489 datasets found
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Federal
Chesapeake Bay River Input Monitoring Network 1985-2017: Short- and long-term trends
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
Chesapeake Bay Nitrogen Trend Predictor Dataset
U.S. Environmental Protection Agency —
Please review Zhang et al. (2021) for details on study design and datasets (https://doi.org/10.1016/j.watres.2022.118443). In summary, predictor and response variable... -
Federal
SGS-LTER Long Term Nitrogen Percentages in Grass, Forb and Shrub Species on the Central Plains Experimental Range, Nunn, Colorado, USA 1983 - 2008, ARS Stusy Number 6
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
Soil physical, chemical, and biological data from edge-of-field agricultural water quality monitoring sites in Great Lakes States
Department of the Interior —
Soil data were collected from catchments of USGS edge-of-field (EOF) monitoring sites in Great Lakes Restoration Initiative (GLRI) priority watersheds. As part of... -
Federal
All raw data used to generate results
U.S. Environmental Protection Agency —
This dataset contains all data used in this study, including site ID, latitude, longitude, watershed land cover, water chemistry, and carbon and nitrogen stable... -
Federal
HEC-RAS hydraulic, temperature, and nutrient models for the Mohawk River between Rome and Cohoes, New York
Department of the Interior —
In support of a preliminary analysis performed by New York State Department of Environmental Conservation (NYSDEC) that found elevated nutrient levels along selected... -
Federal
A Nitrogen Physical Input-Output Model for Illinois
U.S. Environmental Protection Agency —
This file provides all the data that was used to estimate the physical input outputs for the State of Illinois. The attached paper describes how the data was... -
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
Nitrate response to wetlands in UMRB
U.S. Environmental Protection Agency —
The dataset includes all the information necessary to re-create Figures 1 through 6 of the manuscript. This dataset is associated with the following publication:... -
Federal
Great Lakes Restoration Initiative: Nutrient cycling in riverbed sediment in the Maumee River Basin, 2021 Data
Department of the Interior —
The Maumee River transports huge loads of nitrogen (N) and phosphorus (P) to Lake Erie. The increased concentrations of N and P are causing eutrophication of the... -
Federal
Measured Annual Nutrient loads from AGricultural Environments (MANAGE) database
Department of Agriculture —
The MANAGE (Measured Annual Nutrient loads from AGricultural Environments) database was developed to be a readily-accessible, easily-queried database of site... -
Federal
Phosphorus, nitrogen, and suspended-sediment loads measured at the Great Lakes Restoration Initiative tributary monitoring network: Water years 2011–2020
Department of the Interior —
Phosphorus, nitrogen, and suspended-sediment loads, in 24 U.S. tributaries of the Great Lakes, were calculated using U.S. Geological Survey (USGS) data from the Great... -
Federal
This dataset includes HUC8 and HUC10 codes associated with MRB reach IDs used in the Tennessee SPARROW model
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
Narragansett Bay hypoxia history core C & N data
U.S. Environmental Protection Agency —
Carbon and nitrogen concentrations and isotopic fractionation in sediment cores. This dataset is associated with the following publication: Boothman, W.S., and L.... -
Federal
Dataset 1: Studies included in literature review
U.S. Environmental Protection Agency —
This dataset contains the results of a literature review of experimental nutrient addition studies to determine which nutrient forms were most often measured in the... -
Federal
Great Lakes Restoration Initiative: Nutrient cycling in riverbed sediment in the Maumee River Basin, 2019 Data
Department of the Interior —
The Maumee River transports huge loads of nitrogen (N) and phosphorus (P) to Lake Erie. The increased concentrations of N and P are causing eutrophication of the... -
Federal
Evaluating water-quality trends in agricultural watersheds prioritized for management-practice implementation
U.S. Environmental Protection Agency —
Water-quality and streamflow data are available at https://doi.org/10.5066/F7P55KJN. Calculated nutrient and sediment loads are available at... -
Federal
SGS-LTER Earthwatch Project - Nitrogen and Carbon in Native, Abandoned and Cultivated Fields in eastern 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
Atmospheric Deposition Modeling Results
U.S. Environmental Protection Agency —
This asset provides data on model results for dry and total deposition of sulfur, nitrogen and base cation species. Components include deposition velocities, dry... -
Federal
Stoichiometry of excreta and excretion rates of a stream-dwelling plethodontid salamander
U.S. Environmental Protection Agency —
Stoichiometry of excreta and excretion rates of a stream-dwelling plethodontid salamander in Cincinnati, OH, USA. This dataset is associated with the following...
489 datasets found