438 datasets found
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Federal
Offshore Pigeon Point_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
Benthic kelp and invertebrate counts, California sheephead abundance, substrate rugosity data, and benthic temperatures from long-term kelp forest ecosystem monitoring sites at San Nicolas Island, California
Department of the Interior —
Four data sets are included here to aid in assessing the influence of substrate complexity on kelp forest ecosystem stability. One data set consists of counts of a... -
Federal
High-Resolution Seismic-Reflection Chirp Profiles in SEG-Y and JPEG Formats From Cruise RAFA08034 off Edgartown, Massachusetts (08034_KELPROFILES)
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Massachusetts Office of Coastal Zone... -
Federal
Seismic-Reflection Profiles in SEG-Y Format From Southern Rhode Island Sound
Department of the Interior —
During 1980, the U.S. Geological Survey (USGS) conducted a seismic-reflection survey utilizing Uniboom seismics in southern Rhode Island Sound aboard the Research... -
Federal
Microsatellite genotypes for Lake Sturgeon (Acipenser fulvescens) Eggs and Larvae from Constructed Reefs in the St. Clair-Detroit River System (2015-2016)
Department of the Interior —
This dataset contains the physical collection information (e.g., sample location, date, gear type) and microsatellite DNA genotype of egg and larval Lake Sturgeon... -
Federal
Surface-sediment grain-size distributions of the Elwha River delta, Washington, July 2016
Department of the Interior —
This portion of the data release presents sediment grain-size data from samples collected on the Elwha River delta, Washington, in July 2016 (USGS Field Activity... -
Federal
Seafloor character, 2-m grid--Offshore of Coal Oil Point, California
Department of the Interior —
This part of DS 781 presents 2-m resolution data for the seafloor-character map of the Offshore of Coal Oil Point map area, California. The raster data file is... -
Federal
Archive of Digital Chirp Sub-bottom Profile Data Collected During USGS Cruise 07SCC01 Offshore of the Chandeleur Islands, Louisiana, June 2007
Department of the Interior —
In June of 2007, the U.S. Geological Survey (USGS), in cooperation with the Louisiana Department of Natural Resources (LDNR), conducted a geophysical survey offshore... -
Federal
usSEABED facies data for the entire U.S. Atlantic Coast (ATL_FAC)
Department of the Interior —
The facies data layer (_FAC.txt) is a point coverage of known sediment samplings, inspections, and probings from the usSEABED data collection and integrated using the... -
Federal
Acoustic backscatter intensity from multibeam echosounder data collected offshore of Arcata, California
Department of the Interior —
This 2-m-resolution acoustic backscatter data for the Offshore of Arcata, California, map area is part of USGS Data Series 781 (Golden and Cochrane, 2019).... -
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
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
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
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
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...
438 datasets found