Catalog - Data.gov

Found 205 datasets matching "Discrete data collection".

Federal
Discrete measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), pH, dissolved oxygen, water temperature, salinity sampled in the National Park Service coastal sites along the Gulf Region and East Coast of the United States from 2024-07-02 to 2024-09-16 (NCEI Accession 0302738)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-03-21T00:00:00.000+00:00
This NCEI Accession consists of discrete measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), pH, dissolved oxygen, water temperature, salinity sampled in the National Park...
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Search relevance: 35.19 | Views last month: 0
Federal
Discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), pH, dissolved oxygen, water temperature, salinity sampled in the National Park Service coastal sites along the Gulf Region and East Coast of the United States from 2025-01-27 to 2025-05-01 (NCEI Accession 0308401)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-10-01T00:00:00.000+00:00
This NCEI Accession consists of discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), pH, dissolved oxygen, water temperature, salinity sampled in the National...
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Search relevance: 35.19 | Views last month: 0
Federal
SWOT Level 2 Nadir Altimeter Interim Geophysical Data Record with Waveforms - GDR Version D
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
Same as L2_NALT_GDR, using preliminary values for some auxiliary data. Uses Medium-accuracy (preliminary) Orbit Ephemeris (MOE). Available with latency of < 1.5 days. Discrete measurements at...
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Search relevance: 33.35 | Views last month: 0
Federal
SWOT Level 2 Nadir Altimeter Operational Geophysical Data Record with Waveforms - GDR Version D
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
Same as L2_NALT_GDR using predicted values for some auxiliary data, and does not have GIM ionosphere model values. Uses the onboard DORIS orbit ephemeris. Available with latency of < 7 hours....
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Search relevance: 33.20 | Views last month: 1
Federal
Discrete sample surface-water data for the Sacramento-San Joaquin River Delta
- Organization: Department of the Interior
- Updated: 2023-02-16T00:00:00Z
The goal of this study was to develop a suite of inter-related water quality monitoring approaches capable of modeling and estimating the spatial and temporal gradients of particulate and...
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Search relevance: 33.09 | Views last month: 0
Federal
ARCN Lagoons Discrete Water Quality Data, 2003-2024 (Ver. 2025-04-15)
- Organization: Department of the Interior
- Updated: 2025-04-15T00:00:00Z
This dataset consists of a snapshot in time of the discrete water quality data collected in the coastal lagoons of northwestern Alaska. This data release consists of one file, 2025-04-15 ARCN...
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Search relevance: 32.77 | Views last month: 0
Federal
Discrete, profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), salinity, oxygen, nutrients, and water temperature during the CCGS John P. Tully Line P cruise (EXPOCODE 18DD20240124) in the Northeast Pacific Ocean from 2024-01-24 to 2024-02-03 (NCEI Accession 0310718)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-16T00:00:00.000+00:00
These data were collected in the Northeast Pacific Ocean from 2024-01-24 to 2024-02-03, as part of the Line P Water Properties Survey led by Marie Robert. Discrete dissolved inorganic carbon...
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Search relevance: 32.30 | Views last month: 0
Federal
Discrete measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), temperature and salinity during the CCGS Amundsen cruises in Hudson Bay and Hudson Strait from 2018-05-31 to 2018-06-24 (NCEI Accession 0206288)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-11-01T00:00:00.000+00:00
This dataset includes discrete data collected during the CCGS Amundsen cruises in Hudson Bay and Hudson Strait from 2018-05-31 to 2018-06-24. These data include dissolved inorganic carbon (DIC),...
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Search relevance: 32.04 | Views last month: 0
Federal
Water-Quality Datasets from Synoptic Surveys in Nolin Lake, Kentucky, using an Autonomous Underwater Vehicle, Discrete Sampling, and Depth Profiles, August 2016
- Organization: Department of the Interior
- Updated: 2024-01-18T00:00:00Z
The U.S. Geological Survey (USGS), in cooperation with the U.S. Army Corps of Engineers—Louisville District conducted a pilot study on the use of an autonomous underwater vehicle (AUV) for a...
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Search relevance: 31.55 | Views last month: 0
Federal
Discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), salinity, oxygen, nutrients, and water temperature during the CCGS John P. Tully Line P cruise (EXPOCODE 18DD20210824) off the west coast of Vancouver Island from 2021-08-24 to 2021-09-07 (NCEI Accession 0300980)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-01-31T00:00:00.000+00:00
These data were collected from the west coast of Vancouver Island, between August 24th and September 7th 2021, as part of the Line P Water Properties Survey led by Marie Robert. Discrete dissolved...
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Search relevance: 31.11 | Views last month: 0
Federal
Compilation of multi-agency specific conductance observations for streams within the Chesapeake Bay watershed
- Organization: Department of the Interior
- Updated: 2023-04-12T00:00:00Z
Freshwater salinization is an emerging issue for freshwater environments in the Chesapeake Bay, USA region. Salinization is often described by measurements of specific conductance (SC). This data...
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Search relevance: 30.90 | Views last month: 3
Federal
Water Data for Nisqually River at Site NR0
- Organization: Department of the Interior
- Updated: 2020-08-27T00:00:00Z
Discharge and suspended sediment data were collected from October 2016 to Febuary 2017 at the NR0 site. Data was collected immediately down stream of Old Pacific Hwy SE bridge during a bridge...
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Search relevance: 30.55 | Views last month: 0
Federal
Inorganic nutrients, sulfide and oxygen profiles from R/V KNORR in the Black Sea from 1988-05-14 to 1988-07-25 (NCEI Accession 9400101)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2002-11-19T00:00:00.000+00:00
This data collection contains inorganic nutrient chemistry, sulfide and oxygen data collected during cruises 2 through 5 of the 1988 Black Sea Oceanographic Expedition aboard the R/V Knorr....
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Search relevance: 30.24 | Views last month: 0
Federal
Assessing spatial variability of nutrients, phytoplankton, and related water quality constituents in the California Sacramento-San Joaquin Delta during treated wastewater effluent holds: August and September 2019 high resolution mapping surveys
- Organization: Department of the Interior
- Updated: 2023-03-20T00:00:00Z
The study is comprised of daily survey data consisting of high resolution mapping and discrete sample collection of nutrients, phytoplankton, and related water quality constituents conducted in...
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Search relevance: 30.24 | Views last month: 0
Federal
Water quality vertical profile data to support embayment monitoring in Long Island Sound, Mystic and Norwalk Embayments, Connecticut, 2021-2023: U.S. Geological Survey data release
- Organization: Department of the Interior
- Updated: 2024-08-07T00:00:00Z
This data release includes vertical water-quality-profile data from April 2021 to April 2023 at four stations in the Mystic River embayment and three stations in the Norwalk River embayment in...
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Search relevance: 29.50 | Views last month: 0
Federal
High resolution and discrete temporal and spatial water-quality measurements in support of modeling mercury and methylmercury concentrations in surface waters of the Sacramento-San Joaquin River Delta
- Organization: Department of the Interior
- Updated: 2023-02-16T00:00:00Z
The Sacramento / San Joaquin River Delta (SSJRD) is contaminated with legacy mercury (Hg) from historical mining and mineral processing activities throughout the watershed, as well as from...
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Search relevance: 29.45 | Views last month: 0
Federal
Per-and Polyfluorinated Alkyl Substances (PFAS) and associated ancillary data from the Commonwealth of Pennsylvania, USA, 2019
- Organization: Department of the Interior
- Updated: 2021-03-12T00:00:00Z
The USGS Pennsylvania Water Science Center (USGS PAWSC) in cooperation with the Pennsylvania Department of Environmental Protection (PADEP) has assembled this data release in support of ongoing...
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Search relevance: 28.19 | Views last month: 0
Federal
Partial pressure (or fugacity) of carbon dioxide, dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, Coulometer for DIC measurement and other instruments from KNORR in the North Atlantic Ocean, South Atlantic Ocean and Southern Oceans from 1983-10-07 to 1984-02-19 (NCEI Accession 0117503)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-02-21T00:00:00.000+00:00
This dataset includes chemical, discrete sample, physical and profile data collected from KNORR in the North Atlantic Ocean, South Atlantic Ocean and Southern Oceans (> 60 degrees South) from...
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Search relevance: 27.82 | Views last month: 0
Federal
High-resolution spatial water-quality and discrete phytoplankton data, Owasco Lake, Seneca Lake, and Skaneateles Lake, Finger Lakes Region, New York, 2018-2019
- Organization: Department of the Interior
- Updated: 2025-09-10T00:00:00Z
From August 2018 to October 2019, the U.S. Geological Survey collected high-resolution spatial water quality from a total of five shoreline synoptic surveys conducted around the perimeters of...
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Search relevance: 27.80 | Views last month: 0
Federal
Discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), salinity, nutrients, oxygen and pH during the CCGS John P. Tully Line P cruise off the west coast of Vancouver Island from 2008-06-01 to 2008-06-11 (NCEI Accession 0302482)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-03-13T00:00:00.000+00:00
These data were collected from the west coast of Vancouver Island, between from 2008-06-01 to 2008-06-11, as part of the Line P Water Properties Survey led by Marie Robert. This cruise also...
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Search relevance: 27.34 | Views last month: 0

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