Found 223 datasets matching filters.
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This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic Continental Margin of the...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03 -
In freshwater bodies of New Hampshire, the most problematic aquatic invasive plant species is Myriophyllum heterophyllum or variable leaf water-milfoil. Once established, variable leaf...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
This data release is an archive of sedimentary field and laboratory analytical data collected in Grand Bay, Alabama/Mississippi from 2014-2016 by scientists from the U.S. Geological Survey St....
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
A reconnaissance survey of that part of the Scotian Shelf extending from Halifax to Digby Nook was conducted during October, 1961, in order to determine the nature, distribution, and source areas...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
Scanning electron microscope analysis and inductively coupled plasma mass spectroscopy data of dust recovered from deployers and controls.
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
In 2021 and 2022, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) and the USGS New York Water Science Center (NYWSC), on behalf of...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
A geophysical and geological survey was conducted at the mouth of the Connecticut River from Old Saybrook to Essex, Connecticut, in September 2012. Approximately 230 linear kilometers of digital...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic Continental Margin of the...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
These data were compiled to model the area of exposed, bare sand along 168 km of the Colorado River between Glen Canyon Dam and Bright Angel Creek, Arizona. Objective(s) of our study were to...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
Geophysical and geological survey data were collected off Town Neck Beach in Sandwich, Massachusetts, in May and July 2016. Approximately 130 linear kilometers of subbottom (seismic-reflection)...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The data in this layer are from a number of published and unpublished sets produced by the Bigelow Laboratory. The source projects were conducted primarily to examine contaminant (e.g. trace...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal sea floor. Bathymetric data,...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal sea floor. Bathymetric and...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The grain size of sediment on the riverbed was measured during 21 surveys on the Elwha River, Washington, between 2006 and 2022. Most data were collected along the same transects where channel...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
This portion of the data release presents sediment grain-size data from samples collected on the Elwha River delta, Washington, in July 2017 (USGS Field Activity 2017-638-FA). Surface sediment was...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
This GIS layer contains a polygon overlay showing the distribution of Total Organic Carbon (TOC) in the sediments of Long Island Sound.
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
In 2015, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center (USGS SPCMSC) conducted sediment sampling surveys on and around the barrier islands of Dauphin...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
Accurate data and maps of sea-floor geology are important first steps toward protecting habitat, delineating marine resources, and assessing environmental changes due to natural or human effects....
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
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 2018-648-FA). Surface sediment was...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Massachusetts Office of Coastal Zone Management (MA CZM), is producing...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03
