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Advection of warm moist air over a cooler surface, such as water, causes fog.


1. 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.
2. The rate of change of an atmospheric property caused by the horizontal movement of air.
3. The horizontal movement of water, as in an ocean current.

[Latin 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.]

ad·vec′tive adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(General Physics) the transference of heat energy in a horizontal stream of gas, esp of air
[C20: from Latin advectiō conveyance, from advehere, from ad- to + vehere to carry]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ædˈvɛk ʃən)

1. a shift in temperature, humidity, or the like resulting from horizontal movement of an air mass (disting. from convection).
2. the horizontal flow of air, water, etc.
[1905–10; < Latin advectiō=advec-, variant s. of advehere to convey (ad- ad- + vehere to carry) + -tiō -tion]
ad•vec′tive, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


the horizontal movement of elements of the atmosphere. Cf. convection. — advective, adj.
See also: Atmosphere
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.advection - (meteorology) the horizontal transfer of heat or other atmospheric propertiesadvection - (meteorology) the horizontal transfer of heat or other atmospheric properties
meteorology - the earth science dealing with phenomena of the atmosphere (especially weather)
temperature change - a process whereby the degree of hotness of a body (or medium) changes
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
LES forms when boundary layer convection is initiated as a result of a cold and dry continental air mass advecting over the relatively warm lake, generating turbulent moisture and heat fluxes that destabilize the lower part of the planetary boundary layer (PBL).
Although these studies lacked the resolution to definitively characterize this behavior, they suggested that advection could reduce the thermal anomaly associated with salt structures by transporting heat away from a structure or that it could enhance the thermal anomaly by advecting heat up the diapir flank.
In the case of [DELTA][T.sub.MAX], it is the sea ice (or lack thereof) acting upon advecting air that leads to the temperature difference signal.
Immediately behind the cold front, there's a strong pressure gradient, indicated by the tight packing of the isobar lines, and cold air is advecting in from the north.
for computation of advecting property of fluid momentum in two or three-dimensional directions.
Sea urchin spawning in benthic boundary layers: are eggs fertilized before advecting away from females?
It bring us a mid-winter scenario with strong southerly and southeasterly winds, advecting the cold air as far north as Otjiwarongo.
Poincare maps were generated using Eq 5 by advecting fluid elements at 101 initial locations, X in the mixing chamber for a large number of periods, usually not less than 200.
While light winds are advecting moisture into the area from the adjacent waters, local heating creates afternoon thundershowers to recycle evaporated soil moisture.