Catalog - Data.gov

Found 12 datasets matching "Porewater Ammonium".

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...
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Search relevance: 112.26 | Views last month: 0
Federal
Ecosystem carbon exchange and nitrogen removal rates in two 33-year-old constructed salt marshes are similar to those in a nearby natural marsh 2018-11-30 to 2020-03-08 (NCEI Accession 0227949)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-04-21T00:00:00.000+00:00
We conducted a year-long study with the main objective of comparing seasonal plant productivity, ecosystem respiration (ER), denitrification, and dissimilatory nitrate reduction to ammonium (DNRA)...
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Search relevance: 100.08 | 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: 94.72 | Views last month: 0
Federal
Surface Water and Porewater Chemistry and Nitrogen Biogeochemistry of Cell 3A, Prado Wetlands, Riverside, CA, USA (2018) (ver. 2.0, April 2025)
- Organization: Department of the Interior
- Updated: 2025-04-21T00:00:00Z
Shallow, unit process open water (UPOW) constructed wetlands effectively remove a range of emerging and traditional water contaminants. Yet, much remains to be learned about internal carbon and...
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Search relevance: 54.25 | Views last month: 0
Federal
Nitrogen content and delta N-15 of marine algae and associated waters of Maui, Hawaii, from 2012-07-28 to 2014-04-01 (NCEI Accession 0156294)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-08-12T00:00:00.000+00:00
This dataset includes nutrient data related to algal and water samples collected between 2012 and 2014 on Maui, Hawaii, as part of the University of Hawaii SeaGrant Project R/HE-17. Algal tissue...
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Search relevance: 52.43 | Views last month: 0
Federal
Analyses of Select Organic and Inorganic Data Collected from Lysimeters Installed at the Bemidji Crude Oil Spill Site, Minnesota, 2018, 2019, 2021
- Organization: Department of the Interior
- Updated: 2023-08-10T00:00:00Z
The U.S. Geological Survey (USGS) collected porewater samples from nine suction lysimeters in 2018, 2019, and 2021 for analysis of organic and inorganic constituents from the National Crude Oil...
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Search relevance: 45.66 | Views last month: 0
Federal
Biogeochemical Data for Mercury and other Constituents in Surface Sediment and Deep Cores from the Hells Canyon Reservoir Complex, Idaho and Oregon 2014-2018
- Organization: Department of the Interior
- Updated: 2020-08-18T00:00:00Z
The Hells Canyon Complex (HCC) is comprised of a series of three consecutive reservoirs (Brownlee, Oxbow, and Hells Canyon) along a 145 km reach of the Snake River bordered by Idaho to the east...
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Search relevance: 40.18 | Views last month: 0
Federal
Water-Quality Data in and near Groundwater Flow-Through Kettle-Hole Lakes, Western Cape Cod, Massachusetts, 2003 - 2018
- Organization: Department of the Interior
- Updated: 2023-06-22T00:00:00Z
This U.S. Geological Survey (USGS) data release provides a comprehensive dataset of water-quality results, physical-parameter measurements, hydrologic measurements, and site information collected...
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Search relevance: 28.85 | 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....
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Search relevance: 26.98 | Views last month: 0
Federal
Sediment samples, ammonium and methane data collected during R/V Atlantis cruise AT26-13 in the northern Gulf of Mexico from 2014-03-31 to 2014-04-21 (NCEI Accession 0175003)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-08-07T00:00:00.000+00:00
This dataset contains sediment samples, ammonium concentrations and methane data collected during R/V Atlantis cruise AT26-13 in the northern Gulf of Mexico from March 31 to April 21, 2014. The...
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Search relevance: 24.39 | Views last month: 0
Federal
NCCOS Assessment: Post placement vegetation, sediment, and imagery data from Deal Island Wildlife Management area, MD, 2024-07-22 to 2025-07-29 (NCEI Accession 0310721)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-19T00:00:00.000+00:00
The Deal Island beneficial use project involved raising the marsh platform's elevation using dredged material from the lower Wicomico River. NCCOS researchers conducted intensive data collection...
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Search relevance: 13.17 | Views last month: 0
Federal
Ecosystem monitoring information collected in Hanna Shoal in the Chukchi Sea for the COMIDA CAB project from 2012-08 to 2013-08 (NCEI Accession 0123220)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-10-20T00:00:00.000+00:00
This dataset contains physical, chemical, and biological data collected during research cruises for the Hanna Shoal Ecosystem Study. The study occurred at 138 stations in the Hanna Shoal area of...
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Search relevance: 8.11 | Views last month: 0

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