Catalog - Data.gov

Found 1437 datasets matching "surface waters".

Federal
Measured PFOS Concentrations in U.S. Ambient Surface Waters through 2020
- Organization: U.S. Environmental Protection Agency
- Updated: 2021-06-22
These data were part of a critical review that looks at the occurrence of PFOS in ambient surface waters across the U.S. All data from this paper were obtained from publicly available literature,...
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Search relevance: 116.28 | Views last month: 0
Federal
A high-throughput, automated technique for microplastic detection, quantification, and characterization in surface waters using laser direct infrared spectroscopy
- Organization: U.S. Environmental Protection Agency
- Updated: 2022-01-31
Raw LDIR exported data for microplastics including the surface water samples, air blanks, Super-Q blanks, and field blanks. The aspect ratios determined from the shape standards are included. ...
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Search relevance: 108.53 | Views last month: 7
Federal
Biological, physical, and chemical data collected from inshore and shelf surface waters in Alabama from 2009-07 to 2011-12 (NCEI Accession 0117507)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2014-04-21T00:00:00.000+00:00
Quantifying the linkages between primary production and higher trophic levels is necessary to understand why particular regions can support high fisheries production. Modified dilution...
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Search relevance: 94.84 | Views last month: 0
Federal
Spatial and temporal variations of aragonite saturation states in the surface waters of the Western Arctic Ocean from 2016 to 2018 (NCEI Accession 0241111)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-09-15T00:00:00.000+00:00
This dataset consists of spatial and temporal variations of aragonite saturation states in the surface waters of the Western Arctic Ocean from 2016 to 2018. The dataset also includes measurements...
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Search relevance: 90.02 | Views last month: 0
Federal
Long-term assessment of floodplain reconnection as a stream restoration approach for managing nitrogen in ground and surface waters
- Organization: U.S. Environmental Protection Agency
- Updated: 2021-04-07
These data are surface water and groundwater chemistry collected at an urban stream in Baltimore MD, USA. This dataset is associated with the following publication: Mayer, P., M. Pennino, T....
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Search relevance: 89.06 | Views last month: 12
Federal
Water quality and contaminants in stream surface waters collected in the Shenandoah Valley, 2021
- Organization: Department of the Interior
- Updated: 2023-10-17T00:00:00Z
The data presented in this data release includes 11 field/water quality parameters, concentrations of 16 nutrients/anions, dissolved organic carbon, 14 organic contaminants, net estrogenicity...
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Search relevance: 88.89 | Views last month: 0
Federal
ABoVE: AirSWOT Ka-band Radar over Surface Waters of Alaska and Canada, 2017
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
This dataset provides AirSWOT (Surface Water and Ocean Topography) Ka-band (35.75 GHz) radar data products collected from an airborne platform over parts of Alaska and Canada during the period...
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Search relevance: 87.15 | Views last month: 0
Federal
Partial pressure (or fugacity) of carbon dioxide, salinity and other variables collected from Surface underway observations using Carbon dioxide (CO2) gas analyzer, Shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement and other instruments from F.G. Walton Smith in the Coastal Waters of Florida, Coastal Waters of Louisiana and others from 2014-04-22 to 2014-12-05 (NCEI Accession 0157432)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-12-10T00:00:00.000+00:00
This dataset includes Surface underway, chemical, meteorological and physical data collected from F.G. Walton Smith in the Coastal Waters of Florida, Coastal Waters of Louisiana, Coastal Waters of...
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Search relevance: 86.80 | Views last month: 0
Federal
Partial pressure (or fugacity) of carbon dioxide, salinity and other variables collected from Surface underway observations using Carbon dioxide (CO2) gas analyzer, Shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement and other instruments from NOAA Ship GORDON GUNTER in the Coastal Waters of Florida, Coastal Waters of Louisiana and others from 2014-02-15 to 2014-11-22 (NCEI Accession 0157328)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-12-08T00:00:00.000+00:00
This dataset includes Surface underway, chemical, meteorological and physical data collected from NOAA Ship GORDON GUNTER in the Coastal Waters of Florida, Coastal Waters of Louisiana, Coastal...
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Search relevance: 86.68 | Views last month: 0
Federal
Partial pressure (or fugacity) of carbon dioxide, salinity and other variables collected from Surface underway observations using Barometric pressure sensor, Carbon dioxide (CO2) gas analyzer and other instruments from F.G. Walton Smith in the Coastal Waters of Florida, Coastal Waters of Louisiana and others from 2016-01-04 to 2016-12-13 (NCEI Accession 0157454)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-02-19T00:00:00.000+00:00
This dataset includes Surface underway, chemical, meteorological and physical data collected from F.G. Walton Smith in the Coastal Waters of Florida, Coastal Waters of Louisiana, Coastal Waters of...
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Search relevance: 85.52 | Views last month: 0
Federal
Datasets for manuscript: A Graph-Based Modeling Framework for Tracing Hydrological Pollutant Transport in Surface Waters
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-01-06
Hydrology Graphs This repository contains the code for the manuscript "A Graph Formulation for Tracing Hydrological Pollutant Transport in Surface Waters." There are three main folders containing...
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Search relevance: 85.06 | Views last month: 1
Federal
Partial pressure (or fugacity) of carbon dioxide, salinity and other variables collected from Surface underway observations using Carbon dioxide (CO2) gas analyzer, Shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement and other instruments from F.G. Walton Smith in the Coastal Waters of Florida, Coastal Waters of Louisiana and others from 2013-03-31 to 2013-12-21 (NCEI Accession 0157431)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-12-10T00:00:00.000+00:00
This dataset includes Surface underway, chemical, meteorological and physical data collected from F.G. Walton Smith in the Coastal Waters of Florida, Coastal Waters of Louisiana, Coastal Waters of...
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Search relevance: 84.54 | Views last month: 0
Federal
Partial pressure (or fugacity) of carbon dioxide, sea surface temperature, sea surface salinity and other variables collected from surface underway observations during NOAA Ship Ronald H. Brown cruises in the Coastal Waters of Florida, Atlantic Ocean and Gulf of Mexico from 2012-02-15 to 2012-09-05 (NCEI Accession 0109926)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-10-16T00:00:00.000+00:00
This dataset includes surface underway, chemical, meteorological and physical data collected during NOAA Ship Ronald H. Brown cruises in the Coastal Waters of Florida, Atlantic Ocean and Gulf of...
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Search relevance: 84.36 | Views last month: 0
Federal
Observations of carbon dioxide in the surface waters of the Eastern North Pacific Ocean and the Bering Sea from 1968-07-21 to 1968-09-03 (NCEI Accession 7100114)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-04-06T00:00:00.000+00:00
Measurements of the equilibrium concentration of carbon dioxide in the air and surface waters of the North Pacific Ocean and the Bering Sea are presented. Calibration data for the infrared...
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Search relevance: 81.99 | Views last month: 0
Federal
Simulating the Environmental Fate and Transport of Graphene Oxide Nanoparticles and Their Major Phototransformation Product in Surface Waters: ORD-024619
- Organization: U.S. Environmental Protection Agency
- Updated: 2019-07-02
There has been growing interest in simulating the fate and transport of engineered nanomaterials in the environment. The Water Quality Analysis Simulation Program (WASP) is one of the most widely...
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Search relevance: 80.54 | Views last month: 1
Federal
Partial pressure (or fugacity) of carbon dioxide, salinity and other variables collected from Surface underway observations using Carbon dioxide (CO2) gas analyzer, Shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement and other instruments from NOAA Ship GORDON GUNTER in the Coastal Waters of Florida, Coastal Waters of Mississippi and others from 2012-04-29 to 2012-11-20 (NCEI Accession 0157337)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-12-09T00:00:00.000+00:00
This dataset includes Surface underway, chemical, meteorological and physical data collected from NOAA Ship GORDON GUNTER in the Coastal Waters of Florida, Coastal Waters of Mississippi, Florida...
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Search relevance: 79.68 | Views last month: 0
Federal
Partial pressure (or fugacity) of carbon dioxide, salinity and other variables collected from Surface underway observations using Carbon dioxide (CO2) gas analyzer and other instruments from Las Cuevas in the Caribbean Sea, Coastal Waters of Louisiana and others from 2012-01-03 to 2012-08-07 (NCEI Accession 0157316)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-12-08T00:00:00.000+00:00
This dataset includes Surface underway, chemical, meteorological and physical data collected from Las Cuevas in the Caribbean Sea, Coastal Waters of Louisiana, Coastal Waters of Texas, Gulf of...
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Search relevance: 79.38 | Views last month: 0
Federal
Potential toxicity of complex mixtures in surface waters from a nationwide survey of United States streams: Identifying in vitro bioactivities and causative chemicals
- Organization: U.S. Environmental Protection Agency
- Updated: 2018-12-13
In vitro biological activity data from a extracts of a nationwide survey of US streams. This dataset is associated with the following publication: Blackwell, B., G. Ankley, P. Bradley, K. Houck,...
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Search relevance: 78.44 | Views last month: 0
Federal
In-situ measurement of dissolved organic carbon and total organic carbon in fresh surface waters: Lab validation of a portable field meter
- Organization: U.S. Environmental Protection Agency
- Updated: 2024-03-26
Data represent field and laboratory measures of dissolved organic carbon. This dataset is not publicly accessible because: Data is owned by external co-authors. It can be accessed through the...

Search relevance: 78.38 | Views last month: 0
Federal
Multi-laboratory survey of qPCR enterococci analysis method performance in U.S. coastal and inland surface waters
- Organization: U.S. Environmental Protection Agency
- Updated: 2016-05-04
Quantitative polymerase chain reaction (qPCR) has become a frequently used technique for quantifying enterococci in recreational surface waters, but there are several methodological options. Here...
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Search relevance: 77.24 | Views last month: 0

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