Catalog - Data.gov

Found 132 datasets matching "Particulate organic matter carbon".

Federal
NARSTO EPA Supersite (SS) Fresno, Particulate Matter (PM) 2.5 Organic and Elemental Carbon Data
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
NARSTO_EPA_SS_FRESNO_PM25_OC_EC is the North American Research Strategy for Tropospheric Ozone (NARSTO) Environmental Protection Agency (EPA) Supersite (SS) Fresno, Particulate Matter (PM) 2.5...
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Search relevance: 201.38 | Views last month: 1
Federal
Light-absorbing organic carbon from prescribed and laboratory biomass burning and gasoline vehicle emissions
- Organization: U.S. Environmental Protection Agency
- Updated: 2017-06-01
This dataset is a compilation of optical properties of the organic fraction of particulate matter emitted from prescribed burning and from gasoline vehicles. This dataset is associated with the...
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Search relevance: 159.43 | Views last month: 0
Federal
Phytoplankton, primary production, POC, PON, POM collected from the research vessel Antea in the Equatorial Pacific Ocean from 2023-10-06 to 2023-10-25 (NCEI Accession 0297572)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-09-25T00:00:00.000+00:00
This dataset contains water samples from different depths between 150m and the surface to determine a number of parameters related to phytoplankton, primary production, particulate organic matter,...
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Search relevance: 153.59 | Views last month: 0
Federal
Ocean chemistry and other data from NOAA Ship OCEANOGRAPHER in the Pacific Ocean from 1975-08-21 to 1976-04-14 (NCEI Accession 7800203)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-09-11T00:00:00.000+00:00
This dataset includes chemistry data from NOAA Ship Oceanographer in the North Pacific Ocean from 1975-08-21 to 1976-04-14. Data has been processed by NODC to the NODC standard Chemistry (F069)...
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Search relevance: 133.75 | Views last month: 0
Federal
OXYGEN - PERCENT SATURATION, PARTICULATE ORGANIC CARBON and other data from NOAA Ship OCEANOGRAPHER from 1975-08-29 to 1976-04-07 (NCEI Accession 7800256)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-09-11T00:00:00.000+00:00
This dataset includes chemistry data from NOAA Ship Oceanographer in the North Pacific Ocean from 1975-08-29 to 1976-04-07. Data has been processed by NODC to the NODC standard Chemistry (F069)...
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Search relevance: 133.75 | Views last month: 0
Federal
OXYGEN - PERCENT SATURATION, PARTICULATE ORGANIC CARBON and other data from NOAA Ship OCEANOGRAPHER from 1975-08-29 to 1976-04-07 (NCEI Accession 8200062)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-08T00:00:00.000+00:00
This dataset includes chemistry data from NOAA Ship Oceanographer in the North Pacific Ocean from 1975-08-29 to 1976-04-07. Data has been processed by NODC to the NODC standard Chemistry (F069)...
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Search relevance: 133.11 | Views last month: 0
Federal
Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, PAR Sensor and other instruments from Investigator in the Indian Ocean from 2015-03-21 to 2015-03-30 (NCEI Accession 0157618)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-06-05T00:00:00.000+00:00
This dataset includes biological, chemical, discrete sample, optical, physical and profile data collected from Investigator in the Indian Ocean from 2015-03-21 to 2015-03-30. These data include...
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Search relevance: 132.14 | Views last month: 0
Federal
Dissolved inorganic carbon, pH, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using Alkalinity titrator, CTD and other instruments from POLARSTERN in the South Atlantic Ocean and Southern Oceans from 2014-12-02 to 2015-02-01 (NCEI Accession 0157620)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-12-20T00:00:00.000+00:00
This dataset includes biological, chemical, discrete sample, optical, physical and profile data collected from POLARSTERN in the South Atlantic Ocean and Southern Oceans (> 60 degrees South) from...
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Search relevance: 128.60 | Views last month: 0
Federal
Data from: Near-Surface Soil Property Responses to Forage Production in a Semiarid Region
- Organization: Department of Agriculture
- Updated: 2025-11-21
Use of perennial forages in cropping systems can improve soil quality. The length of time needed to accrue improvements in soil condition under perennial forages is unclear, particularly in...
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Search relevance: 124.18 | Views last month: 1
Federal
Physical, chemical, and biological water quality monitoring data to support detection of Harmful Algal Blooms (HABs) in western Lake Erie, collected by the Great Lakes Environmental Research Laboratory and the Cooperative Institute for Great Lakes Research since 2012
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-07-03T00:00:00.000+00:00
Blooms of nuisance and toxic cyanobacteria, referred to as cyanobacteria harmful algal blooms (cHABs), occur annually in Lake Erie and pose a threat to human health, affect the quality of life,...
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Search relevance: 116.61 | Views last month: 0
Federal
Water temperature, salinity, and other underway data collected on board the research sail boat Tara in the National Marine Sanctuary of American Samoa from 2016-11-27 to 2016-11-28 (NCEI Accession 0241960)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-11-19T00:00:00.000+00:00
This dataset includes the cruise summary report and eight data files that provide the underway data collected in the National Marine Sanctuary of American Samoa on board the research sail boat...
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Search relevance: 116.57 | Views last month: 0
Federal
Water temperature, salinity, and others collected on board the research sail boat Tara in the North Pacific Ocean off Guam from 2017-01-26 to 2017-02-04 (NCEI Accession 0241961)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-11-19T00:00:00.000+00:00
This dataset includes the cruise summary report and eight data files that provide the underway data collected off Guam on board the research sail boat Tara from 2017-01-26 to 2017-02-04. The...
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Search relevance: 116.36 | Views last month: 0
Federal
NOAA RESTORE Science Program: Effects of nitrogen sources and plankton food-web dynamics on habitat quality for the larvae of Atlantic Bluefin Tuna in the Gulf of Mexico - biogeochemistry, dissolved inorganic nutrient, mesozooplankton, phytoplankton, and bacteria data from 2017-05-10 to 2018-05-19
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-06-10T00:00:00.000+00:00
This dataset presents results from surface-tethered drifting sediment traps, zooplankton net tows, dissolved inorganic nutrient concentration analyses made on water column samples, and flow...
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Search relevance: 114.15 | Views last month: 0
Federal
NODC Standard Format Primary Productivity 2 (F049) Data, 1973-1982 (NCEI Accession 0014161)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2007-03-20T00:00:00.000+00:00
This dataset contains data from measurements of photosynthetic capacity and phytoplankton productivity. In addition to cruise information, position, date, time, sampling depths, bottom depth, and...
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Search relevance: 111.71 | Views last month: 2
Federal
ModMon Neuse River Estuary and Pamlico Sound Water Quality Monitoring from 1994-01-24 to 2022-01-22 (NCEI Accession 0294041)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-01-27T00:00:00.000+00:00
The Neuse River Estuary Water Quality Dataset is a compilation of the biological, chemical and physical water quality data that was collected along the length of the Neuse River Estuary, North...
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Search relevance: 110.68 | Views last month: 0
Federal
Calculated mercury and carbon concentrations, USGS station 254543080405401: Tamiami Canal at S-12D Near Miami, Florida, 2013-2017
- Organization: Department of the Interior
- Updated: 2020-09-17T00:00:00Z
This data release provides data for filter-passing total mercury, filter-passing methylmercury, particulate total mercury, particulate methylmercury, and dissolved organic carbon concentrations...
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Search relevance: 109.03 | Views last month: 0
Federal
Yukon Arctic Carbon Cycle Project
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
The project conducted field sampling in the Yukon River, delta and plume waters for two transects in spring/summer of 2022 and 2023 and acquisition of additional transect samples during similar...
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Search relevance: 108.42 | Views last month: 0
Federal
NODC Standard Format Marine Chemistry from In-Situ Samples (F069) Data (1974-1982) (NCEI Accession 0014192)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2007-03-21T00:00:00.000+00:00
This data type contains data from chemical analysis of seawater samples. Cruise information, position, date and time is reported for each station along with sample depth, temperature, salinity and...
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Search relevance: 106.56 | Views last month: 0
Federal
Global Fire Emissions Database, Version 4.1 (GFEDv4)
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset provides global estimates of monthly burned area, monthly emissions and fractional contributions of different fire types, daily or 3-hourly fields to scale the monthly emissions to...
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Search relevance: 101.17 | Views last month: 1
Federal
In situ optical, oceanographic and meteorological data including spectral radiance, remote sensing reflectance and other oceanographic and meteorological data collected aboard NOAA Ship Nancy Foster in the US Coastal mid-Atlantic and Western Atlantic Ocean for the JPSS dedicated VIIRS Calibration/Validation cruise from 2014-11-11 to 2014-11-20 (NCEI Accession 0156310)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-08-16T00:00:00.000+00:00
This dataset contains oceanographic and meteorological data collected during the Dedicated JPSS VIIRS Ocean Color Calibration/Validation Cruise (NF-14-09). The measured variables include optical...
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Search relevance: 98.04 | Views last month: 0

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