508 datasets found
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Federal
Deep soil nitrogen storage slows nitrate leaching through the vadose zone [dataset]
U.S. Environmental Protection Agency —
This field study was designed to evaluate how nitrate leaching rates change with depth and how seasonal and annual variation in management (e.g., fertilizer input... -
State
Chesapeake Bay Pollution Loads - Nitrogen
State of Maryland —
Nitrogen pollution from contributing sources in Bay watershed, pounds per year. 1985, 2007, and 2009 - 2012 progress; 2017 and 2025 targets. Data source: EPA Phase... -
County
Port Susan Buoy Raw Data Output (Feb 3, 2022 - Dec 20, 2023)
King County, Washington —
This is a raw and uncorrected dataset from a buoy located at the north end of Port Susan, near the mouth of the Stillaguamish River. The buoy is owned by the... -
Federal
Soil Health Dataset from Kansas Farms 2023-2024
U.S. Environmental Protection Agency —
A workbook of all the soils data collected near Holton, Kansas, in agricultural fields. Laboratory analysis of soil properties was completed by Ward Labs in Kearny... -
Federal
Compilation of Geospatial Data (GIS) for the Mineral Industries of Select Countries in the Indo-Pacific
Department of the Interior —
The U.S. Geological Survey (USGS) has compiled a geodatabase containing mineral-related geospatial data for 19 countries of interest in the Indo-Pacific region (area... -
Federal
Data from Phelan et al. 2016 (Water Air and Soil Pollution 227:84. DOI 10.1007/s11270-016-2762-x). "Assessing the effects of climate change and air pollution on soil properties and plant diversity in sugar-maple-beech-yellow birch hardwood..."
U.S. Environmental Protection Agency —
This dataset describes the simulations at two pilot sites in the northeast from 1900-2100 for several soil and plant community responses to climate and nitrogen... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2020 (ver. 2.0, January 2023)
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Specific Water Quality Sites for Millard County, Utah
Department of the Interior —
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System).... -
Federal
Diatom and Environmental Data
U.S. Environmental Protection Agency —
Raw data associated with this research. This dataset is associated with the following publication: Yuan, L., R. Mitchell, E. Pilgrim, and N. Smucker. Inferences based... -
Federal
Dataset of water boundaries intersected with MRB_RF1 reach flowlines
Department of the Interior —
This data release consists of the data used to develop SPAtially Referenced Regression On Watershed(SPARROW) attributes models for estimating loads of total... -
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
Collection, analysis, and age-dating of sediment cores from natural and restored salt marshes on Cape Cod, Massachusetts, 2015-16
Department of the Interior —
Nineteen sediment cores were collected from five salt marshes on the northern shore of Cape Cod where previously restricted tidal exchange was restored to part of the... -
Federal
NRSA data 2000-2014 Deposition Largest N Source Lin et al.
U.S. Environmental Protection Agency —
NRSA is part of EPA’s National Aquatic Resource Surveys which samples different surface waters on a 5-year cycle during the growing season. For logistical reasons,... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2017: Monthly loads
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Lake Erie Tributaries: Nutrient and streamflow trend results
Department of the Interior —
This data set includes WRTDS nutrient flux trend results and the values of daily streamflow trend results displayed in the Quantile-Kendall plots. For 1995-2015... -
Federal
Hui O Ka Wai Ola Water Quality Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The goal of the Hui O Ka Wai Ola (Association Of The Living Waters) citizen-science based water quality program is to increase the capacity for monitoring water... -
Federal
Estimated nitrogen from septic for the conterminous United States, 2010 (SepN_CONUS_bg_2010)
Department of the Interior —
This metadata record documents a rudimentary estimate of nitrogen from septic for the conterminous United States for 2010, derived from block-group 1990 and 2010... -
Federal
Freshwater Salinization Syndrome Alters Nitrogen Transport in Urban Watersheds
U.S. Environmental Protection Agency —
A synthesis of data mined from USGS publicly available data. This dataset is not publicly accessible because: Data is owned by University of Maryland. It can be... -
Federal
Soybean microbiome response to CeO2 nanoparticles
U.S. Environmental Protection Agency —
16S amplicon sequencing data used to determine the changes in the soybean root-associated microbiome in response to cerium oxide nanoparticles (CeNPs) in a natural... -
Federal
Soil and surface water nitrogen and caffeine data from 2019, and 2019-2020 trail counts of hikers in Loch Vale Watershed, Rocky Mountain National Park
Department of the Interior —
Daily visitor use in Rocky Mountain National Park has increased substantially since 2014, raising questions about the impact of human waste on water quality in...
508 datasets found