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Federal
1987-2018 cyanobacteria and water quality data for 20 reservoirs 60 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 39 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
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
Great Sippewissett Marsh 2016 Data
U.S. Environmental Protection Agency —
Data in this spreadsheet include methane, carbon dioxide, and nitrous oxide fluxes; soil pH; surface and subsurface soil temperature; and surface elevation relative... -
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
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
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
Footprints in Action: How UVA is Managing its Sustainability Stewardship
U.S. Environmental Protection Agency —
Data on the carbon, nitrogen, water and phosphorus footprints from the University of Virginia and information about different scenarios of environmental releases.... -
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... -
Federal
River basin simulations reveal wide-ranging wetland-mediated nitrate load reductions
U.S. Environmental Protection Agency —
Supporting information for "River basin simulations reveal wide-ranging wetland-mediated nitrate load reductions". Supporting information includes the calibrated... -
Federal
Considerations when using nutrient inventories to prioritize water quality restoration/improvement efforts across the US
U.S. Environmental Protection Agency —
The corresponding database integrates multiple streams of information to provide estimates of fluxes and surpluses across urban and agricultural domains as well as... -
Federal
Micronized copper treated wood
U.S. Environmental Protection Agency —
The data include copper concentrations in surface and subsurface water in mesocosms as well as pH, dissolved oxygen, and electrical conductivity. It also shows...