MODEL

ALOS W3D30

ASTER GDEM2

SRTM30

COVERAGE

82N-82S, 180E-180W

83N-83S, 180E-180W

60N-56S, 180E-180W

RESOLUTION

1”

1”

1”

HORIZONTAL DATUM

GRS 80

WGS84

WGS84

VERTICAL DATUM

EGM96

EGM96

EGM96

VERSION

2.1

2.0

3.0

YEAR OF RELEASE

2017

2011

2015

VERTICAL ACCURACY

RMSE, 5 m

RMSE, 17 m

RMSE, 16 m

IMAGING SYSTEM

Optical

Optical

SAR C-band

SOURCE

[25] [27] [28]

[26] [29]

[26] [30]

WEBSITE

http://www.eorc.jaxa.jp/ALOS/en/aw3d30

http://earthexplorer.usgs.gov

http://earthexplorer.usgs.gov