-
Federal
Simulating changes in the distribution of ammonium and ammonia versus physical and chemical conditions using PHREEQC with applications to toxicity to fish recent views
Department of the Interior —
Two sets of PHREEQC input and output files are provided that illustrate the distribution of aqueous ammonium and ammonia as a function of physical (temperature) and... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: National Atmospheric Deposition Program (NADP) National Trends Network (NTN) 1985-2014 recent views
Department of the Interior —
This data set represents National Atmospheric Deposition Program (NADP) National Trends Network average of annual precipitation-weighted mean atmospheric deposition... -
Federal
Discrete Carbonate System Parameter Measurements in Middle Tampa Bay, Florida and the Eastern Gulf of Mexico, USA recent views
Department of the Interior —
This dataset contains carbonate system data collected by scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center to... -
Federal
Geochemistry data collected (1985-2015) for understanding the evolution of groundwater-contaminant plume chemistry emanating from legacy contaminant sources, an example from a long-term crude oil spill near Bemidji, Minnesota recent views
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release is focused on the geochemistry of wells within the oil zone and groundwater monitoring wells away from the oiled zone... -
Federal
Northeastern Hydrologic Benchmark Network (HBN) Soil Chemistry and Catskill Mountain Water-Quality Data recent views
Department of the Interior —
This data product contains soil chemistry data from 4 locations. Two of the locations were located in the Neversink River watershed near Claryville, NY (01435000) in... -
Federal
Geochemistry Data from Samples Collected in 2015-2017 to study an OG wastewater spill in Blacktail Creek, North Dakota recent views
Department of the Interior —
These metadata sets present the comprehensive geochemical composition of solid and water samples from the site of a 11.4ML (million liters) wastewater spill... -
Federal
Monthly inorganic nitrogen atmospheric wet deposition estimates for the conterminous United States, 1999 through 2020 recent views
Department of the Interior —
This data release provides estimates of monthly wet atmospheric deposition of total inorganic nitrogen (TIN)--the summation of nitrate (NO3) and ammonium (NH4) ions--... -
Federal
Estimates of atmospheric inorganic nitrogen deposition to the Chesapeake Bay watershed, 1950-2050 recent views
Department of the Interior —
Reactive nitrogen is transported from the atmosphere to the landscape as wet and dry deposition that contributes to annual nitrogen loads to the Chesapeake Bay.... -
Federal
Nutrient Depth Profile Data from Prince William Sound, Alaska recent views
Department of the Interior —
These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, pelagic monitoring component. This dataset consists of one table, providing the... -
Federal
Discrete Carbonate System Parameter Measurements in Tampa Bay, Florida, USA recent views
Department of the Interior —
This dataset contains carbonate system data collected by scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center to... -
Federal
The major, minor, and trace element geochemistry of mineral scales from The Geysers geothermal field, California, USA recent views
Department of the Interior —
This data release provides quantitative whole rock geochemical results from The Geysers vapor-dominated geothermal field in California. The concentrations of major... -
Federal
Biogeochemical and microbial data from microcosm experiments using wetland sediment to investigate the influence of antibiotics and a nitrification inhibitor in agricultural run-off on N-cycling processes, 2019-2020. recent views
Department of the Interior —
Wetlands are frequently used in the U.S. for treating nitrate in agricultural runoff. However, numerous other biologically active contaminants, such as antibiotics...