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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 ?
Random linear advection equation has been treated in [16] and the statistical moments of the solution of the random Burgers-Riemann problem and of the transport random differential equation are studied in [12] and [21,22], respectively.
Interface-capturing method consists of three methods: a method with a height function, a method with Lagrangian markers, and a method solving an advection equation.
This oscillation can be explained by Godunov's order barrier theorem [33] which states that linear unbounded high-order schemes used to solve the advection equation are not monotonic, allowing unphysical oscillations under some circumstances such as this case of discontinuities.
In Figure 1, we show the graph of solution for the advection equation with initial data
After initialization, the LS function is moved with the flow field according to the following advection equation:
considered the steady linear advection equation [13] and came up with coefficients, which also turned out to work well for the steady Euler equations.
After that, advection Equation 7 is solved with a semi-Lagrangian solver (Courant et al.
The evolution of 0 in a flow field is given by the advection equation:
Modern mathematicians recognize this eighteenth-century wonder worker with 21 papers on such diverse topics as Euler's work from 1750 to 1760, his fourteen most significant problems, his archives, his proof, with Bernoulli, of the fundamental theory of algebra, and his work on the quadrature of lunes, the Basel problem, elliptic integrals, harmonic progressions, power series expansions of the logarithmic and exponential functions, the summation formula, combinatories, the partition function, parallels with Clausen, the motion of the lunar apsides, elastic curves, the advection equation, the propulsion of ships and the creation of accurate maps.
This is also called advection equation. With the help of this method, we use backward space difference provided that the wave speed c is positive and if c is negative, we have to ensure the stability by using forward difference.
We note that since the advection equation (2.1) has been rewritten in the form (2.6), i.e., as a first order hyperbolic equation, it follows that the boundary conditions for [rho] are given at a possible inflow boundary, [[GAMMA]] = {x [member of] [GAMMA], u * n < 0}.