489 datasets found
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Federal
Hydraulic Studies of Drilling Microbores with Supercritical Steam, Nitrogen and Carbon Dioxide
Department of Energy —
Hydraulic studies of drilling micropores at various depths and with various hole sizes, tubing, fluids and rates to show theoretical feasibility. WELLFLO Simulations... -
Federal
Water quality surveys in Culebra: comprehensive assessment of physical and chemical water characteristics from 2023-02-08 to 2025-01-13 (NCEI Accession 0305617)
National Oceanic and Atmospheric Administration, Department of Commerce —
This record provides physical, chemical, and pathogenic bacteria water quality metrics collected between February 2023 to January 2025 to provide reference data of... -
Federal
Nutrient balances, river loads, and a counterfactual analysis to determine drivers of Mississippi River nitrogen and phosphorus loads between 1975 and 2017
Department of the Interior —
This dataset consists of input and output datasets for estimating nitrogen and phosphorus balances for the Mississippi River Basin from 1950 to 2017. The N balance... -
Federal
NRSA chemistry in sites <1000m2 with deposition as largest source Lassiter paper
U.S. Environmental Protection Agency —
Stream N and other water chemistry measurements originate from three national-scale, randomized, unequally weighted probability surveys of the U.S. EPA's National... -
Federal
2019: Elliott et al. - NOx and NH3 Isotopic Signature Review Paper Dataset
U.S. Environmental Protection Agency —
This dataset provides all known and relevant isotopic source signatures (d15N) of NOx and NH3 sources through the fall of 2018. It includes relevant sources... -
Federal
Maryland Coastal Bays Sediment Mapping Project: Sediment Cores
Department of the Interior —
This data set contains location, textural, and chemical parameters for 346 sediment samples from 32 cores collected in Maryland's Coastal Bays. The location... -
Federal
Assessing the Social and Environmental Costs of Institutions Nitrogen Footprints
U.S. Environmental Protection Agency —
This dataset allowed estimates the damage costs associated with the institutional nitrogen (N) footprint and explores how this information could be used to create... -
Federal
Vegetation cover, ground cover, plant mortality, and species abundance across an experimental drought treatment on the Colorado Plateau from 2010-2022
Department of the Interior —
These data were compiled to assess the response of vegetation and biological soil crusts to drought in a semi-arid ecosystem on the Colorado Plateau near Moab, Utah.... -
Federal
Baseline data for a hydrological restoration of a mangrove forest near Goodland, Florida (2015 - 2017)
Department of the Interior —
Mangrove restoration has a strong potential to enhance the services provided by coastal wetlands on a number of Department of the Interior (DOI) managed lands... -
Federal
Nitrogen and nitrogen isotope data for wheat and barley exposed to CeO2 nanoparticles
U.S. Environmental Protection Agency —
The effects of cerium oxide nanoparticles (CeO2-NPs) on 15N/14N ratio (δ15N) in wheat and barley were investigated. Seedlings were exposed to 0 and 500 mg CeO2-NPs/L... -
Federal
Post-restoration soils P release during experimental flood in laboratory and physico-chemistry data for study along Pocomoke River, Maryland, evaluating the effectiveness of floodplain reconnection on water quality function.
Department of the Interior —
Input and release of phosphate, nitrate, and ammonium measured using stacked ion-exchange resin bags on top of soil in floodplains along Pocomoke River, Maryland, in... -
Federal
Great Lakes Network 2006-2023 Inland Lakes Water Quality Monitoring Data as of 2024-04-19
Department of the Interior —
This data package was created 2024-10-17 15:12:07 by NPSTORET and includes selected project, location, and result data. Data contained in Great Lakes Network NPSTORET... -
Federal
Geochemical Characteristics of the Conterminous United States: % Nitrogen
Department of the Interior —
This raster depicts the percentage of lithological nitrogen (N) content in surface or near surface geology. We derived these rasters by calculating the average... -
Federal
SGS-LTER Ecosystem Stress Area - Aboveground Biomass: Interactions between individual plant species and soil nutrient status in shortgrass steppe on the Central Plains Experimental Range in Nunn, Colorado, USA 1991
Department of Agriculture —
This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State... -
Federal
Estimation of annual and monthly loads of nitrate + nitrite, total phosphorous, and dissolved phosphorus in Illinois for water years 1974 to 2022
Department of the Interior —
This data release contains data in support of "Diverging trends in Nitrate and Phosphorus Loads and Yields Across Illinois Watersheds, 1997–2022" (Kamrath and others,... -
Federal
Data from: ECB-WQ: A Long-Term Agroecosystem Research (LTAR) - Eastern Corn Belt node field-scale water quality dataset
Department of Agriculture —
The ECB-WQ database is comprised of hydrology and water quality data from three privately owned farms in Northwest Ohio and Northeast Indiana (USA). Specifically, the... -
Federal
Input and output data from streamflow and water-quality regression models used to characterize streamflow and water-quality conditions in the Upper White River Basin, Colorado, from 2000-2020
Department of the Interior —
This dataset includes input and output data from streamflow and water-quality regression models used to characterize streamflow and water-quality conditions in the... -
Federal
Intergenerational responses of wheat to CeO2 nanoparticles, growth and nutrient contents
U.S. Environmental Protection Agency —
The intergenerational impact of engineered nanomaterials in plants is a key knowledge gap in the literature. A soil microcosm study was performed to assess the... -
Federal
Dataset used for estimating catchment-level nitrogen and phosphorus fertilizer use from commercial fertilizer sales data for the Conterminous U.S., 2012
Department of the Interior —
This dataset includes all of the variables that were used in predictive models to estimate nitrogen and phosphorus fertilizer use from commercial fertilizer sales... -
Federal
Meta-analysis of remediation efforts for forests exposed to long term N deposition
U.S. Environmental Protection Agency —
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489 datasets found