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Federal
Chesapeake Bay Nontidal Network 1985-2014: Long- and Short-Term Trends recent views
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 1985-2017: WRTDS output data recent views
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 River Input Monitoring Network 1985-2017: Average annual yields recent views
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 1985-2020: Annual loads (ver. 2.0, January 2023) recent views
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
Input data and results of WRTDS models and seasonal rank-sum tests to determine trends in the quality of water in New Jersey streams, water years 1971-2011 recent views
Department of the Interior —
This USGS data release represents the input data used to identify trends in New Jersey streams, water years 1971-2011 and the results of Weighted Regression on Time,... -
Federal
Alaska Geochemical Database Version 3.0 (AGDB3) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media recent views
Department of the Interior —
The Alaska Geochemical Database Version 3.0 (AGDB3) contains new geochemical data compilations in which each geologic material sample has one best value determination... -
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 recent views
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
Chesapeake Bay River Input Monitoring Network 1985-2018: Monthly loads recent views
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
Stochastic Empirical Loading and Dilution Model in MS Access created for U.S. Geological Survey Scientific Investigations Report 2019-5053, 116 p., https://doi.org/10.3133/sir20195053 recent views
Department of the Interior —
Stochastic Empirical Loading and Dilution Model (SELDM) utilizes Microsoft Access databases to build and run model simulations. The compiled database was used for all... -
Federal
Lake Erie Tributaries: Nutrient and streamflow trend results recent views
Department of the Interior —
This data set includes WRTDS nutrient flux trend results and the values of daily streamflow trend results displayed in the Quantile-Kendall plots. For 1995-2015... -
Federal
Chesapeake Bay Nontidal Network 1985-2020: Average annual yields (ver. 2.0, January 2023) recent views
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 River Input Monitoring Network 1985-2018: Average annual yields recent views
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
Nutrient Addition Experiment in the Sacramento River Deep Water Ship Channel recent views
Department of the Interior —
Data were collected in the Sacramento River Deep Water Ship Channel (West Sacramento, CA) in support of a whole-ecosystem experiment investigating whether... -
Federal
Chesapeake Bay Nontidal Network 1985-2016: Average annual yields recent views
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
Monthly Mean Precipitation Red River of the North Basin recent views
Department of the Interior —
Monthly mean precipitation for the Red River of the North Basin upstream of Emerson, Manitoba, and subbasins -
Federal
Maquoketa River Floodplain-River Connectivity 2014-2016 Data recent views
Department of the Interior —
The Maquoketa River carries some of the highest sediment and nutrient loads in the Upper Mississippi River, contributing to eutrophication and hypoxic conditions in... -
Federal
Shapefile of stream reaches used in Tennessee SPARROW models recent views
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... -
Federal
Nutrient loading, flushing rate, and lake morphometry data used to identify trophic states in selected watersheds of the eastern and southeastern United States recent views
Department of the Interior —
For State agencies and other water-resources managers, determining which waterbodies to allocate limited funds for protection and restoration while also maximizing... -
Federal
Geochemical Characteristics of the Conterminous United States: % P2O5 recent views
Department of the Interior —
This raster depicts the percentage of lithological phosphorus pentoxide (P2O5) content in surface or near surface geology. We derived these rasters by calculating the... -
Federal
Point source nutrient discharges to surface water in the United States Pacific Northwest for 2002 summarized for NHDPlus v2 catchments recent views
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of total nitrogen and total phosphorus discharged to surface waters in...