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Federal
TRACI Spatial Eutrophication Characterization Factors_2020-10 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
Atmospheric Deposition Modeling Results recent views
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
Clean Air Markets Program Data Application (CAMPD) recent views
U.S. Environmental Protection Agency —
The Clean Air Markets Program Data (CAMPD) application, accessible at https://campd.epa.gov/, allows users to view Clean Air Markets data through the Custom Data... -
Federal
1987-2018 cyanobacteria and water quality data for 20 reservoirs 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
Estimates of lake nitrogen, phosphorus, and chlorophyll-a concentrations to characterize harmful algal bloom risk across the United States recent views
U.S. Environmental Protection Agency —
The objective of this research was to predict nutrient, chlorophyll-a, and associated harmful algal bloom, hypoxia, and eutrophication effects in US lakes. This... -
Federal
NRSA data 2000-2014 Deposition Largest N Source Lin et al. recent views
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
Deposition, critical loads, and exceedances for 1800-2025 recent views
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
Deep soil nitrogen storage slows nitrate leaching through the vadose zone [dataset] recent views
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
Freshwater Salinization Syndrome Alters Nitrogen Transport in Urban Watersheds recent views
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 recent views
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
Examining the impacts of increased corn production on groundwater quality using a coupled modeling system recent views
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
Metadata: Wet nitrogen (N) deposition to urban Latin America: filling in the gaps with GEOS-Chem recent views
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
WSON_Coweeta_Chen et al_2017 recent views
U.S. Environmental Protection Agency —
Datasets describing bulk and speciated water soluble organic nitrogen and carbon species in 24 hour high volume PM samples. This dataset is associated with the... -
Federal
Estimated Total Nitrogen and Total Phosphorus Loads and Yields Generated within States recent views
U.S. Environmental Protection Agency —
Estimated state-wide total nitrogen (TN) and total phosphorus (TP) loads and yields, as predicted by the 2012 regional USGS SPARROW models.Excess nitrogen and... -
Federal
From field to groundwater: Quantifying crop N budgets, performance metrics and nitrate leaching in the southern Willamette Valley, Oregon recent views
U.S. Environmental Protection Agency —
This file contains water balances, monthly nitrate leaching and concentrations, field site descriptions and field crop inputs and harvest information. -
Federal
Linking Water Quality to Ae. aegypti nutrient and Zika recent views
U.S. Environmental Protection Agency —
This dataset contains the nutrient analysis (carbon, nitrogen, stable isotopes) for estuary water, leaf detritus, container habitat water, larvae within containers,... -
Federal
Nooksack River Basin N budget recent views
U.S. Environmental Protection Agency —
Information used to construct a nitrogen budget for the Nooksack River Watershed. The data includes the following four tables: Table 1: Annual N Fluxes in the... -
Federal
Commercial Nitrogen Fertilizer Purchased recent views
U.S. Environmental Protection Agency —
Amounts of fertilizer nitrogen (N) purchased by states in individual years 2003, 2005, 2007, 2009 and 2011, and the % change in average amounts purchased per year... -
Federal
Great Sippewissett Marsh 2016 Data recent views
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
A spatially explicit, empirical estimate of biological nitrogen fixation in forests of the United States recent views
U.S. Environmental Protection Agency —
The supplementary information provides details on the methods used to find the basal area-BNF rate regression, the specific literature that was used to derive both...