492 datasets found
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Federal
NOAA Line Shapefile- Locations of Phantom S2 ROV Underwater Video Transects, US Virgin Islands, Project NF-06-03, 2006, UTM 20N WGS84
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains a line shapefile showing the trackline of various Remotely Operated Vehicle (ROV) underwater video transects in the US Virgin Islands and Puerto... -
Federal
USGS Seafloor Mapping ATSV 99044 Chirp Data off Myrtle Beach, South Carolina
Department of the Interior —
This CD-ROM contains digital high resolution seismic reflection data collected during the USGS ATSV 99044 cruise. The coverage is the nearshore of the northern South... -
Federal
VT_Irene_highflow_data
U.S. Environmental Protection Agency —
The data are species counts by location, as well as other environmental variables for each stream location sampled. This dataset is associated with the following... -
Federal
East Flower Garden Banks Benthic_Covage Monitoring 1989-2017 - DATA
National Oceanic and Atmospheric Administration, Department of Commerce —
These datasets are part of the longterm monitoring program of the water quality and benthic communities in the East Flower Garden Bank (EFGB), West Flower Garden Bank... -
Federal
Long Island South Shore Benthic Habitat 2002
National Oceanic and Atmospheric Administration, Department of Commerce —
These data provide a baseline inventory of submerged aquatic vegetation within Long Island's South Shore bays. The data were derived from conventional-color metric... -
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
Channel Islands, Kelp Forest Monitoring, Survey, Random Point Contact, 1982-2007
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset from the Channel Islands National Park's Kelp Forest Monitoring Program has estimates of substrate composition and percent cover of selected algal and... -
Federal
Information on sediment cores collected from Cargill Marsh, South San Francisco Bay, California during field activities 2022-643-FA and 2023-681-FA
Department of the Interior —
This dataset presents core information such as core IDs, core lengths, depth intervals, and locations from sediment cores collected from Cargill Marsh, South San... -
Federal
Grain-size data of vibracores collected offshore central California, during field activity 2019-651-FA
Department of the Interior —
This dataset includes grain-size data of sediment cores collected offshore central California in the vicinity of Morro Bay. These data were collected aboard the M/V... -
Federal
Geochemistry of fine sediment from San Francisco Bay shoals (2012) and tributaries (2010, 2012, 2013)
Department of the Interior —
Elemental chemistry and weight percent of the less than 0.063 mm fine sediment fraction are reported for surface sediments from shoals, the ebb tide delta, local... -
Federal
Swath acoustic-backscatter data collected in 2013 off the islands of Maui and Kaho`olawe, Hawaii, during field activity A-01-13-HW
Department of the Interior —
1-m resolution acoustic-backscatter data were collected during a February 2013 SWATHPlus survey offshore of the Hawaiian Islands of Maui and Kaho`olawe. Data were... -
Federal
Archive of Digital Boomer and Chirp Seismic Reflection Data Collected During USGS Cruises 01RCE05 and 02RCE01 in the Lower Atchafalaya River, Mississippi River Delta, and Offshore Southeastern Louisiana, October 23-30, 2001, and August 18-19, 2002
Department of the Interior —
In October of 2001 and August of 2002, the U.S. Geological Survey conducted geophysical surveys of the Lower Atchafalaya River, the Mississippi River Delta, Barataria... -
Federal
Preliminary hard and soft bottom seafloor substrate map derived from an unsupervised classification of gridded backscatter and bathymetry derivatives at French Frigate Shoals, Northwest Hawaiian Islands, USA
National Oceanic and Atmospheric Administration, Department of Commerce —
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at French Frigate... -
Federal
NCCOS Mapping: lakebed maps and associated geospatial data of Wisconsin - Lake Superior, 2020-07-25 to 2022-03-01 (NCEI Accession 0252121)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes lakebed maps and associated geospatial data in Lake Superior, offshore the Wisconsin Bayfield Peninsula and the Apostle Islands National... -
Federal
MGL1111backsgeo.asc: Multibeam backscatter data collected by the U.S. Geological Survey in the Bering Sea in 2011 during cruise MGL1111, 100-meter gridded data in Esri gridascii format, geographic coordinate system
Department of the Interior —
This raster dataset represents approximately 49,581 square kilometers of Simrad EM122 multibeam backscatter-intensity data collected in the Bering Sea during U.S.... -
Federal
Geochemistry of sediment and organic matter in drainages burned by the Altas and Nuns wildfires in October 2017 and of nearshore seabed sediment in north San Francisco Bay from March to April 2018
Department of the Interior —
Fine-grained sediment was collected from the banks of Napa River, Sonoma Creek, and tributaries in March 2018 and from shallow nearshore areas of the northern reach... -
Federal
Seafloor character, 5-m grid--Offshore of Coal Oil Point, California
Department of the Interior —
This part of DS 781 presents 5-m resolution data for the seafloor-character map of the Offshore of Coal Oil Point map area, California. The raster data file is... -
Federal
Seafloor character--Offshore of Ventura, California
Department of the Interior —
This part of DS 781 presents data for the seafloor-character map of the Offshore of Ventura map area, California. The raster data file is included in... -
Federal
Observations of survival and hatch of developing pallid sturgeon embryos in relation to experimental substrate and sediment cover
Department of the Interior —
This dataset documents the number of normally developed hatched free embryos, abnormally developed hatched free embryos, and viable unhatched embryos from two... -
Federal
Archive of Digital Chirp Seismic Reflection Data Collected During USGS Cruise 06SCC01 Offshore of Isles Dernieres, Louisiana, June 2006
Department of the Interior —
In June of 2006, the U.S. Geological Survey conducted a geophysical survey offshore of Isles Dernieres, Louisiana. This report serves as an archive of unprocessed...
492 datasets found