-
Federal
CORONA Satellite Photography
National Aeronautics and Space Administration —
On February 24, 1995, President Clinton signed an Executive Order, directing the declassification of intelligence imagery acquired by the first generation of United... -
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
India Village-Level Geospatial Socio-Economic Data Set: 1991, 2001
National Aeronautics and Space Administration —
The India Village-Level Geospatial Socio-Economic Data Set: 1991, 2001 is a compilation of the finest level of administrative boundaries in India (village/town-level)... -
Federal
National Agriculture Imagery Program (NAIP)
National Aeronautics and Space Administration —
The National Agriculture Imagery Program (NAIP) acquires aerial imagery during the agricultural growing seasons in the continental U.S. A primary goal of the NAIP... -
Federal
Shuttle Radar Topography Mission DTED Level 1 (3-arc second) Data (DTED-1)
National Aeronautics and Space Administration —
The Shuttle Radar Topography Mission (SRTM) successfully collected Interferometric Synthetic Aperture Radar (IFSAR) data over 80 percent of the landmass of the Earth... -
Federal
Combined GPS Broadcast Ephemeris Data (30-second sampling, hourly files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Combined Broadcast Ephemeris Data (hourly files of all distinct navigation messages... -
Federal
U.S. Geological Survey Aerial Photography
National Aeronautics and Space Administration —
The U.S. Geological Survey (USGS) Aerial Photography data set includes over 2.5 million film transparencies. Beginning in 1937, photographs were acquired for mapping... -
Federal
Global Population Density Grid Time Series Estimates
National Aeronautics and Space Administration —
The Global Population Density Grid Time Series Estimates provide a back-cast time series of population density grids based on the year 2000 population grid from... -
Federal
NACP North American Forest Dynamics Project: Forest Disturbance and Regrowth Data
National Aeronautics and Space Administration —
This data set provides the results of time-series analyses of Landsat imagery for 55 selected forested sites across the conterminous U.S.A. The output is a pair of... -
Federal
Georeferenced Population Datasets of Mexico (GEO-MEX): GIS of Mexican States, Municipalities and Islands
National Aeronautics and Space Administration —
The GIS of Mexican States, Municipalities and Islands consists of attribute and boundary data for 1990. The attribute data include population, language, education,... -
Federal
Declassified Satellite Imagery 2 (2002)
National Aeronautics and Space Administration —
Declassified satellite images provide an important worldwide record of land-surface change. With the success of the first release of classified satellite photography... -
Federal
OMNIWeb at the Space Physics Data Facility (SPDF)
National Aeronautics and Space Administration —
Hourly-averaged near-Earth solar wind magnetic field and plasma, etc. The web services consists of OMNI data (spacecraft-interspersed, near-Earth solar wind data);... -
Federal
Daily and Annual PM2.5, O3, and NO2 Concentrations at ZIP Codes for the Contiguous U.S., 2000-2016, v1.0
National Aeronautics and Space Administration —
The Daily and Annual PM2.5, O3, and NO2 Concentrations at ZIP Codes for the Contiguous U.S., 2000-2016, v1.0 data set contains daily and annual concentration... -
Federal
Hipparcos Main Catalog
National Aeronautics and Space Administration —
The Hipparcos and Tycho Catalogues are the primary products of the European Space Agency's astrometric mission, Hipparcos. The satellite, which operated for four... -
Federal
CORONA Satellite Photographs from the U.S. Geological Survey
National Aeronautics and Space Administration —
The first generation of U.S. photo intelligence satellites collected more than 860,000 images of the Earth’s surface between 1960 and 1972. The classified military...