9 datasets found
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Federal
Estimates of lake nitrogen, phosphorus, and chlorophyll-a concentrations to characterize harmful algal bloom risk across the United States recent views
U.S. Environmental Protection Agency —
The objective of this research was to predict nutrient, chlorophyll-a, and associated harmful algal bloom, hypoxia, and eutrophication effects in US lakes. This... -
Federal
1987-2018 cyanobacteria and water quality data for 20 reservoirs recent views
U.S. Environmental Protection Agency —
These data include cyanobacteria cell densities (including maximum cell densities observed for each year in each reservoir), annual summer (June-August)... -
Federal
Time lags in watershed nitrogen and phosphorus input-output balances: A forty-four year record of the Willamette River Basin recent views
U.S. Environmental Protection Agency —
The following 4 tables accompany the peer-reviewed journal article GS Metson, J Lin, JE Compton, JA Harrison. "Where have all the nutrients gone? Long-term Decoupling... -
Federal
St. Louis River water quality assessment 2012, 2013 recent views
U.S. Environmental Protection Agency —
St. Louis River Area of Concern surface water nutrient (TP, TN, NOx-N, NH4-N), dissolved oxygen, and particulate (TSS, chlorophyll a) concentration data from 2012 and... -
Federal
LMR watershed temporal DNA metabarcoding 2016 study recent views
U.S. Environmental Protection Agency —
LMR watershed temporal DNA metabarcoding 2016 study. This dataset is associated with the following publication: Smucker, N., E. Pilgrim, H. Wu, C. Nietch, J. Darling,... -
Federal
Revised risk-based indices and proposed new composite watershed health measure and application thereof to the Upper Mississippi River Watershed, Ohio River Basin, and Maumee River Basin recent views
U.S. Environmental Protection Agency —
The dataset includes names and geographic coordinates of gauge stations where flow and water quality (sediment, nitrogen, phosphorus) are measured in the Upper... -
Federal
Metadata for Effects of point and nonpoint source controls on total phosphorus load trends across the Chesapeake Bay watershed, USA recent views
U.S. Environmental Protection Agency —
These datasets allow users to acquire necessary input data to replication Zhang et al. (2023) and also review the model output results. This dataset is associated... -
Federal
Linking terrestrial phosphorus inputs to riverine export across the US recent views
U.S. Environmental Protection Agency —
Phosphorus inputs to the landscape from fertilizer and manure inputs, P surplus and P removal by crop harvest and hydrologic export. The input layers are now... -
Federal
Consumer-oriented phosphorus and nitrogen footprints for the U.S. recent views
U.S. Environmental Protection Agency —
The P footprint approach described here emulates the N footprint approach described by Leach et al (2012), with updated (circa 2013-2015 ) values for N from Leach et...
9 datasets found