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Federal
Monthly Phytoplankton Taxonomic Quantification in Lake Okeechobee and the Okeechobee Waterway, Florida, USA, 2019–2021
Department of the Interior —
An interdisciplinary and multiagency study was completed to understand harmful algal bloom dynamics by describing the spatial and temporal patterns and drivers of... -
Federal
Nutrient loading, flushing rate, and lake morphometry data used to identify trophic states in selected watersheds of the eastern and southeastern United States
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
Watershed-scale agricultural phosphorus balances and river export trends for the conterminous United States, 1992-2012
Department of the Interior —
This product consists of two tabular datasets and associated metadata for major phosphorus fluxes including manure and fertilizer inputs, crop uptake, as well as... -
Federal
Nutrient balances, river loads, and a counterfactual analysis to determine drivers of Mississippi River nitrogen and phosphorus loads from 1975 to 2017
Department of the Interior —
This data release includes data processing scripts, data products, and associated metadata for a study investigating trends in Mississippi River nitrogen and... -
Federal
Cladophora biomass and supporting data collected in the Great Lakes, 2018 (ver. 2.0, June 2023)
Department of the Interior —
This dataset records Cladophora and associated benthic algae, collectively Cladophora community or submerged aquatic vegetation (SAV), biomass collected during the... -
Federal
Nutrient balances, river loads, and a counterfactual analysis to determine drivers of Mississippi River nitrogen and phosphorus loads between 1975 and 2017
Department of the Interior —
This dataset consists of input and output datasets for estimating trends in river loads using the Weighted Regressions on Time Season and Discharge (WRTDS) model. The... -
Federal
Cladophora biomass and supporting data collected in the Great Lakes, 2022
Department of the Interior —
This dataset records Cladophora and associated benthic algae, collectively Cladophora community or submerged aquatic vegetation (SAV), biomass collected during the... -
Federal
Cladophora biomass and supporting data collected in the Great Lakes, 2021
Department of the Interior —
This dataset records Cladophora and associated benthic algae, collectively Cladophora community or submerged aquatic vegetation (SAV), biomass collected during the... -
Federal
Cladophora biomass and supporting data collected in the Great Lakes, 2023 (ver. 2.0, April 2025)
Department of the Interior —
This dataset records Cladophora and associated benthic algae, collectively the Cladophora community or submerged aquatic vegetation (SAV), biomass collected during... -
Federal
Great Lakes Restoration Initiative Project 49 Fox River Basin 2016 and 2017 Data
Department of the Interior —
The Fox River transports elevated loads of nitrogen and phosphorus to Lake Michigan. The increased concentration of N and P causes eutrophication of the lake,... -
Federal
Water Quality Analysis Simulation Program (WASP) eutrophication model for the Barnegat Bay-Little Egg Harbor Estuary, New Jersey, USA.
Department of the Interior —
The U.S. Geological Survey (USGS) developed and calibrated a Water Quality Analysis Simulation Program (WASP) model (version 8.4) for the Barnegat Bay-Little Egg... -
Federal
Great Lakes Restoration Initiative: Nutrient cycling in riverbed sediment in the Maumee River Basin, 2019 Data
Department of the Interior —
The Maumee River transports huge loads of nitrogen (N) and phosphorus (P) to Lake Erie. The increased concentrations of N and P are causing eutrophication of the... -
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
Diets and Stable Isotopes of Fishes in Rodeo Lagoon, California, 2016-2017
Department of the Interior —
This dataset includes lab data for fish, fish diets, and stable isotopes for fish tissue, vegetation, and invertebrates collected during daylight hours in the Rodeo... -
Federal
Cladophora biomass and supporting data collected in the Great Lakes, 2020 (ver. 2, March 2023)
Department of the Interior —
This dataset records Cladophora and associated benthic algae, collectively Cladophora community or submerged aquatic vegetation (SAV), biomass collected during the... -
Federal
Nearshore groundwater seepage and geochemical data measured in 2015 at Guinea Creek, Rehoboth Bay, Delaware
Department of the Interior —
Assessment of biogeochemical processes and transformations at the aquifer-estuary interface and measurement of the chemical flux from submarine groundwater discharge... -
Federal
Coral growth parameters, Kahekili, west Maui
Department of the Interior —
Surface runoff and submarine groundwater discharge in particular are known vectors to the coastal ocean of elevated nutrients and contaminants leading to... -
Federal
Seawater carbonate chemistry, Kahekili, west Maui
Department of the Interior —
Time-series of seawater carbonate chemistry variables, including salinity, dissolved inorganic nutrients, pH, total alkalinity, and dissolved inorganic carbon from... -
Federal
Illinois River Basin Streambed Sediment Phosphorus Dynamics, 2024
Department of the Interior —
The Illinois River receives nutrients from point and non-point runoff from upstream urban and agricultural areas. These excess nutrients could be contributing to... -
Federal
Benthic Algal Community Composition in the Laurentian Great Lakes (2024)
Department of the Interior —
This data set includes information on benthic algae community composition collected during the growing season of 2024 at stations located along the U.S. shoreline of...