Catalog - Data.gov

Found 18 datasets matching "CHN Analyzer".

Federal
Delta-X: Particulate Organic Carbon Concentration from Water Samples, MRD, LA, 2021
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
This dataset provides measurements of particulate organic carbon (POC) concentrations made on water samples collected during 2021 in surface waters of the Atchafalaya River and Terrebonne Basins,...
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Search relevance: 45.20 | Views last month: 0
Federal
Post-fire Recovery of Soil Organic Layer Carbon in Canadian Boreal Forests, 2015-2018
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
This dataset provides site moisture, soil organic layer thickness, soil organic carbon, nonvascular plant functional group, stand dominance, ecozone, time-after-fire, jack pine proportion, and...
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Search relevance: 39.49 | Views last month: 0
Federal
Sediment grain sizes, Quaternary Ammonium Compounds (QACs), and others collected from RV Donald W Pritchard in Hempstead Bay, New York from 2013-02-11 to 2014-06-06 (NCEI Accession 0166078)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-09-27T00:00:00.000+00:00
Measurements of sewage-derived compounds (QACs, which include personal care products) in grab samples of sediments of Hempstead Bay, NY, approximately 100 days to 20 months after Superstorm Sandy.
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Search relevance: 34.28 | Views last month: 0
Federal
NCCOS Assessment: Orthoimagery and sediment core description data in Galveston Bay, Texas from 20231010 to 20231011 (NCEI Accession 0303740)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-04-29T00:00:00.000+00:00
This dataset contains imagery, GPS coordinates, elevation data, and sediment characteristics collected from three historical marsh mound restoration projects in Galveston Bay, Texas. These three...
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Search relevance: 28.61 | Views last month: 0
Federal
NCCOS Assessment: Orthoimagery, vegetation, and sediment characteristics in Susquehanna River, Chesapeake Bay on 20230516 (NCEI Accession 0303869)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-05T00:00:00.000+00:00
This dataset contains imagery, GPS coordinates, elevation data, types of vegetation, and sediment characteristics collected from Fishing Battery Island. This island was revisited to evaluate...
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Search relevance: 24.56 | Views last month: 0
Federal
Delta-15 Nitrogen values from all shores of Maui and benthic, algae, and urchin data from Kahekili, West Maui, 2007-2009 (NCEI Accession 0068665)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2010-11-17T00:00:00.000+00:00
The Hawaii Division of Aquatic Resources (DAR) established an Herbivore Fisheries Management Area (HFMA) in front of Kahekili Beach Park in West Maui that was effective on July 25th 2009. The...
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Search relevance: 24.35 | Views last month: 0
Federal
Temperature, Salinity, pH, Oxygen, Inorganic and Organic Nitrogen, Phosphorus and Carbon, Suspended Sediments and Chlorophyll-a data for the Mobile Bay and Mississippi Sound from 2020-05-28 to present (NCEI Accession 0277234)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-04-04T00:00:00.000+00:00
Twenty-six surveys were carried out under the NOAA “RESTORE” project from 2020-present. The main objective of this project was to determine the spatial and temporal variability of parameters in...
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Search relevance: 22.92 | Views last month: 0
Federal
Long Island Sound Environmental Studies; 1991-10-01 to 1998-10-01 (NCEI Accession 9900223)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-16T00:00:00.000+00:00
This CD-ROM (Compact Disk - Read Only Memory) contains sidescan sonar, high-resolution seismic-reflection, bathymetric, textural, and bibliographic data and interpretations collected, compiled,...
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Search relevance: 20.09 | Views last month: 0
Federal
Physical, chemical, and biological water quality data and CTD casts collected from small boats in Saginaw Bay, Lake Huron in the Great Lakes region from 2008-05-12 to 2010-10-13 (NCEI Accession 0220469)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-10-19T00:00:00.000+00:00
This dataset includes physical, chemical, and biological water sampling data collected in Saginaw Bay, Lake Huron from 2008 to 2010. These data were collected to aid in the understanding of...
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Search relevance: 19.43 | Views last month: 0
Federal
Long Island Sound Environmental Studies; 1991-10-01 to 1998-10-01 (NCEI Accession 9900223)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-16T00:00:00.000+00:00
This CD-ROM (Compact Disk - Read Only Memory) contains sidescan sonar, high-resolution seismic-reflection, bathymetric, textural, and bibliographic data and interpretations collected, compiled,...
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Search relevance: 19.24 | Views last month: 0
Federal
Physical, chemical, and biological water quality data and CTD casts collected from NOAA R/V Shenehon in Saginaw Bay, Lake Huron in the Great Lakes region from 1991-04-12 to 1996-09-20 (NCEI Accession 0218895)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-09-16T00:00:00.000+00:00
This dataset includes physical and chemical data collected in Saginaw Bay, Lake Huron from 1991 to 1996. All of these data were collected as part of a larger effort to monitor and assess the...
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Search relevance: 18.65 | 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: 18.08 | Views last month: 0
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: 16.89 | 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: 16.54 | Views last month: 0
Federal
Physical, chemical, and biological water quality monitoring data to support detection of Harmful Algal Blooms (HABs) in Saginaw Bay, Lake Huron, Great Lakes 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: 2024-12-19T00:00:00.000+00:00
Blooms of nuisance and toxic cyanobacteria, referred to as cyanobacteria harmful algal blooms (cHABs), occur seasonally in Saginaw Bay, Lake Huron, and pose a threat to human health, affect the...
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Search relevance: 12.92 | Views last month: 0
Federal
CARIACO Ocean Time-Series data collected in the Cariaco Basin since 1995
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-23T00:00:00.000+00:00
This collection includes surface primary production (carbon fixation rates by photosynthesis of planktonic algae), regional hydrography, physical forcing variables (such as the wind), and the...
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Search relevance: 8.43 | Views last month: 2
Federal
CARIACO Ocean Time-Series data collected in the Cariaco Basin since 1995
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-23T00:00:00.000+00:00
This collection includes surface primary production (carbon fixation rates by photosynthesis of planktonic algae), regional hydrography, physical forcing variables (such as the wind), and the...
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Search relevance: 8.35 | Views last month: 0
Federal
Oceanographic, surface meteorological, and chemical water quality parameter data collected from moored Real-time Coastal Observation Network (ReCON) buoys in the Great Lakes region by NOAA Great Lakes Environmental Research Laboratory since 2004
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-10-27T00:00:00.000+00:00
NOAA Great Lakes Environmental Research Laboratory has collected observations from in-situ Real-time Coastal Observation Network (ReCON) moored buoys during the open water season, in the Great...
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Search relevance: 4.04 | Views last month: 0

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