Catalog - Data.gov

Found 373 datasets matching "Sediment content".

Federal
Total sinking particle flux and content, Nd content, Nd and Sr isotopic composition, and radiocarbon content from sinking particle (from 2004 to 2007), and sediment samples (from 1993 to 2010) collected in NW Atlantic (NCEI Accession 0222212)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-12-05T00:00:00.000+00:00
This dataset contains total particle flux and content, Nd content and isotopic composition, and radiocarbon contents in sinking particles collected by sediment traps deployed at 3 depths on the...
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Search relevance: 134.31 | Views last month: 0
Federal
Water content and grain density analyses of sediment cores from the New England Mud Patch collected on USGS Field Activity 2016-001-FA
- Organization: Department of the Interior
- Updated: 2023-05-22T00:00:00Z
Variability in sediment properties with depth and the thickness of individual sedimentary layers are critical determinants of seabed acoustic response. The New England Mud Patch (NEMP), located...
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Search relevance: 100.99 | Views last month: 0
Federal
Sediment grain size, organic content, and Pb-210 excess activity in Coos Bay from 2021-05-17 to 2021-05-19 (NCEI Accession 0277842)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-07-07T00:00:00.000+00:00
Sediment cores were collected from intertidal flats and shallow subtidal areas throughout the Coos Bay Estuary in May 2021 using a push corer or Russian peat corer as outlined in Souza et al.,...
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Search relevance: 99.59 | Views last month: 0
Federal
Water content analyses of sediment cores from the Currituck Landslide Complex and upper slope adjacent to Baltimore Canyon collected on USGS Field Activity 2012-007-FA
- Organization: Department of the Interior
- Updated: 2023-06-05T00:00:00Z
Twenty-four piston cores (and associated trigger cores) were collected from the source zone of the Currituck Landslide Complex and upper slope adjacent to Baltimore Canyon by the U.S. Geological...
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Search relevance: 98.68 | Views last month: 0
Federal
Bulk organics and carbonate content of sediment cores from the New England Mud Patch collected on USGS Field Activity 2016-001-FA
- Organization: Department of the Interior
- Updated: 2023-05-22T00:00:00Z
Variability in sediment properties with depth and the thickness of individual sedimentary layers are critical determinants of seabed acoustic response. The New England Mud Patch (NEMP), located...
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Search relevance: 88.42 | Views last month: 0
Federal
Bulk organic matter and carbonate content of sediment cores from the Currituck Landslide Complex and upper slope adjacent to Baltimore Canyon collected on USGS Field Activity 2012-007-FA
- Organization: Department of the Interior
- Updated: 2023-06-05T00:00:00Z
Twenty-four piston cores (and associated trigger cores) were collected from the source zone of the Currituck Landslide Complex and upper slope adjacent to Baltimore Canyon by the U.S. Geological...
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Search relevance: 81.25 | Views last month: 0
Federal
Static chamber gas fluxes and carbon and nitrogen isotope content of age-dated sediment cores from a Phragmites wetland in Sage Lot Pond, Massachusetts, 2013-2015
- Organization: Department of the Interior
- Updated: 2023-03-24T00:00:00Z
Coastal wetlands are major global carbon sinks; however, quantification of carbon flux can be difficult in these heterogeneous and dynamic ecosystems. To characterize spatial and temporal...
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Search relevance: 79.18 | Views last month: 0
Federal
NOAA RESTORE Science Program: Linking Community and Food-web Approaches to Restoration: Total organic carbon and sediment grain size at natural and restored marshes along a salinity gradient generated from a freshwater diversion at West Pointe a la Hache into eastern Barataria Bay, Louisiana, 2018-05-21 to 2021-05-25 (NCEI Accession 0296021)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-12-18T00:00:00.000+00:00
This dataset contains sediment samples analyzed for percentages of total organic carbon (TOC), water content, and sediment grain size. Samples were collected at six sites at various distances from...
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Search relevance: 64.45 | Views last month: 0
Federal
Rates of vertical accretion of backbarrier marshes along the Georgia Bight as measured from sediment cores collected during December 2017 (NCEI Accession 0286629)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-01-06T00:00:00.000+00:00
This dataset includes measured sediment characteristics and vertical accretion rates of backbarrier marshes along the Georgia Bight. Data include bulk density (g/cm^3), water content (%), organic...
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Search relevance: 63.92 | Views last month: 0
Federal
Nearshore surface sediment metals, grain size, and organic carbon content, Sinclair Inlet near the Bremerton Naval Complex, 2021
- Organization: Department of the Interior
- Updated: 2024-03-27T00:00:00Z
Between May 24 and 26, 2020, five sediment samples were collected with a pre-cleaned (acid-washed) hand-push corer into WhirlPak bags for analysis of grain size and organic carbon at the USGS...
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Search relevance: 59.08 | Views last month: 0
Federal
Threshold friction velocities for aeolian transport of river-sourced sand, with related moisture content, grain size, topographic, and wind data from Lees Ferry, Arizona
- Organization: Department of the Interior
- Updated: 2022-12-01T00:00:00Z
These data were compiled to investigate the control of drying on the aeolian transport of river-sourced sand. Objectives of our study were to to examine aeolian sediment transport during a...
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Search relevance: 56.52 | Views last month: 2
Federal
Nitrate reduction rates and sediment physicochemical conditions from a natural and constructed marsh in coastal Alabama from 2018-11-30 to 2019-09-06 (NCEI Accession 0210961)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-07-10T00:00:00.000+00:00
This dataset includes nitrate reduction rates and physicochemical characteristics from sediments collected from a natural (NAT) and a 32-year-old constructed (CON-2) marsh on the Alabama (USA)...
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Search relevance: 49.31 | Views last month: 0
Federal
Mercury speciation and other constituent data for surface water and bed sediment associated with the Hamilton Airfield Wetland Restoration, Novato, California. USA
- Organization: Department of the Interior
- Updated: 2020-08-18T00:00:00Z
The Hamilton Wetland Restoration Project (HWRP) is a joint venture between the US Army Corps of Engineers (USACE; San Francisco District) and the California State Coastal Conservancy. The site is...
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Search relevance: 49.31 | Views last month: 1
Federal
Mercury speciation and other constituent data for surface water and bed sediment associated with the Hamilton Airfield Wetland Restoration, Novato, California. USA (ver. 6.0, April 2025)
- Organization: Department of the Interior
- Updated: 2025-04-22T00:00:00Z
The Hamilton Wetland Restoration Project (HWRP) is a joint venture between the US Army Corps of Engineers (USACE; San Francisco District) and the California State Coastal Conservancy. The site is...
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Search relevance: 48.99 | Views last month: 0
Federal
Mercury speciation and other constituent data for surface water and bed sediment associated with the Hamilton Airfield Wetland Restoration, Novato, California. USA.(ver. 2.0, June 2021)
- Organization: Department of the Interior
- Updated: 2022-03-15T00:00:00Z
The Hamilton Wetland Restoration Project (HWRP) is a joint venture between the US Army Corps of Engineers (USACE; San Francisco District) and the California State Coastal Conservancy. The site is...
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Search relevance: 48.64 | Views last month: 0
Federal
Polygon shapefile of the interpretation of the seabed geologic substrates in quadrangle 6 of the Stellwagen Bank National Marine Sanctuary region offshore of Boston, Massachusetts based on data collected by the U.S. Geological Survey from 1993-2004 (Geographic, NAD 83)
- Organization: Department of the Interior
- Updated: 2024-03-18T00:00:00Z
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration's National Marine Sanctuary Program, has conducted seabed mapping and related research in...
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Search relevance: 47.96 | Views last month: 0
Federal
Percent Carbon content from suspended sediment in water samples collected Whale's Tail South marsh tidal creeks in South San Francisco Bay, California, Winter 2021-2022
- Organization: Department of the Interior
- Updated: 2023-04-19T00:00:00Z
Water samples were collected in Whale's Tail South marsh tidal creeks on December 3 and 6, 2021 and January 3, 2022 and processed to determine percent carbon in the samples. The water samples were...
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Search relevance: 47.06 | Views last month: 0
Federal
Surface sediment physical parameters data collected in August 2015 from Dauphin Island and the surrounding areas
- Organization: Department of the Interior
- Updated: 2020-10-13T00:00:00Z
Scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center collected 303 surface sediment samples from Dauphin Island, Alabama, and the surrounding water bodies...
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Search relevance: 46.01 | Views last month: 0
Federal
Interpretation of the seabed geologic substrates in quadrangle 2 of the Stellwagen Bank National Marine Sanctuary region offshore of Boston, Massachusetts based on data collected by the U.S. Geological Survey from 1993-2019
- Organization: Department of the Interior
- Updated: 2024-12-16T00:00:00Z
The U.S. Geological Survey (USGS), in cooperation with the National Marine Sanctuary Program of the National Oceanic and Atmospheric Administration (NOAA), has conducted seabed mapping and related...
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Search relevance: 45.77 | Views last month: 0
Federal
Sediment and porewater nitrification and organic matter data in a Northern Gulf of Mexico marsh from 2021-05-26 to 2022-05-21 (NCEI Accession 0301084)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-02-05T00:00:00.000+00:00
We conducted a year-long study with the main objective of comparing denitrification, anammox, and dissimilatory nitrate reduction to ammonium (DNRA) across three different vegetation zones...
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Search relevance: 45.67 | Views last month: 0

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