143 datasets found
-
Federal
Vessel Configuration Files, Gateway National Recreation Area
Department of the Interior —
Vessel configuration descriptions for submerged mapping cruises for acoustic surveys associated with submerged mapping cruises. The side scan sonar survey was done... -
Federal
NANA1M.TIF - Anacapa Island Reserve sidescan sonar backscatter image in nearshore Benthic Habitat mapping Project S. California map Series. (UTM 10N, NAD83)
Department of the Interior —
The sidescan sonar image of the nearshore seafloor (0 to 100 m water depths) of the Big Sycamore reserve area was mosaicked from data collected in 1998. A Klein 2000... -
Federal
Isopach grid of the Quaternary sediment thickness, inner shelf and back-barrier from Virginia border to Cape Lookout, North Carolina (q0thick, ESRI binary grid, 200 m cell size, UTM Zone 18N, WGS 84)
Department of the Interior —
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that... -
Federal
Historical bathymetry soundings between 1916 and 1920 around the Mississippi and Alabama barrier islands
Department of the Interior —
In order to characterize coastal change, historical maps and complementary records were compiled including: topographic sheets (T-sheets), hydrographic sheets... -
Federal
Biotopes, 2014-2015, Cape Cod National Seashore, as determined by Coastal/Marine Ecological Classification Standard (CMECS) Classification
Department of the Interior —
Benthic habitat maps were developed for the CACO study areas following the top-down mapping approach, for which habitat map units are geologically defined based on... -
Federal
Coastal/Marine Ecological Classification Standard (CMECS) Benthic Habitat Classifications, 2014-2015, Gateway National Recreation Area
Department of the Interior —
Supervised classification utilized training texels of 30 x 30 to 90 x 90 pixels cut from GeoTiff orthotiles centered on the coordinates of the grab sample stations.... -
Federal
Ground-truth Data, Submerged Marine Habitat Mapping, Gateway National Recreation Area
Department of the Interior —
Collection of benthic infauna and epifauna used a 0.04 m2 Ted Young Modified Van Veen grab. Three replicate benthic samples were collected at 23 sites to total 69... -
Federal
Chirp shotpoint navigation collected by Virginia Institute of Marine Science along the nearshore region of the northern Outer Banks, NC (nsc2002_shots.shp)
Department of the Interior —
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that... -
Federal
Boomer shotpoint navigation from USGS cruise 2001-005-FA along the inner continental shelf of northern North Carolina (isb2001005_shots.shp)
Department of the Interior —
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that... -
Federal
Structure grid of the depth to the Pleistocene surface (Q50), inner shelf and back-barrier from Virginia border to Cape Lookout, North Carolina (q50depth, ESRI binary grid, 200 m cell size, UTM Zone 18N, WGS 84)
Department of the Interior —
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that... -
Federal
Structure grid of the depth to the Pliocene surface (Q0), inner shelf and back-barrier from Virginia border to Cape Lookout, North Carolina (q0depth,ESRI binary grid, 200 m cell size, UTM Zone 18N, WGS 84)
Department of the Interior —
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that... -
Federal
Coastal Multibeam Bathymetry Data Collected in August 2022 From Breton Island, Louisiana
Department of the Interior —
An Ellipsoidally Referenced Survey (ERS) using two Teledyne Reson SeaBat T50-P multibeam echosounders, in dual-head configuration, was conducted by the U.S.... -
Federal
500m Bathy Contours Derived from ETOPO2 Global 2' Elevations (bathy_500m)
Department of the Interior —
This bathymetry contour data is in ESRI shapefile format and was derived from a National Oceanic Atmospheric Administration (NOAA), National Geophysical Data Center... -
Federal
Side-scan Sonar Data, 2014-2015, Gateway National Recreation Area
Department of the Interior —
The side scan sonar survey was done simultaneously with the bathymetry swath survey and used an EdgeTech Model 4125 Towfish bow-mounted from Lookdown at 400 and 900... -
Federal
Chirp shotpoint navigation from USGS cruise 2001-013-FA from Pamlico Sound, North Carolina (bbc2001013_shots.shp)
Department of the Interior —
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that... -
Federal
California State Waters Map Series--Offshore of San Gregorio Web Services
Department of the Interior —
In 2007, the California Ocean Protection Council initiated the California Seafloor Mapping Program (CSMP), designed to create a comprehensive seafloor map of high-... -
Federal
California State Waters Map Series--Offshore of Gaviota Web Services
Department of the Interior —
In 2007, the California Ocean Protection Council initiated the California Seafloor Mapping Program (CSMP), designed to create a comprehensive seafloor map of high-... -
Federal
Sidescan sonar navigation from USGS cruise 1999-045-FA along the inner continental shelf of northern North Carolina (iss1999045_tracklines.shp)
Department of the Interior —
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that... -
Federal
Multibeam Bathymetry Data Collected in 2019 from Grand Bay and Point Aux Chenes Bay Alabama/Mississippi: Processed Elevation Point Data (x,y,z)
Department of the Interior —
An Ellipsoidally Referenced Survey (ERS) using a Teledyne Reson SeaBat T50-P multibeam echosounder was conducted by the U.S. Geological Survey (USGS) St. Petersburg... -
Federal
California State Waters Map Series--Monterey Canyon and Vicinity Web Services
Department of the Interior —
In 2007, the California Ocean Protection Council initiated the California Seafloor Mapping Program (CSMP), designed to create a comprehensive seafloor map of high-...
143 datasets found