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Federal
ASTER Global DEM NGDA
National Aeronautics and Space Administration —
ASTER is capable of collecting in-track stereo using nadir- and aft-looking near infrared cameras. Since 2001, these stereo pairs have been used to produce single-... -
Federal
Tropic of Cancer
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Cancer lies at 23d 26' 22" (23.4394 degrees) north of the Equator and marks the most northerly latitude at which the sun can appear directly overhead at... -
Federal
NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP) Version 9 - SRD 23
National Institute of Standards and Technology —
**NOTICE: THIS VERSION OF REFPROP (9.1) has been superseded by Version 10: https://doi.org/10.18434/T4/1502528 ** NIST Standard Reference Data 23 contains revised... -
Federal
USDA Nutrient Data Set for Retail Meat Cuts: Beef, Lamb, Pork and Veal
Department of Agriculture —
The United States Department of Agriculture (USDA) Nutrient Data Laboratory (NDL), in collaboration with the National Cattlemen's Beef Association, National Pork... -
Federal
ASTER Global Digital Elevation Model V003
National Aeronautics and Space Administration —
The Terra Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Digital Elevation Model (GDEM) Version 3 (ASTGTM) provides a global digital... -
Federal
NIST Chemical Kinetics Database
National Institute of Standards and Technology —
The NIST Chemical Kinetics Database includes essentially all reported kinetics results for thermal gas-phase chemical reactions. The database is designed to be... -
Federal
NIST/ASME Steam Properties Database - SRD 10
National Institute of Standards and Technology —
The NIST/ASME Steam Properties Database is based upon the International Association for the Properties of Water and Steam (IAPWS) 1995 formulation for general and... -
Federal
NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP) Version 10 - SRD 23
National Institute of Standards and Technology —
REFPROP is an acronym for REFerence fluid PROPerties. This program, developed by the National Institute of Standards and Technology (NIST), calculates the... -
Federal
NIST/ASME Steam Properties Database - SRD 10
Department of Commerce —
The NIST/ASME Steam Properties Database is based upon the International Association for the Properties of Water and Steam (IAPWS) 1995 formulation for general and... -
Federal
Data Release for the 2023 U.S. 50-State National Seismic Hazard Model - Overview
Department of the Interior —
The U.S. National Seismic Hazard Model (NSHM) was updated in 2023 for all 50 states using the best available science related to earthquake seismicity, fault ruptures,... -
Federal
Data for Regression Models to Estimate Water Use in Providence, Rhode Island, 2014-2021
Department of the Interior —
This data release contains input data and programs (scripts) used to estimate monthly water demand for retail customers of Providence Water, located in Providence,... -
Federal
Gridded Population of the World, Version 4 (GPWv4): Population Count, Revision 11
National Aeronautics and Space Administration —
The Gridded Population of the World, Version 4 (GPWv4): Population Count, Revision 11 consists of estimates of human population (number of persons per pixel),... -
Federal
NIST Database of the Thermophysical Properties of Gases Used in the Semiconductor Industry
National Institute of Standards and Technology —
The 1999 Semiconductor Industry Association (SIA) International Technology Roadmap for Semiconductors (ITRS) identifies 'Equipment Modeling' as first in a list of... -
Federal
NIST Thermophysical Properties of Hydrocarbon Mixtures Database- SRD 4
National Institute of Standards and Technology —
SUPERTRAPP is an interactive computer program for predicting thermodynamic and transport properties of pure fluids and fluid mixtures containing up to 20 components.... -
Federal
Gridded Population of the World, Version 4 (GPWv4): Population Density, Revision 11
National Aeronautics and Space Administration —
The Gridded Population of the World, Version 4 (GPWv4): Population Density, Revision 11 consists of estimates of human population density (number of persons per... -
Federal
ARPA-E Grid Optimization (GO) Competition Challenge 1
Department of Energy —
The ARPA-E Grid Optimization (GO) Competition Challenge 1, from 2018 to 2019, focused on the basic Security Constrained AC Optimal Power Flow problem (SCOPF) for a... -
Federal
Tropic of Capricorn
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Capricorn lies at 23d 26' 22" (23.4394 degrees) south of the Equator and marks the most southerly latitude at which the sun can appear directly overhead... -
Federal
Shuttle Radar Topography Mission (SRTM) Images
National Aeronautics and Space Administration —
Culminating more than four years of processing data, NASA and the National Geospatial-Intelligence Agency (NGA) have completed Earth's most extensive global... -
Federal
Productivity of U.S. Rangelands, Annual Data lbs/acre (Image Service)
Department of Agriculture —
Production data were generated using the Normalized Difference Vegetation Index (NDVI) from the Thematic Mapper Suite from 1984 to 2023 at 250 m resolution. The NDVI... -
Federal
KINEROS - The kinematic runoff and erosion model
Department of Agriculture —
The kinematic runoff and erosion model KINEROS is an event oriented, physically based model describing the processes of interception, infiltration, surface runoff and...