Catalog - Data.gov

Found 26 datasets matching "porewater chemistry".

#1 Federal
Refugio DARP Porewater Chemistry Analysis Results (DIVER Query)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-04-15T00:00:00.000+00:00
On May 19, 2015, a pipeline owned ruptured in Santa Barbara County, California, near Refugio State Beach. An estimated 21,000 gallons of the oil flowed overland from the break site into the...
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Search relevance: 153.89 | Views last month: 0
#2 Federal
Geochemical data supporting investigation of solute and particle cycling and fluxes from two tidal wetlands on the south shore of Cape Cod, Massachusetts, 2012-19 (ver. 3.0, January 2025)
- Organization: Department of the Interior
- Updated: 2025-01-29T00:00:00Z
Assessment of geochemical cycling within tidal wetlands and measurement of fluxes of dissolved and particulate constituents between wetlands and coastal water bodies are critical to evaluating...
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Search relevance: 77.72 | Views last month: 0
#3 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: 72.71 | Views last month: 0
#4 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: 62.28 | Views last month: 0
#5 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: 61.45 | Views last month: 0
#6 Federal
EPA Data for Potential hazards of PAHs in Great Lakes tributaries using water column and porewater passive samplers and sediment equilibrium partitioning
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-06-26
Data associated with Supplementary Figures S5-S9 from Potential hazards of PAHs in Great Lakes tributaries using water column and porewater passive samplers and sediment equilibrium...
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Search relevance: 58.20 | Views last month: 1
#7 Federal
Sediment Porewater Data Set
- Organization: U.S. Environmental Protection Agency
- Updated: 2018-06-20
The data set contains a summary of all measurements that were collected at the cottage grove reservoir over the time period of the study. This dataset is associated with the following...
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Search relevance: 56.70 | Views last month: 0
#8 Federal
NCCOS Assessment: Post-hurricane assessment of chemical contaminants in nearshore waters and marine sediments at two St. John, U.S. Virgin Islands (USVI) National Parks, 2021-08-16 to 2022-03-07 (NCEI Accession 0303533)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-06T00:00:00.000+00:00
Marine sediment and water column samples were collected in nearshore habitats around the island of St. John, USVI during two sampling trips in late 2021 and early 2022 and following the landfall...
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Search relevance: 54.65 | Views last month: 0
#9 Federal
Development of High Surface Area Organosilicate Nanoparticulate Thin Films for Use in Sampling Hydrophobic Compounds in Sediment-Data
- Organization: Department of the Interior
- Updated: 2024-05-01T00:00:00Z
The data set describes the characterization of organosilica nanoparticle thin films used to adsorb PCBs from laboratory water and a sediment collected near Anniston Alabama. Data not shown here...
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Search relevance: 54.31 | Views last month: 1
#10 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: 40.93 | Views last month: 0
#11 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: 36.90 | Views last month: 0
#12 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: 35.83 | Views last month: 0
#13 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: 35.26 | Views last month: 0
#14 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: 28.80 | Views last month: 0
#15 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: 26.97 | Views last month: 0
#16 Federal
Bulk density and pore water, sediment texture and composition data from sediment cores collected aboard R/V Weatherbird II cruises WB-0812 and WB-0813 in the northern Gulf of Mexico from 2012-08-14 to 2013-08-21 (NCEI Accession 0225545)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-03-03T00:00:00.000+00:00
This dataset contains the bulk density and pore water, sediment texture and composition data from sediment cores collected aboard R/V Weatherbird II cruises WB-0812 and WB-0813 in the northern...
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Search relevance: 26.40 | Views last month: 0
#17 Federal
Gas chromatography-mass spectrometry characterization, short-lived radioisotope, and other sediment data collected aboard R/V Weatherbird cruise WB-0814 in the northern Gulf of Mexico from 2014-08-14 to 2014-08-28 (NCEI Accession 0226099)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-03-12T00:00:00.000+00:00
This dataset contains data from sediment cores collected aboard R/V Weatherbird cruise WB-0814 in the northern Gulf of Mexico from 2014-08-14 to 2014-08-28. It includes gas chromatography-mass...
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Search relevance: 23.77 | Views last month: 0
#18 Federal
Short-lived radioisotope, sediment core photographs, and bulk density and porewater data from sediment cores collected aboard R/V Weatherbird II cruises WB-0813 and WB-1405 in the Gulf of Mexico from 2013-08-15 to 2013-09-27 (NCEI Accession 0229075)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-04-22T00:00:00.000+00:00
This dataset contains short-lived radioisotope (SLRad), sediment core photographs, and bulk density/porewater data from sediment cores collected aboard R/V Weatherbird II cruises WB-0813 and...
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Search relevance: 21.67 | Views last month: 0
#19 Federal
Water temperature, salinity, and others taken by CTD, ADCP, and other instrumentation from research vessel icebreaker Xue Long in the North Pacific Ocean, Bering Sea, and Arctic Ocean from 2016-07-11 to 2016-09-26 (NCEI Accession 0221192)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-10-28T00:00:00.000+00:00
This dataset contains water temperature, salinity, and others taken by CTD, ADCP, and other instrumentation from research vessel icebreaker Xue Long in the North Pacific Ocean, Bering Sea, and...
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Search relevance: 18.97 | Views last month: 0
#20 Federal
Water temperature, salinity, nutrients, velocity, and others taken by CTD, ADCP and other instrumentation from research vessel icebreaker Xuelong in the North Pacific Ocean, Arctic Ocean, and Bering Sea from 2014-07-22 to 2014-08-04 (NCEI Accession 0221081)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-10-27T00:00:00.000+00:00
This dataset contains water temperature, salinity, nutrients, velocity, and others taken by CTD, ADCP and other instrumentation from research vessel icebreaker Xuelong in the North Pacific Ocean,...
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Search relevance: 17.75 | Views last month: 0

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