Planetary boundary layer

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

In meteorology, the planetary boundary layer (PBL), also known as the atmospheric boundary layer (ABL) or peplosphere, is the lowest part of the atmosphere and its behaviour is directly influenced by its contact with a planetary surface.

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

Image: Earth Systems Research Laboratory, NOAA, Public domain, via Wikimedia Commons.