499 datasets found
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Federal
Grain size and bulk density from Little Holland Tract and Liberty Island, Sacramento-San Joaquin Delta, California, 2015 to 2019
Department of the Interior —
Grain size distribution and bulk density are reported for sediment samples from two flooded agricultural tracts, Little Holland Tract and Liberty Island, in the... -
Federal
Archive of Digital Chirp Subbottom Profile Data Collected During USGS Cruises 13BIM02 and 13BIM07 Offshore of the Chandeleur Islands, Louisiana, 2013
Department of the Interior —
On July 5–19 (13BIM02) and August 22–September 1 (13BIM07) of 2013, the U.S. Geological Survey (USGS) conducted geophysical surveys to investigate the geologic... -
Federal
Digital elevation models (DEMs) of the lower Elwha River, Washington, water year 2013 to 2016
Department of the Interior —
Digital elevation models (DEMs) of the lower Elwha River, Washington, were created by synthesizing lidar and PlaneCam Structure-from-Motion (SfM) data. Lidar and... -
Federal
Acoustic backscatter intensity from multibeam echosounder data collected offshore of Point Estero, California
Department of the Interior —
This part of USGS Data Series 781 (Golden, 2019) presents 2-m-resolution acoustic backscatter data for the Offshore of Point Estero, California, map area. Backscatter... -
Federal
Archive of Digital Boomer Sub-bottom Data Collected During USGS Field Activities 97LCA01, 97LCA02, and 97LCA03, West-Central and East Coast Florida, February through July 1997
Department of the Interior —
From February through July of 1997, the U.S. Geological Survey conducted geophysical surveys of Lakes Dosson, Halfmoon and Round, Sebastian Inlet, and Indian River... -
Federal
CRED Preliminary hard and soft bottom seafloor substrate map derived from an unsupervised classification of gridded backscatter and bathymetry derivatives at the U.S. Territory of Guam.
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 the U.S. Territory... -
Federal
Archive of Datasonics SIS-1000 Chirp Subbottom Data Collected During USGS Cruise SEAX 96004 New York Bight, 1 May - 9 June, 1996
Department of the Interior —
This DVD-ROM contains copies of the navigation and field chirp subbottom data collected aboard the R/V Seaward Explorer, from 1 May - 9 June, 1996. The coverage is in... -
Federal
Sediment grain size in the Elwha River estuary, Washington, from 2013 and 2014.
Department of the Interior —
This portion of the data release presents sediment grain-size data from samples collected in the Elwha River estuary, Washington, in July 2013 and June 2014 (USGS... -
Federal
PAC_CLC: Calculated seabed data for the continental margin of the U.S. Pacific Coast (California, Oregon, Washington) from usSEABED (pac_clc.txt)
Department of the Interior —
This data layer (PAC_CLC.txt) is one of five point coverages of known sediment samples, inspections, and probes from the usSEABED data collection for the U.S Pacific... -
Federal
The median of bottom shear stress for the Gulf of Maine south into the Middle Atlantic Bight, May 2010 to May 2011 (GMAINE_median.shp, Geographic, WGS 84)
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
Geochemistry of surface sediment and sediment cores in Bellingham Bay, Whatcom County, Washington, in February 2020
Department of the Interior —
Geochemical data are reported for surface sediments and long sediment cores from Bellingham Bay, Whatcom County, Washington, collected in early February 2020 after... -
Federal
MGL1111backsgeo.xyb: Multibeam backscatter data collected by the U.S. Geological Survey in the Bering Sea in 2011 during cruise MGL1111, 100-meter gridded data in longitude, latitude, backscatter (decibel) 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
Percentage of time sediment is mobile for May, 2010 - May, 2011 at select points in the Middle Atlantic Bight (MAB_mobile_perc.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
California State Waters Map Series--Point Sur to Point Arguello 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
Archive of Boomer Seismic Reflection Data Collected During USGS Cruises 01SCC01 and 01SCC02, Timbalier Bay and Offshore East Timbalier Island, Louisiana, June - August 2001
Department of the Interior —
This archive consists of two-dimensional marine seismic reflection profile data collected in Timbalier Bay and in the Gulf of Mexico offshore East Timbalier Island,... -
Federal
Seabed component and feature data for the continental margin of the U.S. Pacific Coast (California, Oregon, Washington) from usSEABED (pac_cmp.txt)
Department of the Interior —
This data layer (PAC_CMP.txt) is one of five point coverages of known sediment samples, inspections, and probes from the usSEABED data collection for the U.S. Pacific... -
Federal
MGL1109backutm.tif: Multibeam backscatter data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in GeoTIFF format, UTM 6 coordinates
Department of the Interior —
This raster dataset represents approximately 69,060 square kilometers of Simrad EM122 multibeam-backscatter data collected in the Gulf of Alaska during U.S.... -
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
Surface-sediment grain-size distributions of the Elwha River delta, Washington, July 2018
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 2018 (USGS Field Activity... -
Federal
Geochemistry of fine-grained sediment in Bellingham Bay, Nooksack River, and small creeks from June 2017 to September 2019
Department of the Interior —
Elemental compositions are reported for the fine fraction of surface sediments from Bellingham Bay (June 2017 and March 2019) and in the fine fraction of streambank...
499 datasets found