996 datasets found
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Federal
Polygons of global undersea features for geographic searches
Department of the Interior —
A shapefile of 311 undersea features from all major oceans and seas has been created as an aid for retrieving georeferenced information resources. Version 1.1 of the... -
Federal
Geology and geomorphology--Offshore of Monterey, California
Department of the Interior —
This part of DS 781 presents data for the geologic and geomorphic map of the Offshore of Monterey map area, California. The vector data file is included in... -
Federal
Projected Seafloor Elevation Along the Florida Reef Tract From Deerfield Beach to Homestead, Florida—100 Years From 2014 Based on Historical Rates of Mean Erosion
Department of the Interior —
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted research to quantify the combined effect of all constructive and... -
Federal
A seamless, high-resolution, coastal digital elevation model (DEM) for Southern California
Department of the Interior —
A seamless, three-meter digital elevation model (DEM) was constructed for the entire Southern California coastal zone, extending 473 km from Point Conception to the... -
Federal
U.S. Geological Survey calculated median of wave-current bottom shear stress in the South Atlantic Bight from May 2010 to May 2011 (SAB_median, polygon shapefile, Geographic, WGS84)
Department of the Interior —
The U.S. Geological Survey has been characterizing the regional variation in shear stress on the sea floor and sediment mobility through statistical descriptors. The... -
Federal
Standard deviation of the bathymetric DEM of the Sacramento River, from the Feather River to Knights Landing, California in February 2011
Department of the Interior —
This part of the data release contains a grid of standard deviations of bathymetric soundings within each 0.5 m x 0.5 m grid cell. The bathymetry was collected on... -
Federal
Sun-illuminated Sea Floor Topographic Maps and Perspective View Imagery; Quadrangle 5
Department of the Interior —
This data set contains the topographic contours and sun-illuminated imagery of Quadrangle 5. This coverage is one in a series of 18 quadrangles in the Stellwagen Bank... -
Federal
Still images in JPEG format of the sediment surface in the grab sampler, collected on Stellwagen Bank during U.S. Geological Survey field activity 2019-008-FA, aboard the R/V Auk, July 30, 31, and August 1, 2019
Department of the Interior —
This field activity is part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall... -
Federal
Median of wave-current bottom shear stress in the Middle Atlantic Bight for May, 2010 - May, 2011 (MAB_median.SHP)
Department of the Interior —
The U.S. Geological Survey has been characterizing the regional variation in shear stress on the sea floor and sediment mobility through statistical descriptors. The... -
Federal
U.S. Geological Survey East Coast Sediment Texture Database (2014, ECSTDB2014.SHP)
Department of the Interior —
This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic... -
Federal
GeoTIFF image of the shaded-relief bathymetry of the Historic Area Remediation Site in 1998 (3-m resolution, Mercator, WGS 84)
Department of the Interior —
Surveys of the bathymetry and backscatter intensity of the sea floor of the Historic Area Remediation Site (HARS), offshore of New York and New Jersey, were carried... -
Federal
HW3_Q64.TIF - Hawaii III - Northwestern Hawaii U.S. EEZ GLORIA sidescan-sonar data mosaic (12 of 22) (LCC, 50 m, WGS84)
Department of the Interior —
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system... -
Federal
U.S. Geological Survey calculated percentage of time sediment is mobile for May 2010 to May 2011 at select points in the South Atlantic Bight (SAB_mobile_perc, point shapefile, Geographic, WGS84)
Department of the Interior —
The U.S. Geological Survey has been characterizing the regional variation in shear stress on the sea floor and sediment mobility through statistical descriptors. The... -
Federal
6-m resolution image of shaded relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 1, pseudo-colored by backscatter intensity (Q1_BACKPC.TIF)
Department of the Interior —
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea... -
Federal
Sun-illuminated Sea Floor Topographic Maps and Perspective View Imagery; Quadrangle 12
Department of the Interior —
This data set contains the topographic contours and sun-illuminated imagery of Quadrangle 12. This coverage is one in a series of 18 quadrangles in the Stellwagen... -
Federal
Acoustic backscatter data from USGS Field Activity S-8-08-SC, northern Santa Barbara Channel, southern California
Department of the Interior —
Acoustic backscatter data were collected by the U.S. Geological Survey in July 2008 in the northern Santa Barbara Channel in southern California. Data were collected... -
Federal
Backscatter A [CSUMB]--Offshore of Ventura, California
Department of the Interior —
This part of DS 781 presents acoustic-backscatter data for the Offshore of Ventura map area, California. The raster data file is included in... -
Federal
HW1_Q15.TIF - Hawaii I - Southeastern Hawaiian Ridge U.S. EEZ GLORIA sidescan-sonar data mosaic (15 of 29) (LCC, 50 m, WGS84)
Department of the Interior —
Survey of the southeastern Hawaiian Ridge was the fifth major segment of the Exclusive Economic Zone (EEZ) mapping program to have been initiated. Data acquisition... -
Federal
Image of the 4-m Sun-illuminated Topography of the Sea Floor off Eastern Cape Cod (CAPESOUTHSUN_GEO4M_WGS84.TIF, Geographic, WGS84)
Department of the Interior —
This data set includes sun-illuminated of the sea floor offshore of eastern Cape Cod, Massachusetts. The data were collected with a multibeam sea floor mapping system... -
Federal
Seabed still images in JPEG format collected on Stellwagen Bank during U.S. Geological Survey field activity 2017-044-FA, aboard the R/V Auk, September 12-14, 2017
Department of the Interior —
This field activity is part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall...
996 datasets found