308 datasets found
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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
Pacific Island Network 2007-2023 Water Quality Data from 17 Projects as of 2025-07-25
Department of the Interior —
This data package was created 2025-07-25 13:47:37 by NPSTORET and includes selected project, ___location, and result data. Data contained in the Pacific Island Network... -
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 data release includes data processing scripts, data products, and associated metadata for a study investigating trends in Mississippi River nitrogen and... -
Federal
Global gridded dataset of terrestrial biological nitrogen fixation across natural and agricultural biomes
Department of the Interior —
This dataset includes global rasters of terrestrial biological nitrogen fixation (BNF) rates (in kgN/(ha*y)) for each major N-fixing niche in natural biomes (trees,... -
Federal
Alaska Geochemical Database Version 3.0 (AGDB3) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media
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
Compilation of Geospatial Data (GIS) for the Mineral Industries of Select Countries in the Indo-Pacific
Department of the Interior —
The U.S. Geological Survey (USGS) has compiled a geodatabase containing mineral-related geospatial data for 19 countries of interest in the Indo-Pacific region (area... -
Federal
Water quality, and periphyton growth, copper concentration, and community structure data associated with a nutrient diffusing substrate experiment conducted in Pear Lake, Sequoia National Park, California in 2022
Department of the Interior —
This dataset includes files associated with a 21-day nutrient diffusing substrate experiment run in Pear Lake of Sequoia National Park, California in summer 2022. The... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2020 (ver. 2.0, January 2023)
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
Specific Water Quality Sites for Millard County, Utah
Department of the Interior —
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System).... -
Federal
Dataset of water boundaries intersected with MRB_RF1 reach flowlines
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
Collection, analysis, and age-dating of sediment cores from natural and restored salt marshes on Cape Cod, Massachusetts, 2015-16
Department of the Interior —
Nineteen sediment cores were collected from five salt marshes on the northern shore of Cape Cod where previously restricted tidal exchange was restored to part of the... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2017: Monthly loads
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
Lake Erie Tributaries: Nutrient and streamflow trend results
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
Estimated nitrogen from septic for the conterminous United States, 2010 (SepN_CONUS_bg_2010)
Department of the Interior —
This metadata record documents a rudimentary estimate of nitrogen from septic for the conterminous United States for 2010, derived from block-group 1990 and 2010... -
Federal
Soil and surface water nitrogen and caffeine data from 2019, and 2019-2020 trail counts of hikers in Loch Vale Watershed, Rocky Mountain National Park
Department of the Interior —
Daily visitor use in Rocky Mountain National Park has increased substantially since 2014, raising questions about the impact of human waste on water quality in... -
Federal
Black Canyon of the Gunnison National Park and Curecanti National Recreation Area 1959-2024 Water Quality Data from the BLCA_CURE_WQ Project as of 2024-01-19
Department of the Interior —
This data package was created 2024-10-17 14:21:45 by NPSTORET and includes selected project, ___location, and result data. The data derive from three sources: (1)... -
Federal
Carbon, nitrogen, and phosphorus content of adult emergent Diptera before and after a fire-storm sequence in the Colorado River near Shinumo Creek, Grand Canyon, AZ
Department of the Interior —
This dataset includes total phosphorus (TP), total nitrogen (TN), and total carbon (TC) concentrations as well as δ15N and δ13C composition, and overall C:N:P... -
Federal
Total mercury and methylmercury concentrations in biota from the Hells Canyon Reservoir Complex on the Snake River, Idaho and Oregon, USA
Department of the Interior —
Comma-separated values (.csv) file containing data related to mercury in biota collected from the Hells Canyon Reservoir Complex on the Snake River, Idaho and Oregon. -
Federal
Estimated Densities of Residential Septic Tanks across the Conterminous United States for 12-digit Hydrologic Unit Code 12 (HUC12), National Hydrography Dataset Plus Version 2 (NHDPlusV2) Catchment, and Block Group Scales
Department of the Interior —
This dataset provides estimates of residential septic tank densities at 12-digit Hydrologic Unit Code (HUC12), National Hydrography Dataset (NHD Plus version 2.1,... -
Federal
Tabular county-level nitrogen and phosphorus estimates from fertilizer and manure for approximately 5-year periods from 1950 to 2017
Department of the Interior —
This product provides tabular estimates of kilograms of nitrogen and phosphorus from a) fertilizer, and b) manure, for counties in the conterminous United States for...
308 datasets found