Wanted: A rather large DEM

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I am looking for a rather large DEM --- on the trillion cell scale --- to run some tests on.

So far, I have found:

• 200 billion cells: The SRTM Global Dataset 30m DEM
• 120 billion cells: The National Elevation Dataset 10m DEM (higher resolutions have incomplete spatial coverage)
• 70 billion cells: The PAMAP Lidar 1m DEM

Are there any publically-available DEMs, which are not stored in an Arc Geodatabase format, which meet or exceed the 1 trillion cell threshold?



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