[gis_data]Shuttle Radar Topography Mission:NASAスペースシャトル地形データ:The Shuttle Radar Topography Mission (SRTM) obtained elevation data on a near-global scale to generate the most complete high-resolution digital topographic database of Earth. SRTM consisted of a specially modified radar sy
[gis_data]Shuttle Radar Topography Mission:NASAスペースシャトル地形データ:The Shuttle Radar Topography Mission (SRTM) obtained elevation data on a near-global scale to generate the most complete high-resolution digital topographic database of Earth. SRTM consisted of a specially modified radar sy