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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.


(Environmental Science) relating to advection
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Adj.1.advective - of or relating to advectionadvective - of or relating to advection    
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Zones are connected by paths, through which mass, energy, and contaminants are transferred advectively.
The strongest alteration occurs in minerals at the fracture surface where advectively transported oxygen oxidizes the reduced species, especially [Fe.
nanometer-sized, often bimetallic particles that continue to move advectively with groundwater after injection) versus what may actually be occurring in the field (i.