FREE GLOBAL INTERNET GIS DATABASES
Gábor TIMÁR
Space Research Group, Dept. of Geophysics, Eötvös University of Budapest, Hungary
Folytatás magyarul

Digital Elevation Models
SRTM (Shuttle Radar Topography Mission), 3 arc second resolution digital elevation model (Unfinished).
SRTM (Shuttle Radar Topography Mission), 3 arc second resolution digital elevation model (Finished).
SRTM (Shuttle Radar Topography Mission), in 5*5 degree tiles.
SRTM-30, 30 arc second resolution digital elevation model.
GLOBE data (Global Land One-km Base Elevation), 30 arc second resolution digital elevation model.
2 arc minute resolution digital elevation model with the seafloor topography.

Satellite Imagery
Full Landsat TM false color composite coverage in MRSID format.
Ten-years-old Landsat MSS and TM full scenes.
Actual MODIS images in HDF format (delay: 1-3 days)
Actual meteorological satellite image (METEOSAT, IR 10.8, full disk from 0 longitude)

Vector Databases
Coastlines, rivers, country- and regional borders.
Coastline database on FTP

Shape of the Earth, Geoid undulation
EGM96 global geoid model. Geoid undulation data w.r.t the WGS84 datum.
Calculation of the geoid undulation to a location based on the EGM96 WGS84 model.
EGM2008 global geoid model.
The GRACE model.

Other thematic data
Global soil datasets and maps.

Worldwide map projection and geodetic datum parameters
Database of the European Petroleum Survey Group. (MS Access 97 format database, ZIP-compressed)
Grids & datums of the European countries

Orbit elements of satellites
The NORAD database. (NOTE: data service ends at 1 Oct 2004)
Description of the NASA Two-Line format.
What the heck are the Keplerian elements?

Global earthquake databases
USGS National Earthquake Information Center (1973-)
University of Berkeley, Council of the National Seismic System (1950-)
Incorporated Research Institutions for Seismology

Sea level and tidal data
Permanent Service for Mean Sea Level
IERS SBO (Global oceanic angular momentum & center-of-mass)

Planetary data
PDS Geosciences Node

METAR meteorological data
Original METAR messages of the airports
Decoded METAR data of the airports
Decoding of the METAR messages
ICAO codes of the airports

Rainfall
Global Rainfall Map in Near Real Time (JAXA/EORC)

Topographic maps
Czech map server, by coutries, many topographic maps. Free registration needed.
University of Berkeley, topographic map server.
Russian topographic map server, with the maps of the old Soviet Union.

Last modified: 06 SEP 2008