Catalog - Data.gov

Found 21 datasets matching "Hydrogen (sediments)".

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...
- none
- none
- none
- none
- none
- none
Search relevance: 62.38 | Views last month: 0
Federal
Aztec Reservoir #1 Sediment descriptions
- Organization: Department of the Interior
- Updated: 2020-08-25T00:00:00Z
These data provide the initial field observations of reservoir sediments including grain size, color, bioturbation, redox indicators, and reaction with hydrogen peroxide and hydrochloric acid.
- xml
- xml
Search relevance: 58.31 | Views last month: 0
Federal
Sediment inorganic chemistry data and sediment descriptions
- Organization: Department of the Interior
- Updated: 2023-02-13T00:00:00Z
Four sediment cores were collected from the San Juan Generation Station reservoir. The sediments from each of these cores were described for physical properties and analyzed for inorganic...
- xml
- xml
Search relevance: 57.12 | Views last month: 0
Federal
Sediment Chemistry and Physical Properties from Sediments in the Aztec Drinking Water Reservoir #1
- Organization: Department of the Interior
- Updated: 2020-08-25T00:00:00Z
The elemental concentration over time of sediments from four trenches from the Aztec drinking water reservoir #1. The source of water to the reservoir is the Animas River, which has historical...
- xml
- xml
Search relevance: 56.68 | Views last month: 0
Federal
Farmington Lake Sediment Descriptions and Sediment Chemistry
- Organization: Department of the Interior
- Updated: 2021-01-22T00:00:00Z
These data provide the initial field observations of reservoir sediments, from cores collected in November 2019, including grain size, color, bioturbation, redox indicators, and reaction with...
- xml
- xml
Search relevance: 55.23 | Views last month: 0
Federal
Sedimentary geochemistry of a deepwater slope environment of southern Lake Tanganyika
- Organization: Department of the Interior
- Updated: 2022-08-11T00:00:00Z
This dataset contains geochemical data (Total Inorganic Carbon, Total Organic Carbon, Total Nitrogen, δ13C of Organic Carbon, Hydrogen Index, Oxygen Index, Zirconium/Aluminum, and Magnetic...
- xml
- xml
Search relevance: 53.71 | Views last month: 0
Federal
Rates of denitrification and porewater nutrient concentrations at a saltmarsh in Alabama from 2015-04 to 2016-10 (NCEI Accession 0219938)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-09-30T00:00:00.000+00:00
This dataset is generated from a study of a saltmarsh on Dauphin Island (30º15.43’N, 88º07.438’W) that is dominated by Spartina alterniflora and is interspersed with Juncus roemerianus. Tides are...
- none
- none
- none
- none
- none
- none
Search relevance: 39.39 | Views last month: 0
Federal
Water column and sediment geochemical data taken by bottle and bottom samples from NOAA Ship Ronald H. Brown in the southeastern U.S. Atlantic margin from 2019-04-10 to 2019-04-29 (NCEI Accession 0242497)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-11-01T00:00:00.000+00:00
This dataset contains water column and sediment geochemical data collected taken by bottle and bottom samples from NOAA Ship Ronald H. Brown (cruise RB19-03) in the southeastern U.S. Atlantic...
- none
- none
- none
- none
- none
- none
- +1 more
Search relevance: 17.16 | Views last month: 0
Federal
Water column and sediment geochemical data taken by bottle and bottom samples from research vessel Atlantis (cruise AT41) in the southeastern U.S. Atlantic margin from 2018-08-21 to 2018-08-31 (NCEI Accession 0242498)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-11-02T00:00:00.000+00:00
This dataset contains water column and sediment geochemical data taken by bottle and bottom samples from research vessel Atlantis (cruise AT41) in the southeastern U.S. Atlantic margin in August...
- none
- none
- none
- none
- none
- none
- +1 more
Search relevance: 15.09 | Views last month: 0
Federal
Methane (CH4), Sulfate (SO4 2-), and others collected from E/V Nautilus in NE Pacific and Cascadia Margin from 2020-09-28 to 2020-09-30 (NCEI Accession 0276512)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-07T00:00:00.000+00:00
These data were collected from sediment at two separate ~1000m deep methane seeps on the Cascadia Margin. Sediment cores were collected at the seeps and then at increasing distance from the areas...
- none
- none
- none
- none
- none
- none
Search relevance: 14.95 | Views last month: 0
Federal
Saltmarsh carbon and nitrogen cycling nutrient data in two northern Gulf of Mexico saltmarsh plants from 2017-2018 (NCEI Accession 0209238)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-05-08T00:00:00.000+00:00
This dataset contains salt marsh nutrient data to determine the biogeochemical impact of elevated nutrient loading on ecosystem carbon dynamics and nitrate reduction pathways (denitrification and...
- none
- none
- none
- none
- none
- none
Search relevance: 14.17 | Views last month: 0
Federal
Sediment quality in depositional areas of Shelikof Strait and outermost Cook Inlet, July 1997 - July 1998 (NCEI Accession 0000702)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-01-03T00:00:00.000+00:00
The Minerals Management Service (MMS) program "Sediment Quality in Depositional Areas of Shelikof Strait and Outermost Cook Inlet," consisted of a two-year study whose hypotheses and objectives...
- none
- none
- none
- none
- none
- none
- +1 more
Search relevance: 13.23 | Views last month: 0
Federal
NCCOS Assessment: Orthoimagery, vegetation, and sediment characteristics in Susquehanna River, Chesapeake Bay on 20230516 (NCEI Accession 0303869)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-05T00:00:00.000+00:00
This dataset contains imagery, GPS coordinates, elevation data, types of vegetation, and sediment characteristics collected from Fishing Battery Island. This island was revisited to evaluate...
- none
- none
- none
- none
- none
- none
- +3 more
Search relevance: 13.22 | Views last month: 0
Federal
Sediment grain sizes, Quaternary Ammonium Compounds (QACs), and others collected from RV Donald W Pritchard in Hempstead Bay, New York from 2013-02-11 to 2014-06-06 (NCEI Accession 0166078)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-09-27T00:00:00.000+00:00
Measurements of sewage-derived compounds (QACs, which include personal care products) in grab samples of sediments of Hempstead Bay, NY, approximately 100 days to 20 months after Superstorm Sandy.
- none
- none
- none
- none
- none
- none
- +1 more
Search relevance: 12.65 | Views last month: 0
Federal
NCCOS Assessment: Orthoimagery and sediment core description data in Galveston Bay, Texas from 20231010 to 20231011 (NCEI Accession 0303740)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-04-29T00:00:00.000+00:00
This dataset contains imagery, GPS coordinates, elevation data, and sediment characteristics collected from three historical marsh mound restoration projects in Galveston Bay, Texas. These three...
- none
- none
- none
- none
- none
- none
- +2 more
Search relevance: 12.46 | Views last month: 0
Federal
Temperature, Salinity, pH, Oxygen, Inorganic and Organic Nitrogen, Phosphorus and Carbon, Suspended Sediments and Chlorophyll-a data for the Mobile Bay and Mississippi Sound from 2020-05-28 to present (NCEI Accession 0277234)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-04-04T00:00:00.000+00:00
Twenty-six surveys were carried out under the NOAA “RESTORE” project from 2020-present. The main objective of this project was to determine the spatial and temporal variability of parameters in...
- none
- none
- none
- none
- none
- none
- +4 more
Search relevance: 9.17 | Views last month: 0
Federal
Denitrification Capacity of a Natural and a Restored Marsh in the Northern Gulf of Mexico from 2014-02-27 to 2015-02-26 (NCEI Accession 0223379)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-01-13T00:00:00.000+00:00
This dataset includes denitrification rates across a typical northern Gulf of Mexico salt marsh landscape that included a natural marsh, a tidal creek, and a 21-year-old restored salt marsh....
- none
- none
- none
- none
- none
- none
- +1 more
Search relevance: 8.25 | Views last month: 0
Federal
Phytoplankton, chemical, physical, and other data were collected using bottle, CTD casts, and other instruments in the North Sea as part of the North Sea Project, 15 April 1988 - 30 July 1991 (NCEI Accession 9300008)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-15T00:00:00.000+00:00
Phytoplankton, chemical, physical, and other data were collected using bottle, current meter, net, pump, and CTD casts in the North Sea from April 15, 1988 to July 30, 1991. Data were submitted by...
- none
- none
- none
- none
- none
- none
- +2 more
Search relevance: 8.25 | Views last month: 0
Federal
Water quality data from the State of Hawaii Department of Health in Hawaiian waters from 1973 to 2006
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-16T00:00:00.000+00:00
Water quality data from were collected by the Monitoring Section of the State of Hawaii, Department of Health. Data were obtained from 373 state-wide coastal stations employing well-established...
- none
- none
- none
- none
Search relevance: 7.05 | Views last month: 0
Federal
Oceanographic, surface meteorological, and chemical water quality parameter data collected from moored Real-time Coastal Observation Network (ReCON) buoys in the Great Lakes region by NOAA Great Lakes Environmental Research Laboratory since 2004
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-10-27T00:00:00.000+00:00
NOAA Great Lakes Environmental Research Laboratory has collected observations from in-situ Real-time Coastal Observation Network (ReCON) moored buoys during the open water season, in the Great...
- none
- none
- none
- none
- html
- html
- +4 more
Search relevance: 6.37 | Views last month: 0

Filter selections are applied on each click