Table 3 Migration monitoring of barchan dunes around the world
Sample | Location | Satellite data (m) | No. of Periods | Duration (dd/mm/yyyy) | No. of dunes | ut (m s−1) |
|---|---|---|---|---|---|---|
L1 | China 40.6°N, 93.0°E | Planet (3 × 3 m) | 10 | 25/03/2017–25/03/2022 | 20 | 5.2352 |
L2 | Chad 17.9°N, 19.4°E | Planet (3 × 3 m) | 16 | 03/06/2016–19/07/2022 | 24 | 5.18 |
L3 | Qatar 25.0°N, 51.5°E | Google Earth (0.27 × 0.27 m) | 8 | 22/11/2009–11/07/2020 | 10 | 4.92 |