Highway Maintenance and Integrated Management Systems
Maintenance management systems were among the first applications of rational management principles and the (then) the new technology of computers to highway operations. Recent changes...
An Integrated Design/Construction Research Program for Infrastructure Rehabilitation
The quality of America's infrastructure today is barely adequate to fulfill current requirements, and sufficient to meet the demands of future economic growth and development. This serious...
An Application of MCDM to Product-Based Pavement Management
The Finish National Roads Administration is currently developing it's organization to be more object-oriented and profit-making. This renewal implies to so called product-approach. In...
Establishing a HSGT System Organization
Most of the attention on High Speed Ground Transportation systems thus far has been devoted to their technological, financial and construction aspects, and this was understandable since...
Status of Contamination in the Coastal United States as Revealed from NS&T Analyses of Surface Sediments
Sediment samples have been collected from more than 300 sites along the coasts of the U.S. since 1984 as part of NOAA's National Status and Trends (NS&T) Program. These samples...
Temporal Trends of Chemical Contamination at NS&T Sites
Recent temporal trends in concentrations of ten trace elements (Ag, As, Cd, Cr, Cu, Hg, Ni, Pb, Se, and Zn) and of five groups of organic compounds (butyltins, tDDT, tCdande, tPCB, and...
The NS&T Intensive Bioeffects Surveys: Design Strategies and Preliminary Results
Intensive bioeffects surveys are conducted in selected areas where chemical data from the National Status and Trends (NS&T) Program indicate greatest potential for contaminant-related...
Production and Decomposition of
Production and decomposition rates were calculated for Spartina patens in a mesohaline coastal marsh in Louisiana. Production was estimated to be 800 g m-2 ur-1 during 1991 and 1,696 g...
Sandy Beach Restoration in Heavily Populated Areas
Urban coastal areas are marked by several conflicts between its use and the conservation of its use and the conservation of its natural features. The Rio de Janeiro State University -...
An Ongoing Field Study to Evaluate the Impacts and Direct Effects of Offshore Dreding Activities on Benthic Organisms
Instrumentation and sampling involve box coring, otter trawling, the use of a towed sled carrying video camera, and a sidescan sonar device. The baseline collection phase of the study...
Studies of Contaminants in Arctic Marine Mammals
Attention has been directed over the last few years to determining the baseline levels of anthropogenic contaminants in Arctic marine mammals. Because of their subsistence value to local...
Chlorinated Pesticide in a Fish Farming Station in the Lake Maracaibo Basin
The present evaluation of chlorinated pesticides is the result of the detection of tumors, hepatic and renal necrosis and skeletal anomalies in species of fish cultivated in artificial...
Challenges Associated with Metriciation of the Nautical Chart
Under the Metric conversion Act of 1975, Omnibus Trade and Competitiveness Act of 1988, and Executive Order 12770 of 1991 all federal agencies are required to convert to the international...
Building Coalitions to Protect the Coast
There are myriad public and private organizations that share interests in coastal management. Until recently, these organizations had separate agendas and did not work together to promote...
ECOR, an International Organization Active in the Coastal Zone
The Engineering Committee on Oceanic Resources is an international organization that fosters and facilitates cooperation in the field of ocean engineering. The purpose of ECOR is: (a)...
Hydrologic Recovery of Artificially-Drained Wetlands in Coastal North Carolina
The hydrologic status of three peat wetland areas was compared to test a theoretical model which suggests that loss of conveyance capacity in artificial channels allows wetlands to restore...
Coastal America Gulf of Mexico Region Implementation Strategy
The Gulf of Mexico Regional Implementation Team (GMRIT) is composed of Federal and State agency representatives from the five Gulf Coast States of Texas, Louisiana, Mississippi, Alabama,...
Suitability Assessment for Coastal Development Projects in Mexico
Mexican legislation mandates to consider suitability assessments for the execution of regional development projects. Also, Mexican law orders public participation when assessing suitability...
Monitoring of Microbial Pollution in the Lagos (Coastal) Lagoon, Nigeria
Lagos Lagoon, the largest coastal lagoon in West Africa covers an area of about 208 square kilometres. Its only opening to the sea is through the Commodore Channel which serves as the...
IVHS-Organizational Structure and Staffing
Continuing technology advances in IVHS present challenges that many states are unable to meet with their current staffs. Only a few states have recognized the need to plan the need to...
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