DEM

Released Year

Spatial Resolution

arc second

m

ALOS AW3D30

2015

1"

~30

SRTM 1

2015

1"

~30

ASTER v.2

2011

1"

~30

EarthEnvi-90 m

2014

3"

~90

SRTM 3

2009

3"

~90

GMTED2010

2011

7.5"

~225

GLOBE

2000

30"

~900

GTOPO30

1996

30"

~900