https://doi.org/10.1351/goldbook.A00168
The transport of air, its properties (such as heat), trace materials, @F02470@, cold air, etc., solely by mass motion of the atmosphere, generally in a horizontal direction.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2171 [Terms] [Paper]