Greetings to you all,

Those who are looking for higher resolution DEM, I have a very good news to convey!

Now, NASA/METI has released the 30m global (83°N and 83°S and is composed of 22,600 1°-by-1° tiles) ASTER GDEM based on 1,264,118 single ASTER dems from 1.4 million scenes in total. 95% vertical ci: 20 meters, 95% horizontal ci: 30 meters)

ASTER GDEM tilescan be downloaded electronically from ERSDAC by visiting the link below: This web-based search system has 4 methods for tile selection. You can select tiles with one of the following methods...

• Select tiles directly
• Select tiles by polygon
• Select tiles by shapefile
• Select tiles by coordinates


Visit below for full details:
http://free-gis-data.blogspot.com/2009/04/aster-global-digital-elevation-model.html

Thanks for your time!

Sincerely,
The Publisher,
http://free-gis-data.blogspot.com

Note: This site will be updated with more and more free GIS stuff daily, so please keep visiting in future!