Origin of advectionad- + (con)vection
- The transfer of a property of the atmosphere, such as heat, cold, or humidity, by the horizontal movement of an air mass: Today's temperatures were higher due to the advection of warm air into the region.
- The rate of change of an atmospheric property caused by the horizontal movement of air.
- The horizontal movement of water, as in an ocean current.
Origin of advectionLatin advectiō advectiōn- act of conveying from advectus past participle of advehere to carry to ad- ad- vehere to carry ; see wegh- in Indo-European roots.
Advection of warm moist air over a cooler surface, such as water, causes fog.
From Latin advectio (“act of bringing”), from advectus (past participle of advehere (“to carry to”), from ad- + vehere (“to convey”)) + -io.