181 datasets found
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Federal
Galveston, Texas Head Start Captive Reared Sea Turtle Program Data, 1979-2016 (NCEI Accession 0157625)
National Oceanic and Atmospheric Administration, Department of Commerce —
This is a compilation of several data sets related to the Galveston Texas Seaturtle Headstart program. Most notable is the Kemp's ridley headstart program [1978-1992]... -
Federal
Dissolved inorganic carbon, alkalinity, pH, and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from NOAA Ship Delaware II off the Northeast coast of the United States from 2012-02-02 to 2012-02-19 (NCEI Accession 0131423)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains carbon and nutrient related data that were collected from CTD profile measurements in the Northeast coast of the United States (EXPOCODE:... -
Federal
San Francisco Bay Area Network Water Quality Data for Three Projects from 2003-2024 as of 2025-01-27
Department of the Interior —
This data package was created 2025-01-27 13:30:01 by NPSTORET and includes selected project, location, and result data. Data contained in the San Francisco Bay Area... -
Federal
Coupling of organic and inorganic systems and the effect on gas-particle partitioning in the southeastern United States
U.S. Environmental Protection Agency —
Several models were used to describe the partitioning of ammonia, water, and organic compounds between the gas and particle phases for conditions in the southeastern... -
Federal
Mineral Commodity Summaries 2023 - NITROGEN (FIXED)-AMMONIA Data Release
Department of the Interior —
This data release contains the U.S. salient statistics and world production data extracted from the NITROGEN (FIXED)-AMMONIA data sheet of the USGS Mineral Commodity... -
Federal
The Full-Scale Implementation of an Innovative (Supplemental)
U.S. Environmental Protection Agency —
Across the United States, high levels of ammonia in drinking water sources can be found. Although ammonia in water does not pose a direct health concern, ammonia... -
Federal
Data used in Figures and Tables in this Research Effort
U.S. Environmental Protection Agency —
The data set represents data collected during the pilot study. This dataset is associated with the following publication: Lytle, D., D. Williams, C. Muhlen, E.... -
Federal
Data for: "Apportionment and Inventory Optimization of Agriculture and Energy Sector Methane Emissions using Multi-month Trace Gas Measurements in Northern Colorado"
Department of Commerce —
This dataset contains 1) the methane, ethane, ammonia, and water mixing ratio time series recorded at the Platteville Atmospheric Observatory site, 2) the hourly mean... -
Federal
Estimates of atmospheric inorganic nitrogen deposition to the Chesapeake Bay watershed, 1950-2050
Department of the Interior —
Reactive nitrogen is transported from the atmosphere to the landscape as wet and dry deposition that contributes to annual nitrogen loads to the Chesapeake Bay.... -
Federal
Water-quality and streamflow datasets used in Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2017 (input data)
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Mineral Commodity Summaries 2024 - NITROGEN (FIXED)-AMMONIA Data Release
Department of the Interior —
This data release contains the U.S. salient statistics and world production data extracted from the NITROGEN (FIXED)-AMMONIA data sheet of the USGS Mineral Commodity... -
Federal
Dissolved inorganic carbon, total alkalinity, pH, and other variables collected from profile and discrete sample observations using CTD, Niskin bottle, and other instruments from NOAA Ship Henry B. Bigelow off the Northeastern coast of the United States from 2012-06-02 to 2012-06-13 (NCEI Accession 0138982)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains discrete bottle (CTD profile) data that were collected off the Northeastern coast of the United States in 2012. Increasing amounts of... -
Federal
Dissolved inorganic carbon, total alkalinity, pH on Total Scale, nutrients and other variables collected from profile and discrete sample observations during NOAA Ship Henry B. Bigelow cruise HB1701 (EXPOCODE 33HH20170211) in the Gulf of Maine, Georges Bank, and Mid-Atlantic Bight from 2017-02-11 to 2017-02-23 (NCEI Accession 0169111)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains dissolved inorganic carbon, total alkalinity, pH on total scale, nutrients and other variables measured from profile discrete measurement during... -
Federal
Dissolved inorganic carbon, total alkalinity, pH on Total Scale, nutrients and other variables collected from profile and discrete sample observations using CTD, Niskin bottle and other instruments during NOAA Ship Gordon Gunter cruise GU1804 (EXPOCODE 33GG20180822) in the North Atlantic Ocean, Gulf of Maine, Georges Bank, and Mid-Atlantic Bight from 2018-08-22 to 2018-08-31 (NCEI Accession 0188876)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains dissolved inorganic carbon, total alkalinity, pH on total scale, nutrients and other variables measured from profile discrete observations... -
Federal
Survival, neonate counts, and water quality measurements in controlled exposures to long-term wildland fire retardants to Ceriodaphnia dubia
Department of the Interior —
We investigated the survival and reproductive success of Ceriodaphnia dubia that were exposed to a concentration series of four current-use fire retardants (Phos-Chek... -
Federal
New bidirectional ammonia flux model in an air quality model coupled with an agricultural model
U.S. Environmental Protection Agency —
L1_cation.txt is a text dump of CEC data from EPIC output for the 12 km CMAQ grid for each of 42 crop types CMAQv53_bidi_fix_NH3_290871_scatterplot.csv is data table... -
Federal
Modeling data and data for figures and text
U.S. Environmental Protection Agency —
The data in this archive in in a zipped R data binary format, https://cran.r-project.org/doc/manuals/r-release/R-data.html. These data can be read by using the open... -
Federal
Niobrara National Scenic River 2001-2023 Water Quality Data from the NIOB0001 Project (Water Quality & Streamflow Monitoring Program) as of 2023-11-15
Department of the Interior —
This data package was created 2024-10-17 09:01:30 by NPSTORET and includes selected project, location, and result data. Data contained in the Niobrara National Scenic... -
Federal
Southern Plains Network - Streams Protocol Water Quality Monitoring Data from 2010-2022 for SOPN_WQ Project as of 2024-10-23
Department of the Interior —
This data package was created 2024-10-23 15:42:39 by NPSTORET and includes selected project, location, and result data. Data contained in Southern Plains Network's... -
Federal
Greater Yellowstone Network Published Water Quality Data through 2023 from the BICAWQ01, GRTEWQ01, and YELLWQ01 Projects as of 2024-04-29
Department of the Interior —
This data package was created 2025-07-09 06:47:55 by NPSTORET and includes selected project, location, and result data. Data contained in the Greater Yellowstone...
181 datasets found