499 datasets found
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Federal
Radiocarbon measurements from core 721-1 obtained in 2002 off San Francisquito Creek in South San Francisco Bay
Department of the Interior —
This data release provides radiocarbon measurements from a core obtained off San Francisquito Creek in South San Francisco Bay. -
Federal
Optically stimulated luminescence (OSL) age data from vibracores collected offshore central California, during field activity 2019-651-FA (ver 2.0, August 2023)
Department of the Interior —
This dataset includes optically stimulated luminescence (OSL) age data from sediment cores collected offshore central California in the vicinity of Morro Bay. These... -
Federal
Multi-Sensor Core Logger (MSCL) data of piston and gravity cores collected in September 2019 offshore of south-central California (USGS FAN 2019-642-FA)
Department of the Interior —
This dataset includes multi-sensor core logger (MSCL) data for 39 piston and gravity cores that were collected as part of a groundtruthing survey in September 2019... -
Federal
Seafloor character--Offshore of Fort Ross, California
Department of the Interior —
This part of DS 781 presents the seafloor-character map Offshore of Fort Ross, California (raster data file is included in "SeafloorCharacter_OffshoreFortRoss.zip,"... -
Federal
Archive of Digital Boomer Seismic Reflection Data Collected During USGS Field Activity 02LCA02 in Lakes Ada, Crystal, Jennie, Mary, Rice, and Sylvan, Central Florida, July 2002
Department of the Interior —
In July of 2002, the U.S. Geological Survey and St. Johns River Water Management District (SJRWMD) conducted geophysical surveys in Lakes Ada, Crystal, Jennie, Mary,... -
Federal
CMECS seafloor induration derived from multibeam echosounder data collected offshore of south-central California in support of the Bureau of Ocean Energy Management Cal DIG I, offshore alternative energy project
Department of the Interior —
Seafloor induration (surface hardness) was derived from multibeam echosounder (MBES) and annotated underwater video data collected offshore of Morro Bay, California,... -
Federal
Aerial imagery from the UAS survey of the coral reef off Waiakane, Molokai, Hawaii, 24 June 2018
Department of the Interior —
This portion of the data release presents raw aerial imagery collected during an unoccupied aerial system (UAS) survey of the coral reef off Waiakane, Molokai,... -
Federal
Grain size and bulk density of sediment cores from Little Holland Tract and Liberty Island, Sacramento-San Joaquin Delta, California, 2016 (ver. 2.0, March 2025)
Department of the Interior —
Grain size distribution, bulk density, and percent carbon are reported for sediment push cores from two flooded agricultural tracts, Little Holland Tract and Liberty... -
Federal
South Manitou Island Benthic Habitat 2016
National Oceanic and Atmospheric Administration, Department of Commerce —
These data provide benthic habitat maps for a 42-square-kilometer area at South Manitou Island in Lake Michigan. This joint pilot project between NOAA's Office for... -
Federal
Elevations of the Elwha and Mills dams, Elwha River, Washington, 2008 to 2013
Department of the Interior —
This dataset presents elevation measurements of two dams on the Elwha River, Washington, during their removal processes from 2008 to 2013. Elevation measurements of... -
Federal
usSEABED PaRSed data for the entire U.S. Gulf of Mexico and Caribbean (GMX_PRS, Puerto Rico and U.S. Virgin Islands)
Department of the Interior —
This data layer is a point coverage of known sediment samplings, inspections and probings from the usSEABED data collection and integrated using the software system... -
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
Geochemical and isotopic compositions of stream sediment, parent rock, and nearshore sediment from southwest Puerto Rico, April 2017-June 2018
Department of the Interior —
Geochemical and isotopic compositions were determined in stream sediment and parent rocks collected in April 2017 and June 2017 and in nearshore sediment collected... -
Federal
Chirp sub-bottom data collected in Lake Crescent, Washington during USGS field activity 2019-622-FA
Department of the Interior —
Chirp sub-bottom data were collected by the U.S. Geological Survey in August of 2019 in Lake Crescent, Washington. -
Federal
Cesium-137 concentration data of percussion driven gravity cores collected in Alaskan lakes and fjords following the 2018 Anchorage earthquake
Department of the Interior —
This dataset includes Cesium-137 concentration data from sediment cores collected from lacustrine and fjord basins in southcentral Alaska following the 2018 Anchorage... -
Federal
Streamgage measurements, Elwha River, Washington, 2011 to 2016
Department of the Interior —
Streamgage levels on the Elwha River were measured from 2011 to 2016. These measurements show the height of the river's water surface, both in meters relative to the... -
Federal
Continuous core photographs of sediment cores collected in 2009 offshore from Palos Verdes, California
Department of the Interior —
This part of the data release includes continuous core photographs in bmp format of sediment cores collected in 2009 offshore of Palos Verdes, California. It is one... -
Federal
Chirp sub-bottom data collected in the Yakobi Sea Valley during USGS Field Activity 2017-621-FA
Department of the Interior —
Chirp sub-bottom data were collected by the U.S. Geological Survey in July and August 2017 to expand data coverage along the Queen Charlotte Fault system in the... -
Federal
California State Waters Map Series--Offshore of Fort Ross 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 Tomales 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-...
499 datasets found