| Min | Max | Mean | Correlation |
Observed H | −1.9 | 22.3 | 8.7 | NA |
SRTM 1 | −4.8 | 24.0 | 7.2 | 0.92 |
SRTM 3 | −3.0 | 25.9 | 7.1 | 0.89 |
EarthEnv-DEM90 | −4.0 | 28.2 | 6.7 | 0.94 |
GTOPO30 | −6.6 | 35.9 | 10.7 | 0.47 |
GMTED2010 | −5.1 | 29.1 | 7.1 | 0.90 |
ASTER | −4.4 | 34.5 | 11.1 | 0.57 |
GLOBE | −6.3 | 30.4 | 10.2 | 0.47 |
AW3D30 | −4.0 | 39.2 | 8.0 | 0.94 |