GEOLOGIC CHARACTERIZATION OF SHELF AREAS USING USSEABED FOR GIS MAPPING, MODELING PROCESSES AND ASSESSING MARINE SAND AND GRAVEL RESOURCES

摘要

which combines an array of physical data and analytical and descriptive information about the sea floor and are available to the marine community through three USGS data reports for the Atlantic, Gulf of Mexico, and Pacific published in 2006, and the project web sites.