Catalog - Data.gov

Found 100 datasets matching "Discrete sampling period".

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: 49.56 | Views last month: 0
Federal
Modeled nutrient and sediment concentrations from major rivers in Illinois based on continuous monitoring from October 1, 2015, through September 30, 2020
- Organization: Department of the Interior
- Updated: 2021-05-03T00:00:00Z
During water years 2016–2020, the U.S. Geological Survey, in cooperation with the Illinois Environmental Protection Agency, operated continuous monitoring stations on eight of the major rivers in...
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Search relevance: 46.13 | Views last month: 0
Federal
Modeled nutrient and sediment concentrations from the Des Plaines River at Route 53 at Joliet, Illinois, based on continuous monitoring from October 1, 2017, through September 30, 2020
- Organization: Department of the Interior
- Updated: 2022-01-05T00:00:00Z
During the 2018–20 water years, the U.S. Geological Survey, in cooperation with the Metropolitan Water Reclamation District of Greater Chicago, operated a continuous monitoring station on the Des...
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Search relevance: 44.78 | Views last month: 0
State
i08 Stations Discrete Grab Water Quality
- Organization: State of California
- Updated: 2025-05-29T16:14:41.000Z
This is a point feature class of environmental monitoring stations maintained in the California Department of Water Resources’ (hereafter the Department) Water Data Library Database (WDL) for...
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Search relevance: 44.40 | Views last month: 0
State
i08 Stations Discrete Grab Water Quality
- Organization: State of California
- Updated: 2025-05-29T16:14:41.000Z
This is a point feature class of environmental monitoring stations maintained in the California Department of Water Resources’ (hereafter the Department) Water Data Library Database (WDL) for...
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Search relevance: 44.40 | Views last month: 0
State
i08 Stations Discrete Grab Water Quality POR
- Organization: State of California
- Updated: 2025-05-29T16:14:41.000Z
This is a point feature class of environmental monitoring stations maintained in the California Department of Water Resources’ (hereafter the Department) Water Data Library Database (WDL) for...
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Search relevance: 44.40 | Views last month: 0
Federal
PACE Radiometry and IOPs for Novel Great Lakes Science
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
The Laurentian Great Lakes provide extensive optical and trophic variability across diverse ecosystems, from environments challenged by current and legacy nutrient pollution and continuing water...
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Search relevance: 43.76 | Views last month: 0
Federal
Water-quality and stream-habitat metrics calculated for the National Water-Quality Assessment Program's Regional Stream Quality Assessment conducted in the southeast United States in support of ecological and habitat stressor models, 2014
- Organization: Department of the Interior
- Updated: 2020-08-27T00:00:00Z
This data release includes metrics from the Regional Stream Quality Assessment (RSQA) from the Southeast Region for habitat stressors related to water-quality and habitat substrate. The goals of...
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Search relevance: 42.80 | 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: 40.69 | Views last month: 0
Federal
Temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from FRANKLIN in the Indian Ocean from 1996-05-07 to 1996-05-31 (NCEI Accession 0143942)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-02-23T00:00:00.000+00:00
This dataset includes discrete sample and profile data collected from FRANKLIN in the Indian Ocean from 1996-05-07 to 1996-05-31. These data include DISSOLVED OXYGEN, HYDROSTATIC PRESSURE,...
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Search relevance: 40.34 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC), total alkalinity, partial pressure of carbon dioxide (pCO2), temperature, salinity and other variables collected from discrete samples and profile observations during the R/V Nathaniel B. Palmer cruise WOCE_S04I (EXPOCODE 320619969593) in the Indian Ocean from 1996-05-03 to 1996-07-04 (NCEI Accession 0115151)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-12-18T00:00:00.000+00:00
This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, partial pressure of carbon dioxide (pCO2), CTD temperature, salinity, dissolved oxygen,...
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Search relevance: 40.34 | Views last month: 0
Federal
Temperature, salinity, dissolved oxygen and other variables collected from discrete sample and profile observations during the R/V Aurora Australis cruise FORMEX, 09AR9501_1 (EXPOCODE 09AR19950717) in the Southern Ocean from 1995-07-17 to 1995-09-02 (NCEI Accession 0144339)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-02-26T00:00:00.000+00:00
This dataset includes discrete profile measurements of temperature, salinity, dissolved oxygen and nutrients obtained during the R/V Aurora Australis cruise FORMEX, 09AR9501_1 (EXPOCODE...
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Search relevance: 40.30 | Views last month: 0
Federal
Temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from the PELAGIA in the Bay of Biscay and North Atlantic Ocean for 1996-06-18 (NCEI Accession 0115585)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2014-01-07T00:00:00.000+00:00
This dataset includes chemical, discrete sample, physical and profile data collected from PELAGIA in the Bay of Biscay and North Atlantic Ocean from 1996-06-18 to 1996-06-18 and retrieved during...
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- +13 more
Search relevance: 39.29 | Views last month: 0
Federal
Temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from FRANKLIN in the Indian Ocean from 1995-09-13 to 1995-10-14 (NCEI Accession 0143397)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-02-19T00:00:00.000+00:00
This dataset includes discrete sample and profile data collected from FRANKLIN in the Indian Ocean from 1995-09-13 to 1995-10-14 and retrieved during cruise FA9508 and WOCE_IR06_1995. These data...
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Search relevance: 39.24 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC), total alkalinity, temperature, salinity and other variables collected from discrete samples and profile observations during the R/V Marion Dufresne cruise WOCE_I06Sb (EXPOCODE 35MF19960220) in the Indian and Southern Oceans from 1996-02-20 to 1996-03-31 (NCEI Accession 0115012)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-02-21T00:00:00.000+00:00
This dataset includes discrete sample and profile data collected from R/V Marion Dufresne cruise WOCE_I06Sb (EXPOCODE 35MF19960220) in the Indian and Southern Oceans from 1996-02-20 to 1996-03-31....
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Search relevance: 39.23 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC), total alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations during the R/V Aurora Australis cruise AA9706, WOCE_SR03_1998 (EXPOCODE 09AR19980228) in the Southern Ocean from 1998-02-28 to 1998-04-01 (NCEI Accession 0115154)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-12-18T00:00:00.000+00:00
This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, temperature, salinity, dissolved oxygen, nutrients and delta C13 obtained during the R/V...
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Search relevance: 39.20 | Views last month: 0
State
Quarterly Fishery Surveys - Salton Sea [ds428]
- Organization: State of California
- Updated: 2020-03-07T03:52:34.636Z
In the spring of 2003, California Department of Fish and Game (CDFG) personnel began quarterly sampling of Salton Sea fish at fourteen stations around the sea, as the basis of a long term...
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- +2 more
Search relevance: 38.59 | Views last month: 0
Federal
Hawaiʻi Island ʻōpeʻapeʻa random stand metrics, 2018–2021
- Organization: Department of the Interior
- Updated: 2023-08-29T00:00:00Z
Hawaiian hoary bats ('ōpe'ape'a; Lasiurus semotus) were captured and tracked back to roosting locations on Hawaiʻi Island. Roost stand metrics were observed and collected from 2018 to 2021. We...
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Search relevance: 38.40 | Views last month: 1
Federal
Hawaiʻi Island ʻōpeʻapeʻa random tree metrics, 2018–2021
- Organization: Department of the Interior
- Updated: 2023-08-29T00:00:00Z
Hawaiian hoary bats ('ōpe'ape'a; Lasiurus semotus) were captured and tracked back to roosting locations on Hawaiʻi Island. Roost tree metrics were observed and collected from 2018 to 2021. We...
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Search relevance: 38.30 | Views last month: 1
Federal
Discrete profile measurements of partial pressure of CO2 (pCO2), water temperature, salinity and other parameters obtained during the profiling crawler (PRAWLER) deployment from 2017-07-12 to 2017-09-17 in the Washington coastal area, North Pacific Ocean (NCEI Accession 0223133)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-12-17T00:00:00.000+00:00
This dataset consists of Discrete profile measurements of partial pressure of CO2 (pCO2), water temperature, salinity and oxygen obtained during the profiling crawler (PRAWLER) deployment from...
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- +4 more
Search relevance: 38.27 | Views last month: 0

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