyer on a Microchip
Construction in the 1980s have become a complex, high stakes, intensely competitive business. For architects and engineers involved, the prospect of lawsuits has grown tremendously. An...

Design of Large Steam Turbine-Generator Foundations
This report is a guide for engineers who are responsible for the design and analysis of large turbine-generator foundations. A description of the various components of turbine-generator...

Demand Irrigation Schedules
This class of schedules consists of Demand and Limited Rate Demand. They need no communication system and can satisfy the on-farm needs with negligible constraint. The Demand schedule...

Structuring Distribution Agencies for Irrigation Water Delivery
The performance of an irrigation project is significantly influenced by the organization which distributes water to users. It is demonstrated that a intermediate level authority, typically...

Automated Water Control in Southern Alberta
The distributed control system for water delivery that has evolved in Alberta, Canada is described including the type of hardware used and the general operating philosophy. Of importance...

Selection of Appropriate Technology in Irrigation Canal Systems
A variety of approaches to irrigation management and system operation exist and great care should be taken in selecting the one to be used in new or rehabilitation/modernization projects....

Overview of Financial and Economic Considerations
The financial and economic analyses of plans to rehabilitate and automate irrigation water delivery systems are complex technical exercises that require the expertise of professional economists...

Economic Analysis of Irrigation Rehabilitation Projects
This paper discusses the assessment of the costs and benefits of irrigation rehabilitation and modernization projects. It summarizes the methodology used at the World Bank to assess the...

Open Channel Flow Resistance in Horseshoe Conduits
An experimental study of open channel flow resistance in horseshoe-shaped conduits is reported. The friction factor is shown to increase approximately 20 percent in comparison to values...

Optimal Design of Large Scale Water Distribution Systems
This paper presents a methodology for the design of least cost water distribution systems. The advantage of the formulation compared to the other techniques in the literature is that it...

Composite Resistance to Flow With an Ice Cover
Recent data collected on several rivers in Michigan suggest, with only an ice cover present, that Manning's roughness ratio is constant at n//R equals 0. 65. If other ice...

Mississippi River Sediment Load and Regime Equations
Data collected by the Corps of Engineers were used to evaluate the interaction of such parameters as river slope, suspended sediment load, channel geometry, and river discharge. Calculations...

 

 

 

 

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