Advection Definition

The transference of heat by horizontal currents of air.
Webster's New World

(earth science, chemistry) The horizontal movement of a body of atmosphere (other fluid) along with a concurrent transport of its temperature, humidity etc.


The transport of a scalar by bulk fluid motion.

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.
American Heritage
The rate of change of an atmospheric property caused by the horizontal movement of air.
American Heritage

Origin of Advection

  • Latin advectiō advectiōn- act of conveying from advectus past participle of advehere to carry to ad- ad- vehere to carry wegh- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin advectio (“act of bringing”), from advectus (past participle of advehere (“to carry to”), from ad- + vehere (“to convey”)) + -io.

    From Wiktionary

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