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Federal
1987-2018 cyanobacteria and water quality data for 20 reservoirs 51 recent views
U.S. Environmental Protection Agency —
These data include cyanobacteria cell densities (including maximum cell densities observed for each year in each reservoir), annual summer (June-August)... -
Federal
TRACI Spatial Eutrophication Characterization Factors_2020-10 34 recent views
U.S. Environmental Protection Agency —
This dataset provides spatially-explicit freshwater and marine eutrophication characterization factors for the TRACI life cycle impact assessment method, as well as... -
Federal
Deposition, critical loads, and exceedances for 1800-2025
U.S. Environmental Protection Agency —
This data includes gridded estimates of: (1) decadally averaged total N and S deposition for the conterminous US from 1800-2025, (2) critical loads from the National... -
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
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
Coupling the dual-isotope indicators of water and nitrate indicates legacy groundwater pollution
U.S. Environmental Protection Agency —
Shallow groundwater samples were collected since 2006 for routine analysis by ODEQ from 16 domestic wells (installation dating from the 1970s) and 23 ODEQ groundwater... -
Federal
Data for Grassland-to-cropland conversion increased soil, nutrient, and carbon losses in the US Midwest between 2008 and 2016
U.S. Environmental Protection Agency —
These are the soil quality data for each county (listed by fips code) for each scenario. This dataset is associated with the following publication: Zhang, X., T.... -
Federal
Metadata: Wet nitrogen (N) deposition to urban Latin America: filling in the gaps with GEOS-Chem
U.S. Environmental Protection Agency —
The data include model outputs from the GEOS-Chem model and observational datasets. This dataset is not publicly accessible because: The data were not generated by... -
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
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... -
Federal
St. Louis River water quality assessment 2012, 2013
U.S. Environmental Protection Agency —
St. Louis River Area of Concern surface water nutrient (TP, TN, NOx-N, NH4-N), dissolved oxygen, and particulate (TSS, chlorophyll a) concentration data from 2012 and... -
Federal
Where have all the nutrients gone? Long-term Decoupling of Inputs and Outputs in the Willamette River Watershed, Oregon, USA
U.S. Environmental Protection Agency —
The following 4 tables accompany the peer-reviewed journal article GS Metson, J Lin, JE Compton, JA Harrison. Where have all the nutrients gone? Long-term Decoupling... -
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... -
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
Nitrogen inputs and stream N concentrations NRSA 2008-2009
U.S. Environmental Protection Agency —
This is a combined dataset that includes data for 1966 of the 2008-2009 National Rivers and Streams Assessment watersheds. The data includes watershed N inputs and... -
Federal
Examining the impacts of increased corn production on groundwater quality using a coupled modeling system
U.S. Environmental Protection Agency —
This dataset was used to create graphics associated with manuscript: Garcia et al., Examining the impacts of increased corn production on groundwater quality using a... -
Federal
Nitrogen Discharge due to Climate Change and Land Cover Change
U.S. Environmental Protection Agency —
Simulated model output for the figures in the associated publication. Data are SWAT model simulation results for different scenarios of land-use change and climate... -
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
Chemistry of restored urban streams in Washington DC
U.S. Environmental Protection Agency —
Field and lab data associated with an assessment of regenerative stormwater conveyance systems as a type of stream restoration intended to reduce nutrients in urban... -
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...