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The United States Environmental Protection Agency’s National Nutrient Inventory provides estimates of major agricultural, urban, atmospheric, and natural nutrient fluxes for the contiguous US at...
Search relevance: 1.00 | Views last month: 43 | Catalog Last Checked: September 10, 2026 at 07:02 PM -
Compilation of Geospatial Data (GIS) for the Mineral Industries and Related Infrastructure of Africa
This geodatabase reflects the U.S. Geological Survey’s (USGS) ongoing commitment to its mission of understanding the nature and distribution of global mineral commodity supply chains by updating...
Search relevance: 1.00 | Views last month: 25 | Catalog Last Checked: September 10, 2026 at 09:17 PM -
This dataset represents the perennial nontidal water quality and quantity monitoring from 2005-2025 collected by the National Capital Region Network (NCRN) Inventory and Monitoring Program....
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The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States....
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The U.S. Geological Survey (USGS) has compiled a geodatabase containing mineral-related geospatial data for the People's Republic of China. The data can be used in analyses of the extractive fuel...
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Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal...
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The data set contains geochemical data for 1,524,014 rock, sediment, soil, and mineral samples collected by the U.S. Geological Survey within US state, territory or Economic Exclusive Zone (EEZ)...
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References contained in this database are from Bibliography on Atomic Energy Levels and Spectra, NBS Special Publication 363 and Supplements, as well as current references since the last published...
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There is a growing demand for commodities (elements, compounds, minerals) used in today's advanced technologies. Critical minerals are usually found in ore deposits that are deemed vital to...
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The Alaska Geochemical Database Version 3.0 (AGDB3) contains new geochemical data compilations in which each geologic material sample has one best value determination for each analyzed species,...
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The objective of this research was to predict nutrient, chlorophyll-a, and associated harmful algal bloom, hypoxia, and eutrophication effects in US lakes. This research used nutrient and...
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This metadata record documents 2 comma delimited tables representing output from the Chesapeake Bay Program Phase 5.3.2 Watershed Model. The effect of best management practices (BMP) in 2014 in...
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Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed were calculated using monitoring data from the Chesapeake Bay River...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 08:25 PM -
Spreadsheet used to calculated hydrograph recession parameters (Minimum, Most Probable Value, and Maximum) for the Stochastic Empirical Loading Dilution Model (SELDM) . The spreadsheet was used in...
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This dataset provides spatially-explicit freshwater and marine eutrophication characterization factors for the TRACI life cycle impact assessment method, as well as the data used to compile the...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 06:58 PM -
The U.S. Geological Survey (USGS) has undertaken a mineral resources assessment for tungsten for a portion of the Great Basin in parts of western Nevada and east-central California. This data...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 09:19 PM -
This dataset includes physical, chemical, and biological oceanographic data including Karenia brevis counts, biochemistry, and behavior, chlorophyll, water temperature, salinity, fluorometry,...
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This data package was created 2025-07-09 06:47:55 by NPSTORET and includes selected project, location, and result data. Data contained in the Greater Yellowstone Network NPSTORET back-end file...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 07:27 PM -
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-to-date. The Atomic...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 05:50 PM -
The Alaska Geochemical Database Version 4.0 (AGDB4) contains geochemical data compilations in which each geologic material sample has one best value determination for each analyzed species,...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: September 10, 2026 at 10:41 PM
