Nantucket's Broad Creek Opening
On September 20-21, 1961 a severe coastal storm, the remnant of hurricane Esther, formed a 1,200 foot wide, 20 foot deep opening in a barrier beach (Smith's Point at Broad...
Tsunami?Preparing for a Vague and Rare Event
A tsunami (tidal wave) to an earth scientist is a vague event - to others, it is a Hollywood enhanced and misunderstood event. These attitudes are heightened by the fact that tsunamis...
The EEZ: Potential and Problems for Ocean Management
The emergence of the Exclusive Economic Zone (EEZ) represents the culmination of efforts to devise a transitional zone between the territorial sea, in which the coastal state has sovereignty...
The Use of Subsistence Information in Coastal Land Planning: Examples from Southeast Alaska
Subsistence use patterns and the interplay between cash and subsistence economies are a subject of study by the Division of Subsistence in the Alaska Department of Fish and Game. New methods...
Using the CoastalEcological Landscape Spatial Simulation (CELSS) Model for Wetland Management
A spatial simulation model was constructed to help understand the historical changes in the Atchafalaya/Terrebonne marsh/estuarine complex in south Louisiana and to project impacts of...
Hazardous Waste Landfill Cap System Stability
Pursuant to the regulatory requirements for control of rainfall infiltration into a hazardous waste landfill, a cap design that is impervious plus stable is required. The intent of a cap...
The Typical Engineering Properties of Fly Ash
Knowledge of key physical and engineering properties of coal fly ash is needed in the planning, design, and construction of both disposal and utilization projects. While considerable data...
Evaluation of Waste Disposal Sites Using Geotox
GEOTOX is a knowledge-based expert system designed to assist in the identification and classification of waste disposal sites. Existing methodologies such as formal or qualitative risk...
Structural Engineering and Microcomputers
This publication contains five papers on the use of microcomputers by structural engineers. The first paper discusses the design of multi-story rigid steel frames. The design process employed...
Effects of Damage and Redundancy on Structural Performance
There are numerous factors involved in the interrelationship between damage states, redundancy, system strength and structural performance. This volume examines some of these factors and...
The National Incinerator Testing & Evaluation Program
Environment Canada, under the National Incinerator Testing & Evaluation Program (NITEP), is addressing emissions from municipal energy-from-waste combustion systems. The main thrust...
Electronic Gymnastics
Efforts are being made to have all the parties to a project share the same, current information. In order to do so, civil engineering firms are jumping through electronic hoops to get...
Computer Scheduling: On-Line and On-Time
The Intermountain Power Plant, a coal fired, 761 MW coal fired electrica generating facility, has been completed months ahead of schedule and substantially under budget. Project managers...
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...
Expert Systems for Risk Analysis
An explanation is presented on why construction risk analysis can be handled by an expert system computer program. The author offers a prototype construction risk management expert system...
Delivery System Schedules and Required Capacities
The delivery of irrigation water to farmers from irrigation districts vary considerably from one project to another. A number of delivery schedules have been identified according to the...
System Scheduling for Large Farming Operations
Irrigation scheduling uses evapotranspiration data to recommend the time and amount of the next irrigation on a field by field basis. System scheduling minimizes the cost of water deliveries...
Arranged Delivery Schedules
The method of delivery of irrigation water to farmers from irrigation districts vary considerably from one project to another. Rotation delivery systems usually place too many restrictions...
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...
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