489 datasets found
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Federal
Data on soil denitrification enzyme activity and characteristics of tidal freshwater forested wetlands in Virginia.
Department of the Interior —
Denitrification measurements and ecosystem attributes in hummock-hollow microtopography of tidal freshwater forested wetlands along longitudinal riverine positions... -
Federal
Floodplain sedimentation, bank erosion, and biogeochemical cycling of sediment and nutrients in Smith Creek (Virginia) 2012-2015
Department of the Interior —
Chemical and physical attributes, rates of deposition, erosion, and mineralization of bank and floodplain sediments and soils from five study sites in the Smith Creek... -
Federal
EFFECTS OF FLOOD INUNDATION AND INVASION BY Phalaris arundinacea ON NITROGEN CYCLING IN AN UPPER MISSISSIPPI RIVER FLOODPLAIN FOREST
Department of the Interior —
This data set consists of monthly averages of soil and litter properties. Rows are grouped in the following order: year, month, vegetation type, plot ID. Within a... -
Federal
Concentration data for suspended sediment, nitrogen, and phosphorus for urban streams in Clarksburg, Maryland USA (2004-2016)
Department of the Interior —
This dataset describes baseflow and stormflow concentration data for the constituents of nitrogen and phosphorus and suspended sediments for watersheds included in a... -
Federal
Estimates of atmospheric inorganic nitrogen deposition to the Chesapeake Bay watershed, 1950-2050
Department of the Interior —
Reactive nitrogen is transported from the atmosphere to the landscape as wet and dry deposition that contributes to annual nitrogen loads to the Chesapeake Bay.... -
Federal
SGS-LTER Effects of grazing on ecosystem structure and function (GZTX): Nitrogen concentration of vegetation on the Central Plains Experimental Range, Nunn, Colorado, USA 1992-2011, ARS Study Number 32
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
Chemical and physical data for analysis of nitrogen fluxes and nominal travel time in surface water
Department of Agriculture —
Data were collected from a former cranberry farm that was restored to a wetland in Plymouth, Massachusetts, called "Tidmarsh". Between 2016 and 2024, data included... -
Federal
Chesapeake Bay Cafe Data
U.S. Environmental Protection Agency —
This study uses the hierarchical CAFE (Cropping system, Animal-crop system, Food system, and Ecosystem) framework to evaluate nutrient management performances within... -
Report on Air Quality Trends in the District of Columbia
District of Columbia —
To better understand the current air quality status in the District, the following summary highlights key pollutants and their compliance with the National Ambient Air... -
Federal
Mineral Commodity Summaries 2023 - NITROGEN (FIXED)-AMMONIA Data Release
Department of the Interior —
This data release contains the U.S. salient statistics and world production data extracted from the NITROGEN (FIXED)-AMMONIA data sheet of the USGS Mineral Commodity... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2017: Average annual yields
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
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: National Resource Conservation Service's Best Management Practice Scenarios for Total Non-Gas Nitrogen, Phosphorous, and Sediment
Department of the Interior —
This metadata record describes three best management practice scenarios for Nitrogen, Phosphorous, and Sediment based on information from the National Resource... -
Federal
Chesapeake Bay Nontidal Network 1985-2018: Annual loads (ver. 2.0, May 2020)
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data... -
Federal
Chesapeake Bay Nontidal Network 1985-2014: WRTDS Input Data
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data... -
Federal
LIGHT MODULATES MORPHOLOGY MORE THAN TROPHIC AND PHYSIOLOGICAL DYNAMICS OF SIX CARIBBEAN CORALS
U.S. Environmental Protection Agency —
Supplementary and data for: Light modulates morphology more than trophic and physiological dynamics of six Caribbean corals -
Federal
Calculated Leached Nitrogen from Septic Systems in Wisconsin, 1850-2010
Department of the Interior —
This data release contains a netCDF file containing decadal estimates of nitrate leached from septic systems (kilograms per hectare per year, or kg/ha) in the state... -
Federal
WSON_Coweeta_Chen et al_2017
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
Diatom and environmental data
U.S. Environmental Protection Agency —
These raw data associated with this research were collected as part of the United States Environmental Protection Agency's 2018-2019 National Rivers and Streams... -
Federal
GLOBEC NEP Rosette Bottle Data (2002)
National Oceanic and Atmospheric Administration, Department of Commerce —
GLOBEC (GLOBal Ocean ECosystems Dynamics) NEP (Northeast Pacific) Rosette Bottle Data from New Horizon Cruise (NH0207: 1-19 August 2002). Notes: Physical data... -
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...
489 datasets found