Catalog - Data.gov

Found 12 datasets matching "Porewater Nitrate + Nitrite".

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: 131.25 | 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: 120.58 | Views last month: 0
Federal
Seasonal and spatial variation in the location and reactivity of a nitrate-contaminated groundwater discharge zone in a lakebed
- Organization: Department of the Interior
- Updated: 2020-08-31T00:00:00Z
The U.S. Geological Survey Toxic Substances Hydrology Program at Cape Cod has been investigating the fate and transport of a treated-wastewater, groundwater contaminant plume. A portion of the...
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Search relevance: 79.05 | Views last month: 1
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: 74.40 | Views last month: 0
Federal
Natural gradient, lakebed tracer tests using nitrite in a nitrate-contaminated groundwater discharge zone in Ashumet Pond, Massachusetts
- Organization: Department of the Interior
- Updated: 2020-08-31T00:00:00Z
The U.S. Geological Survey Toxic Substances Hydrology Program at Cape Cod has been investigating the fate and transport of a treated-wastewater, groundwater contaminant plume. A portion of the...
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Search relevance: 71.13 | 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: 68.30 | 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: 43.09 | 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...
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Search relevance: 41.61 | 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: 34.54 | Views last month: 0
Federal
Salinity, temperature, oxygen, sediment characterization, hydrocarbon characterization, heavy metal contaminant concentration, total organic carbon, porewater chemistry, and infaunal taxonomic identifications and counts collected during the Gulf of Mexico Comprehensive Synthetic Based Muds Monitoring Program between July 29, 2000 and May 20, 2002 (NCEI Accession 0069470)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2010-12-20T00:00:00.000+00:00
The objective of this study was to assess the fate and physical, chemical, and biological effects of synthetic based drilling mud cuttings discharged from offshore platforms on the benthic...
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Search relevance: 25.60 | 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: 14.64 | Views last month: 0
Federal
Data collected in support of the Minerals Management Service-supported Deepwater Program: Northern Gulf of Mexico Continental Slope Habitat and Benthic Ecology, 1999 - 2003
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-01-03T00:00:00.000+00:00
This dataset includes data collected in support of the Minerals Management Service-supported program entitled "The Deepwater Program: Northern Gulf of Mexico Continental Slope Habitat and Benthic...
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Search relevance: 12.15 | Views last month: 0

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