Catalog - Data.gov

Found 255 datasets matching "nutrient analyzer".

Federal
Experimental evaluation of nutrient and disease treatment effects on Acropora cervicornis (NCEI Accession 0299892)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-12-20T00:00:00.000+00:00
Acropora cervicornis fragments of each genotype were evenly and haphazardly assigned to two nutrient treatments: ambient nutrients (Ambient) or elevated ammonium (NH4). Each nutrient treatment...
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Search relevance: 57.73 | Views last month: 0
Federal
Discrete profile and surface underway measurements of carbonate chemistry and others hydrographic and chemical parameters, collected during R/V Neeskay and R/V Osprey cruises in Lake Michigan from 2017-05-01 to 2022-04-30 (NCEI Accession 0259963)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-09-29T00:00:00.000+00:00
This dataset consists of discrete profile and surface underway measurements of carbonate chemistry and others hydrographic and chemical parameters, collected during R/V Neeskay and R/V Osprey...
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Search relevance: 54.37 | Views last month: 0
Federal
S-MODE L2 Shipboard SUNA nitrate data Version 1
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset contains Submersible Ultraviolet Nitrate Analyzer (SUNA) nitrate measurements taken during the Sub-Mesoscale Ocean Dynamics Experiment (S-MODE) pilot campaign conducted approximately...
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Search relevance: 52.93 | Views last month: 1
Federal
Water temperature, salinity, nutrients, radium isotopes, and other parameters taken by CTD from the research vessel Onnuri in the Yellow and East China Seas from 2017-02-07 to 2017-02-14 (NCEI Accession 0200368)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-08-26T00:00:00.000+00:00
This dataset contains water temperature, salinity, and other parameters taken by CTD and water samples from research vessel Onnuri of the Korean Institute of Ocean Science and Technology in the...
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Search relevance: 46.78 | Views last month: 0
Federal
Data to investigate measurement of nutrients in saline and hypersaline waters by discrete analyzer colorimetry without matrix matched calibration standards
- Organization: Department of the Interior
- Updated: 2020-08-26T00:00:00Z
The dataset consists of two spreadsheets of data for water samples of varying salinity. One spreadsheet contains measured concentrations of nutrients in filtered water samples that were corrected...
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Search relevance: 33.94 | Views last month: 0
Federal
Nitrogen Rate Study for Greenhouse gas Reduction through Agricultural Carbon Enhancement network in Fort Collins, Colorado
- Organization: Department of Agriculture
- Updated: 2025-11-22
Nitrogen Rate Study for Greenhouse gas Reduction through Agricultural Carbon Enhancement network in Fort Collins, Colorado Nitrogen fertilization is essential for optimizing crop yields; however,...
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Search relevance: 33.67 | Views last month: 1
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: 32.86 | Views last month: 0
Federal
Water temperature, salinity, oxygen, silicate, nitrate, and other physical and hydrochemical parameters taken by CTD and Niskin bottle samples from research vessels L'Atalante, Meteor, Maria S. Merian, and Islandia in the Atlantic and Pacific Oceans from 2007-01-20 to 2017-05-06 (NCEI Accession 0206154)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-11-04T00:00:00.000+00:00
This dataset contains hydrochemistry (nutrient concentrations (silicate, nitrate, nitrite, ammonium, phosphate), dissolved and particulate organic nutrients, stable isotope tracers, N2=...
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Search relevance: 21.25 | Views last month: 0
Federal
Fiber-optic distributed temperature sensing, seepage meter, vertical temperature profiler, water level, water quality, and streambed thermal property data collected to better understand groundwater and surface water connectivity at two sites in the Illinois River Basin
- Organization: Department of the Interior
- Updated: 2024-10-09T00:00:00Z
As part of the US Geological Survey's Next Generation Water Observing Systems Program (NGWOS) Research and Development efforts in the Illinois River Basin, two intensive technology 'testbed'...
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Search relevance: 18.58 | Views last month: 0
Federal
Discrete profile measurements of dissolved inorganic carbon, total alkalinity and other hydrographic and chemical data during the R/V Meteor cruise M116/1 (EXPOCODE 06M320150501) in the Tropical Atlantic Ocean from 2015-05-01 to 2015-06-03 (NCEI Accession 0170657)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-03-28T00:00:00.000+00:00
This dataset includes profile discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, temperature, salinity, oxygen, nutrients and CFCs obtained during the R/V Meteor...
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Search relevance: 17.99 | Views last month: 0
Federal
Southern Ocean CO2 Machine Learning data products (SOCOML) from 1972-11-20 to 2025-02-23 (NCEI Accession 0309237)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-11-10T00:00:00.000+00:00
This dataset consists of a comprehensive, quality-controlled reconstruction of key carbonate system parameters in the Southern Ocean interior—including total alkalinity (TA), dissolved inorganic...
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Search relevance: 15.19 | 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: 14.43 | Views last month: 0
Federal
Dissolved inorganic carbon, total alkalinity, pH, dissolved oxygen, and nutrients collected from profile, discrete sampling, and time series observations using CTD, Niskin bottle, and other instruments from R/V Gulf Challenger near a buoy off the coast of New Hampshire, U.S. in the Gulf of Maine from 2011-01-11 to 2015-11-18 (NCEI Accession 0142327)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-02-17T00:00:00.000+00:00
This dataset contains discrete measurements of dissolved inorganic carbon, total alkalinity, pH, dissolved oxygen, and nutrients collected at the buoy off the coast of New Hampshire in the years...
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Search relevance: 13.86 | Views last month: 0
Federal
Discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TALK), salinity, nutrients and temperature during the CCGS John P. Tully and CCGS Vector time series cruises in the Strait of Georgia of the North American Pacific coast in 2003 and between 2010 and 2012 (NCEI Accession 0173514)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-04-26T00:00:00.000+00:00
This dataset consists of discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TALK), salinity, nutrients and temperature during the CCGS John P. Tully and CCGS...
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Search relevance: 13.63 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC), total alkalinity, pH on total scale, temperature, salinity, oxygen, nutrients and other measurements collected from discrete samples and profile observations during the R/V Ryofu Maru III cruise rf201604 (EXPOCODE 49UP20160427), in the North Pacific Ocean from 2016-04-27 to 2016-06-01 (NCEI Accession 0209195)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-03-14T00:00:00.000+00:00
This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, pH on total scale, temperature, salinity, oxygen and nutrients collected during the R/V...
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Search relevance: 13.04 | Views last month: 0
Federal
Discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), temperature, salinity, oxygen, nutrients and other parameters during the M/V Tiglax Seward Line cruises TXS09 and TXF09 (EXPOCODEs: 33A020090503 and 33A020090914) in the Gulf of Alaska, North Pacific Ocean from 2009-05-03 to 2009-09-19 (NCEI Accession 0210032)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-12-09T00:00:00.000+00:00
This dataset includes chemical data from discrete samples and accompanying physical data from a profiling CTD collected during the USFWS M/V Tiglax Seward Line cruises TXS09 and TXF09 (EXPOCODEs:...
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Search relevance: 13.04 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC), total alkalinity, water temperature, salinity, dissolved oxygen, nutrients and other hydrographic and chemical data collected from discrete samples and profile observations during the R/V Marion-Dufresne cruise (EXPOCODE 35MF19821003) in the Red Sea from 1982-10-03 to 1982-10-07 (NCEI Accession 0233259)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-05-20T00:00:00.000+00:00
This archive package includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, water temperature, salinity, dissolved oxygen and nutrients collected from...
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Search relevance: 12.92 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC), total alkalinity, pH on total scale, temperature, salinity, oxygen, nutrients and other measurements collected from discrete samples and profile observations during the R/V Ryofu Maru III cruise rf201705 (EXPOCODE 49UP20170425), in the North Pacific Ocean from 2017-04-25 to 2017-05-08 (NCEI Accession 0209209)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-03-14T00:00:00.000+00:00
This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, pH on total scale, temperature, salinity, oxygen and nutrients collected during the R/V...
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Search relevance: 12.92 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC), total alkalinity, temperature, salinity, dissolved oxygen, nutrients and other measurements collected from discrete samples and profile observations during the R/V Aegaeo PERSEUS_2013 cruise (EXPOCODE 36AE20131004) in the Aegean Sea from 2013-10-04 to 2013-10-09 (NCEI Accession 0217305)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-08-21T00:00:00.000+00:00
This dataset includes discrete profile data collected during the R/V Aegaeo PERSEUS_2013 cruise (EXPOCODE 36AE20131004) in the Aegean Sea from 2013-10-04 to 2013-10-09. These data include...
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Search relevance: 12.92 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC), total alkalinity, water temperature, salinity and other variables collected from discrete samples and profile observations during the R/V Celtic Explorer research cruise (EXPOCODE 45CE20190524) in the North Atlantic Ocean from 2019-05-24 to 2019-06-05 (NCEI Accession 0282196)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-09-01T00:00:00.000+00:00
This dataset includes discrete profile measurements of dissolved inorganic carbon, total alkalinity, water temperature, salinity, collected during the R/V Celtic Explorer research cruise (EXPOCODE...
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Search relevance: 12.92 | Views last month: 0

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