Catalog - Data.gov

Found 14 datasets matching "Porewater pH".

Federal
Redox potential (Eh), pH, and other measurements performed in the Lake Hazen, Skeleton Lake and Pond1 from 2014-05-24 to 2015-07-26 (NCEI Accession 0171496)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-03-23T00:00:00.000+00:00
This dataset consists of measurements of pH, redox potential, H2S and dissolved oxygen from core samples that were taken from Lake Hazen, Skeleton Lake and Pond1 between Spring 2014 and Summer...
- none
- none
- none
- none
- none
- none
Search relevance: 59.40 | Views last month: 0
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...
- none
- none
- none
- none
- none
- none
- +6 more
Search relevance: 53.09 | Views last month: 0
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...
- xml
- xml
Search relevance: 50.34 | Views last month: 0
Federal
Data Collected to Evaluate Sources, Fate, and Mobility of Per- and Polyfluoroalkyl Substances (PFAS) at Cannon Air Force Base, New Mexico
- Organization: Department of the Interior
- Updated: 2024-09-30T00:00:00Z
Soil, soil porewater, groundwater, and playa lake sediment samples were collected between September 2021 and November 2023 at Cannon Air Force Base (CAFB) in eastern New Mexico as part of a study...
- xml
- xml
Search relevance: 48.19 | Views last month: 0
Federal
Per- and polyfluoroalkyl substances (PFAS), volatile organic compounds, biogeochemical, and water quality data from seep samples, Lower Darby Creek Area Superfund Site, near Folcroft, Pennsylvania, 2024
- Organization: Department of the Interior
- Updated: 2025-01-23T00:00:00Z
This metadata record contains one table and one shapefile with results from field sampling at locations of groundwater discharge (seeps) identified by autonomous boat survey at the Lower Darby...
- xml
- xml
Search relevance: 47.63 | 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...
- xml
- xml
Search relevance: 37.65 | Views last month: 0
Federal
Pilot Study of Per- and Polyfluoroalkyl Substances (PFAS) Infiltration to Shallow Groundwater Through Selected Soils in New Hampshire, 2023
- Organization: Department of the Interior
- Updated: 2023-12-27T00:00:00Z
In a study conducted by the U.S. Geological Survey (USGS) and the New Hampshire Department of Environmental Services, detectable concentrations of per- and polyfluoroalkyl substances (PFAS) were...
- xml
- xml
Search relevance: 34.56 | 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...
- none
- none
- none
- none
- none
- none
- +4 more
Search relevance: 30.46 | 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...
- xml
- xml
Search relevance: 16.89 | Views last month: 0
Federal
US Environmental Protection Agency National Coastal Assessment for American Samoa 2004: water quality, sediment grain, and chemistry data (NCEI Accession 0000455)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2001-05-10T00:00:00.000+00:00
In 2004, the Environmental Protection Agency (EPA) Environmental Monitoring and Assessment Program (EMAP) National Coastal Assessment (NCA), coordinated through the Gulf Ecology Division,...
- none
- none
- none
- none
- none
- none
Search relevance: 16.58 | 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...
- none
- none
- none
- none
- none
- none
- +7 more
Search relevance: 15.14 | 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...
- none
- none
- none
- none
- none
- none
Search relevance: 13.58 | Views last month: 0
Federal
Quality controlled water, sediment, tissue, and tar/oil chemistry analyses from the Deepwater Horizon (DWH) oil spill event in the Gulf of Mexico from 2010-04 to 2011-06, sourced from NOAA's Query Manager data management system (NCEI Accession 0108924)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-11-15T00:00:00.000+00:00
This collection includes 4 data files (one each for water, sediment, tissue, and tar/oil analyses) containing data from the Deepwater Horizon (DWH) Oil Spill Event Response Phase. These data are...
- none
- none
- none
- none
- none
- none
- +1 more
Search relevance: 9.78 | 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...
- none
- none
- none
- none
- none
- none
- +1 more
Search relevance: 6.07 | Views last month: 0

Filter selections are applied on each click