The ASTER Global Digital Elevation Model (GDEM) Version 3 (ASTGTM) provides a global digital elevation model (DEM) of land areas on Earth at a spatial resolution of 1 arc second (approximately 30 meter horizontal posting at the equator).
The development of the ASTER GDEM data products is a collaborative effort between National Aeronautics and Space Administration (NASA) and Japan’s Ministry of Economy, Trade, and Industry (METI). The ASTER GDEM data products are created by the Sensor Information Laboratory Corporation (SILC) in Tokyo.
The Dataset contains and will contain the following: • Updated text; • National R2R website or associated links; • Social media account names/handles – FB, Twitter, Instagram, Youtube etc; • Newsletters ; • Articles ; • Videos • Photographs • Resources – Concept/Technical Notes, Guides, Posters etc.