Talk:Grand Erg Oriental

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Size?

It is obvious from looking at a map, that it is more than 200 km north-south. As the oft quoted area is 192,000 km², this is impossible within a 600x200 km rectangle. (Source: Measuring Sand Dune Migration Rates with COSI-Corr and Landsat: Opportunities and Challenges, Thomas Baird, Charles S. Bristow, Pieter Vermeesch). Where does this "200 km north-south" come from? There's no source quoted for that claim and it is quite obviously not accurate. 109.56.229.83 (talk) 09:02, 6 June 2020 (UTC)[reply]