831 datasets found
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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
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
Specific Water Quality Sites for Saltlake County, Utah
Department of the Interior —
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System).... -
Federal
Total atmospheric deposition of oxidized nitrogen in the United States Pacific Northwest for 2002
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of wet and dry deposition of oxidized nitrogen in the Pacific Northwest... -
Federal
Chesapeake Bay Nontidal Network 1985-2018: WRTDS output 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
Phosphorus, nitrogen, and suspended-sediment loads measured at the Great Lakes Restoration Initiative tributary monitoring network: Water years 2011–2020
Department of the Interior —
Phosphorus, nitrogen, and suspended-sediment loads, in 24 U.S. tributaries of the Great Lakes, were calculated using U.S. Geological Survey (USGS) data from the Great... -
Federal
Data and model code in support of Stream nitrate dynamics driven primarily by discharge and watershed physical and soil characteristics at intensively monitored sites, Insights from deep learning
Department of the Interior —
We developed a suite of models using deep learning to make hindcast predictions of the 7-day average backward-looking nitrate concentration at 46 predominantly... -
Federal
Histochemical study of nitrogen-transfer endosymbiosis
Department of the Interior —
Plant roots have the best-understood mutualisms with microbes, but leaf and bract cell endosymbiosis have not been previously reported. Leaf and bract cells of more... -
Federal
Water chemistry and molecular eDNA data observed in experimental laboratory mesocosms exposed to different nitrogen amendments in the presence or absence of a nitrifier enriched microbial community
Department of the Interior —
Data describe the results of a controlled laboratory mesocosm experiment evaluating the influence of a nitrifier enriched microbial community on silver carp... -
Federal
Input and output data from streamflow and water-quality regression models used to characterize streamflow and water-quality conditions in the Upper Yampa River Basin, Colorado, from 1992 to 2018
Department of the Interior —
This dataset includes input and output data from streamflow and water-quality regression models used to characterize streamflow and water-quality conditions in the... -
Federal
Estimation of annual and monthly loads of nitrate + nitrite, total phosphorous, and dissolved phosphorus in Illinois for water years 1974 to 2022
Department of the Interior —
This data release contains data in support of "Diverging trends in Nitrate and Phosphorus Loads and Yields Across Illinois Watersheds, 1997–2022" (Kamrath and others,... -
Federal
Chincoteague Bay surface carbon and nitrogen data from the spring sampling trip of 2014
Department of the Interior —
Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine,... -
Federal
Mineral Commodity Summaries 2025 - 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
Regression tree datasets used to identify trophic states in Tennessee reservoirs
Department of the Interior —
This dataset was developed in partnership with the Tennessee Department of Environmental Conservation to determine the susceptibility of selected Tennessee reservoirs... -
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
Pre-restoration soils P release during experimental flood in laboratory and physico-chemistry data for study along Pocomoke River, Maryland, evaluating the effectiveness of floodplain reconnection on water quality function.
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
CO2 concentrations and microbial biomass data derived from incubation experiments on soils collected at Arches National Park in 2017 and 2018
Department of the Interior —
These data were compiled to improve our understanding of how water, carbon (C), nitrogen (N), and phosphorus (P) interact to regulate below ground carbon cycling.... -
Federal
Water-quality and preceding precipitation data for low-flow and storm-event samples collected in Johnson County, Kansas, from January 2015 through November 2018
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides selected discretely measured water-quality data collected from 27 monitoring sites in Johnson County, Kansas,... -
Federal
Dry deposition of oxidized nitrogen in the United States Pacific Northwest for 2002
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of dry deposition of oxidized nitrogen in the Pacific Northwest region... -
Federal
This dataset includes HUC8 and HUC10 codes associated with MRB reach IDs used in the Tennessee SPARROW model
Department of the Interior —
This data release consists of the data used to develop SPAtially Referenced Regression On Watershed(SPARROW) attributes models for estimating loads of total...
831 datasets found