Properties of Tin-Mined Land in Mangrove Forest, Thailand
Although mangrove forests occupy a very small area of Thailand, they contribute not only an ecosystem but also large tin ore deposits. Two provinces in the South, Ranong and Phangnga,...
Coastal Dunes for Protection and Sand Resources
Massive mining of dune sand on the north coast of Puerto Rico has impaired the natural ability of the dunes to protect the coast from high waves and long-term erosion. This paper presents...
The Albemarle-Pamlico Sound System
The Albemarle-Pamlico Sound system is the second largest estuarine system in the United States in areal extent, and the fourth largest in volume. Moreover, it is one of the most important...
Parameters Controlling the Success of Dune Revegetation at King Salmon, California
An eroded 9. 3 ha (23 acre) sand spit was restored through jetty construction and fill (using dredge spoils) by the Corps of Engineers at King Salmon on Humboldt Bay, California. An experimental...
Effects of Toxic Chemical Perceptions on Fishing Behavior
This study investigates: 1) whether angler's who perceive toxic chemicals in the water fish any differently than those who do not, and 2) do these behavioral differences have...
Using Multi-Attribute Analysis to Establish Marine Pollution Research Priorities
The paper discusses how techniques like multi-attribute analysis, when used in workshops or surveys, can be most effectively applied to enriching the informational basis for future agency...
Modelling as a Tool for Analysis and Assessment of North Sea Pollution
This paper briefly describes the analysis of pollution inputs into the area considered and the application of modelling techniques to quantify the hydrodynamics and related transport phenomena...
Comparing Results of Wave Data from Two Recorders
In this paper two sets of wave measurements made in the same region using a pressure transducer and a wave rider bouy are compared. The same methods of analysis were applied to both the...
Enhancing Diked Wetlands in Coastal California
Significant areas of wetland in coastal California are diked off from full tidal action. These areas retain considerable value as wetland, and their management and enhancement present...
Numerical Modeling of the Coastal Current Regime at Yaquina Bay, Oregon
The application of a family of hydrodynamic numerical models for simulating tidal and wave-induced currents at Yaquina Bay, Oregon, is described. An overview of four numerical models is...
Ocean Erosion Control for the Private Sector
The paper describes some procedures of design and construction of riprap type protective structures to contain ocean erosion and to provide an end product that both gives protection and...
Pollutant Transport Through Barriers
Methods of predicting contaminant transport through saturated and unsaturated clayey barriers are reviewed. Particular consideration is given to the relative importance of advection and...
Effect of Permeameter and Leachate on a Clay Liner
Hydraulic conductivity tests were performed on a natural clay liner material using leachate from an active Type II landfill. Comparative tests were conducted using flexible wall permeameters,...
The Effects of Brine Contamination on the Properties of Fine Grained Soils
Laboratory tests have been performed to investigate the effects of brine contamination on grain size distribution, relative density, liquid and plastic limits, hydraulic conductivity,...
Permeability of Compacted Clay Liners in Laboratory Scale Models
Experiments conducted in flexible wall permeameters have shown that the permeability of a soil sample is dependent on the size of the specimen tested. The permeability was found to decrease...
Geotechnical Properties and Landfill Disposal of FGD Sludge
Extensive test data from more than a decade of research are compiled on the geotechnical engineering properties of flue gas desulfurization (FGD) sludges with emphasis on double alkali...
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...
Use of Vibration Measurements in Structural Evaluation
Over the past decade the capabilities for vibration measurements and analysis have advanced significantly. It is now a routine procedure to be able to measure natural frequencies of structures...
The Mexico Earthquakes?1985
Factors Involved and Lessons Learned
This publication reports initial results of study of the 1985 Mexico earthquake, one year after the event. The findings present sufficient depth of analysis to provide an understanding...
The U.S. Geological Survey's National Real-Time Hydrologic Information System Using Goes Satellite Technology
The U. S. Geological Survey maintains the basic hydrologic data collection system for the United States. The Survey is upgrading the collection system with electronic communications technologies...
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