489 datasets found
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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
Summary simulated groundwater-transported nitrogen loads on the north shore of Long Island Sound and associated data
Department of the Interior —
A monthly model of groundwater-transported nitrogen loads was developed for 12-digit hydrologic unit code (HUC12) watersheds on the north shore of Long Island Sound... -
Federal
Rumsey and Walker_AMT_2016_Figure 1.xlsx
U.S. Environmental Protection Agency —
Figure summarizes diurnal profiles of uncertainty in the chemical gradient and transfer velocity measurements from which fluxes are calculated. This dataset is... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2019: Monthly loads
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
National Status and Trends: Bioeffects Program - Southwest Puerto Rico Chemical Contaminant Assessment Summary
National Oceanic and Atmospheric Administration, Department of Commerce —
The purpose of the project was to characterize the extent and magnitude of chemical contamination in southwest Puerto Rico, as part of a larger effort to link coral... -
Federal
1990-2010 atmospheric deposition of Sulfur and nitrogen
U.S. Environmental Protection Agency —
These data files associated with the Tables and Figures presented in the following manuscript: Zhang, Y., Mathur, R., Bash, J. O., Hogrefe, C., Xing, J., and Roselle,... -
Federal
WRTDS-K nutrient and sediment loads at Illinois EPA Ambient Water Quality Monitoring Network sites through water year 2020
Department of the Interior —
This data release contains estimates of annual nitrate, suspended sediment, phosphorus, and chloride loads and uncertainty from sites in the Illinois Environmental... -
Federal
Nitrogen, Phosphorus, and Suspended-Sediment Loads and Trends Measured at the Chesapeake Bay Nontidal Network Stations: Water Years 1985-2014
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 River Input Monitoring Network 1985-2023: 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
Chemistry analysis results for groundwater, soil-pore water, soil and plant material collected from two agricultural sites in the Nanticoke and Chester River watersheds on the Delmarva Peninsula from 2013 to 2016.
Department of the Interior —
This metadata record documents 8 comma delimitated files that support the USGS Scientific Investigations Report 2018-5020 on field studies in the Bucks Branch... -
Federal
Inorganic nutrient input and release from soil data for study along Pocomoke River, Maryland, evaluating the effectiveness of floodplain reconnection on water quality functions
Department of the Interior —
Input and release of phosphate, nitrate, and ammonium measured using stacked ion-exchange resin bags on top of soil in floodplains along Pocomoke River, Maryland, in... -
Federal
WRB sub-watershed nutrient balances
U.S. Environmental Protection Agency —
Data include watershed N export from approximately 25 Willamette River basin tributaries, including information about nitrogen inputs to the watersheds. Data used for... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2018: 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
Chesapeake Bay Nontidal Network 1985-2018: Short- and long-term trends
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
SGS-LTER Long Term Nitrogen Concentration in LTNPP Monitoring on the Central Plains Experimental Range, Nunn, Colorado, USA 1987 - 2011, ARS Study 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
Chesapeake Bay River Input Monitoring Network 1985-2018: Monthly loads
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
Long term dissolved oxygen concentrations in the metalimnion of Lake Powell reservoir and laboratory dissolved oxygen demand incubations from water and sediment collected in Lake Powell inflows and Chinle Wash
Department of the Interior —
These data were compiled to better understand the controls on the magnitude of the metalimnion low dissolved oxygen zone in Lake Powell reservoir. These data... -
Federal
Ecological property data and experimental lab incubation results from a long-term nitrogen deposition simulation experiment in three semi-arid grasslands, Arches National Park, Utah, USA, 2013-2019
Department of the Interior —
These data were compiled to understand the responses of dryland ecosystem properties to long-term simulated atmospheric nitrogen deposition. Objective(s) of our study... -
Federal
Difficult Run field estimated floodplain and bank flux and toolbox geomorphic metrics for field sites
Department of the Interior —
A cvs file containing field datasets used to develop regression models to predict sediment and nutrient retention services for streams within the Difficult Run... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2020: Annual loads
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...
489 datasets found