September 22, 2022 - Dust in West Afria
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A long river of dust blew through the Sahara Desert in late September
2022, extending more than 2,600 miles (4,180 km) from Libya to
Mauritania. The Moderate Resolution Imaging Spectroradiometer (MODIS)
on NASA’s Aqua satellite acquired a true-color image of a portion of
Saharan dust hanging over Mauritania and Western Sahara on September
21. The cloud of air-borne dust was so thick that much of the landscape
beneath was obscured from view.
Sand seas provide ample material for dust storms, and such seas extend
across substantial portions of Libya, Algeria, Mali, and Mauritania.
Sand seas also cover parts of Western Sahara. In addition to sandy
desert, this region is covered with impermanent rivers, and the fine
sediments of dry riverbeds can also be borne aloft by winds.
Image Facts
Satellite: Aqua
Date Acquired: 9/21/2022
Resolutions: 1km (863.5 KB), 500m (2 MB), 250m (1.1 MB)
Bands Used: 1,4,3
Image Credit: MODIS Land Rapid Response Team, NASA GSFC
https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2022-09-22
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