An Overview of Chemical Contaminants Throughout the Coastal and Estuarine United States
Informed decisions on the use and management of the nation's coastal resources require convenient access to current and reliable information. In 1984, the National Oceanic and Atmospheric...

Shoreline Erosional/Depositional Patterns in Oman
This paper presents a brief synopsis of the physical setting and geomorphology of the Oman coast, emphasizing the areas with the most dramatic erosional/depositional eyeless. Eighty-three...

A Man-Machine Partnership for Map Production: An Application of Image Classification and Auto-Vectorization in Charting Coastlines
The semi-automatic production of coastal area maps through computer processed digital images is described. Two sources of digital imagery were addressed: satellite and aircraft mounted...

The North Black Sea and the Sea of Azov Coasts Under a Possible Greenhouse-Induced Global Sea-Level Rise
The first attempt is presented to compile a map of coastal evolution of the Black Sea and the Sea of Azov under the possible accelerated greenhouse-induced sea-level rise by 1m (medium...

Louisiana Cheniers: Clues to Mississippi Delta History
The cheniers of southern Louisiana have map differences, deeding differences, and granulometric differences that distinguish them from swash-built beach ridges and from dune ridges. Instead,...

Comparative Accuracies of Technologies for Vehicle Location and Navigation
A variety of vehicle location and tracking technologies are under consideration for such IVHS applications as Automatic Vehicle Location (AVL), Computer Aided Dispatch (CAD), and vehicle...

Digital Mapping for Road Navigation in Japan
In Japan, more than 300,000 vehicles are presently equipped with car navigation systems. Development of these systems had been greatly aided by the completion of a standardized digital...

Mean Areal Precipitation Estimation Using Radar
The accuracy of mean areal total storm precipitation (MAP) over small urban basins (30-100 km2) in the Denver, CO metro region was examined using...

The Utah Climate Center Weather Data Network
The Utah Climate Center weather data network includes 52 sophisticated, automated weather stations. Weather parameters are monitored in real-time and hourly summarized data are gathered,...

Hydraulic Modeling and Mapping of Mud and Debris Flows
The prediction of hyperconcentrated sediment flows on alluvial fans was advanced through the development of a two-dimensional, finite difference flood routing model FLO-2D. The model simulates...

Mapping Debris-Flow Hazard in Honolulu Using a DEM
A method for mapping hazard posed by debris flows has been developed and applied to an area near Honolulu, Hawaii. The method uses studies of past debris flows to characterize sites of...

Submerged Trash Survey at TVA Dams

CALTRANS Seismic Hazard/Risk Map and Proposed GIS Applications
The California Department of Transportation (CALTRANS) considers earthquake effects in planning, design, and construction of their structures. Obviously, CALTRANS has to respond to damaging...

A Prospect for Liquefaction Hazard Evaluation Using GIS
A brief description of a recently developed methodology to evaluate liquefaction hazard at a site is presented. In this method, uncertainty and scatter in the data are considered rigorously....

A Geotechnically-Oriented GIS for Seismic Hazard Mapping
A geotechnical GIS has been configured by the California Department of Conservation's Division of Mines and Geology for the purpose of designating seismic hazard zones as mandated by recent...

Digital Evaluation of Contaminated Sites
This paper introduces digital techniques to evaluate historical maps and aerial photographs in order to detect contaminations on derelict industrial sites. Special attention is paid to...

Sandy Accumultive Forms Within the Black Sea Coastal Zone
Most of the sandy accumulative forms of the Black Sea are within Ukraine territory. There are various types of these forms differing in morphology, dynamics, source of material, interaction...

GIS Mapping of Earthquake Ground Shaking in San Francisco, California
Severe earthquakes of the last decade in Mexico, Armenia, and the United States have reemphasized the importance of local geologic site conditions in estimating damage and consequent losses....

Calculating Erosion Rates: Using Long-Term Data to Increase Data Confidence
Computer cartographic techniques were used to produce historical shoreline change maps for two study areas: (1) an eight kilometer section of Calvert County, Maryland; and (2) an eight...

Time-Dependent Landslide Probability Mapping
Case studies where time of failure is known for rainfall-triggered debris flows can be used to estimate the parameters of a hazard model in which the probability of failure is a function...

 

 

 

 

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