Interactive maps of the continental shelf of the Monterey Bay National Marine Sanctuary with GIS layers for sediment data, bathymetry, geology, bathymetry, sonar imagery, and tectonics.
Description of the work and results of a cruise by the Pacific Sea Floor Mapping project to map the Long Beach, California continental shelf based on data from high-resolution multibeam technology.
GLORIA is a digital sidescan sonar capable of producing digital image maps of the sea floor from reflected sound waves. Site includes description of digital processing, mosaicking, and links to samples of image maps.
Gulf of Maine regional overview interactive map depicting research activities of the U.S. Geological Survey showing surficial sample sites, bathymetry, continental margin and coastal areas.
Investigation of the upper- and middle continental slope of the Mississippi Canyon, including the Gulf of Mexico, for the distribution of gas-hydrate deposits with links to a DEM image map, bathymetry data, and research technology.
Mississippi River alluvial fan interactive map with GIS data and imagery depicting core sites, depositional and channel interpretation, Gloria and SeaMarc datasets.
Webpage based on USGS Open File Report 98-139 links to information on the San Francisco Bay estuary to study dredge disposal effects, fish habitats, sediment transport, rock pinnacles and navigation, and consequences of a large oil spill.
Report on multibeam sonar imaging to produce bathymetric mapping of the reef tract known as The Pinnacles, northern Gulf of Mexico with links to images (ASCII or ArcInfo formats), data, metadata, ArcExplorer 2.0 project, and cruise report.
Georeferenced high-resolution mapping of bathymetry of the West Florida Shelf, Gulf of Mexico of areas suspected to be critical benthic habitats for fisheries. Includes links to images, data, metadata, and TIFF image files.
Homepage for the Pacific Sea floor Mapping Project with links to images, downloadable data, applications, fly-by movies, products, publications, and contacts for studies of San Francisco Bay, Puget Sound, Lake Tahoe, and other Pacific areas.
Integrated shipboard data collection, processing, and archival system for digital sidescan sonar and seismic data used in mapping the inner continental shelf.
Report with preliminary sea floor map displaying submarine rock exposures found along the northern part of Monterey Bay National Marine Sanctuary, extent based on side-scan sonar records, seismic-reflection records, and underwater video.
USGS project to understand coastal evolution and modern beach behavior; to identify and model the physical processes affecting coastal ocean circulation and sediment transport; and to identify sediment sources and construct a regional sediment budget.
Western Region Coastal and Marine Geology science center conducts research in the coastal and offshore areas of California, Oregon, Washington, Alaska, Hawaii, and other U.S. Pacific Islands.