convection (as applied to air motion)

https://doi.org/10.1351/goldbook.C01313
Vertical motion of the air induced by the expansion of the air heated by the earth's surface and its resulting buoyancy.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2182 [Terms] [Paper]