Spatiotemporal variability of dune velocities and corresponding uncertainties, detected from optical image matching in the North Sinai Sand Sea, Egypt

E Ali, W Xu, X Ding - Remote Sensing, 2021 - mdpi.com
Understanding the relationship between climatic conditions and dune ecosystems requires
the large-scale monitoring of spatiotemporal patterns of dune velocities. Due to their large …

Assessment of Aeolian Activity in the Bodélé Depression, Chad: A Dense Spatiotemporal Time Series From Landsat-8 and Sentinel-2 Data

E Ali, W Xu, L **e, X Ding - Frontiers in Environmental Science, 2022 - frontiersin.org
There are several hotspots of dust production in the central Sahara, the Bodélé Depression
(BD) in northern Chad is considered the largest source of aerosol dust worldwide, with the …