Comparison of new and existing global digital elevation models: ASTER G-DEM and SRTM-3

A new global elevation dataset known as G‐DEM, based on the ASTER satellite imagery, will be released in late 2008. G‐DEM will be the best freely available global digital elevation model (DEM) at a horizontal resolution of 1 arc second. We assess the quality of G‐DEM in comparison with 3‐arc‐second...

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Veröffentlicht in:	Geophysical research letters 2008-09, Vol.35 (17), p.n/a
Hauptverfasser:	Hayakawa, Yuichi S., Oguchi, Takashi, Lin, Zhou
Format:	Artikel
Sprache:	eng
Schlagworte:	digital elevation model Earth sciences Earth, ocean, space Exact sciences and technology geomorphometry landform
Online-Zugang:	Volltext
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