Saharan air layer

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Notion

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Science and technology

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What Wikipedia says

The Saharan air layer (SAL) is an extremely hot, dry, and sometimes dust-laden layer of the atmosphere that often overlies the cooler, more humid surface air of the Atlantic Ocean. It carries upwards of 60 million tons of dust annually over the ocean and the Americas.

Excerpt from the Wikipedia article “Saharan air layer”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Jeff Schmaltz, Public domain, via Wikimedia Commons.