366 datasets found
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Federal
Next Generation National Nutrient Inventory for Nitrogen and Phosphorus (1987 to 2017)
U.S. Environmental Protection Agency —
The United States Environmental Protection Agency’s National Nutrient Inventory provides estimates of major agricultural, urban, atmospheric, and natural nutrient... -
Federal
TRACI Spatial Eutrophication Characterization Factors_2020-10
U.S. Environmental Protection Agency —
This dataset provides spatially-explicit freshwater and marine eutrophication characterization factors for the TRACI life cycle impact assessment method, as well as... -
Federal
National Geochemical Database on Ore Deposits: Legacy data
Department of the Interior —
There is a growing demand for commodities (elements, compounds, minerals) used in today's advanced technologies. Critical minerals are usually found in ore deposits... -
Federal
NIST Atomic Spectra Database - SRD 78
National Institute of Standards and Technology —
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are... -
Federal
Estimates of lake nitrogen, phosphorus, and chlorophyll-a concentrations to characterize harmful algal bloom risk across the United States
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
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
Global Geochemical Database for Critical Minerals in Archived Mine Samples
Department of the Interior —
The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral... -
Federal
Alaska Geochemical Database Version 4.0 (AGDB4) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media
Department of the Interior —
The Alaska Geochemical Database Version 4.0 (AGDB4) contains geochemical data compilations in which each geologic material sample has one best value determination for... -
Federal
Compilation of Geospatial Data (GIS) for the Mineral Industries and Related Infrastructure of Africa
Department of the Interior —
This geodatabase reflects the U.S. Geological Survey’s (USGS) ongoing commitment to its mission of understanding the nature and distribution of global mineral... -
Federal
DWTRs_Data_P_Sorption_Capacity_Manuscript_Data
U.S. Environmental Protection Agency —
DWTRs Data and P sorption capacity. This dataset is associated with the following publication: Ament, M.R., S.E. Hurley, M. Voorhees, E. Perkins, Y. Yuan, J.W.... -
Federal
LTAR Phosphorus Budget Summary
Department of Agriculture —
Surface agronomic P budgets for 61 cropping systems using field-scale P flux data across 24 research sites in the United States and Canada. Data are representative of... -
Federal
WetlandNNI: Quantification of hydrologic interception of nitrogen and phosphorus (National Nutrient Inventory) by conterminous U.S. wetlands (1987-2017)
U.S. Environmental Protection Agency —
Wetlands provide numerous critical functions, including nutrient cycling and water quality improvement, that have made them a critical component of many state and... -
Federal
NIST Handbook of Basic Atomic Spectroscopic Data - SRD 108
National Institute of Standards and Technology —
This handbook provides a selection of the most important and frequently used atomic spectroscopic data in an easily accessible format. The compilation includes energy... -
Federal
CTD, water quality, and phytoplankton data from the R/V Bellows cruise BE-1322 in the Gulf of Mexico from 2013-06-02 to 2013-06-04 (NCEI Accession 0161217)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains conductivity, temperature, and depth data from R/V Bellows cruise BE-1322 of the offshore shelf of the Florida Panhandle Bight at the head of... -
Federal
Nutrient and Coliform Loading (NCL)
National Oceanic and Atmospheric Administration, Department of Commerce —
This is a database of available fecal coliform bacteria, fecal streptococci bacteria, and nutrient loading data. Loading for contaminants other than fecal coliform... -
State
Geochemical major-oxide, minor-oxide, trace-element, and rare-earth-element data from rocks and streams sediments collected in 2012 in the Ray Mountains area, Beaver, Bettles, Livengood, and Tanana quadrangles, Alaska
State of Alaska —
Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a helicopter-supported geological and geochemical... -
Federal
National Status and Trends: Bioeffects Program - Southwest Puerto Rico Chemical Contaminant Assessment Summary
National Oceanic and Atmospheric Administration, Department of Commerce —
The purpose of the project was to characterize the extent and magnitude of chemical contamination in southwest Puerto Rico, as part of a larger effort to link coral... -
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
Observations of total phosphorous (TP) to support nearshore nutrient modeling, 2015.
U.S. Environmental Protection Agency —
The USEPA participated in the 2015 Cooperative Science and Monitoring Initiative (CSMI) focus year for Lake Michigan. This work is describd here:... -
Federal
BioProject ID PRJNA592969
U.S. Environmental Protection Agency —
DNA sequences--already publicly available
366 datasets found