Oberaletschgletscher (Alps)
Located in the Swiss Alps (46°25’21”N 7°57’55”E), RGI60-11.01827.
The sources available are: ASTER, COPDEM30, COPDEM90, AW3D30, DEM3, SRTM, NASADEM, MAPZEN and TanDEM-X.
Summary
one of the (many) cases where TanDEM-X has data gaps and artefacts
NASADEM shows noticeable differences to SRTM in steeper (often unglaciated areas) which are also present in e.g. ASTER. But the flatter parts of the glacier are very similar.
Maps
Shaded relief
Differences
Scatter plots
These scatter plots are for the glacier area only.