Secondary circulation: Difference between revisions
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#<div class="definition"><div class="short_definition">Atmospheric [[circulation]] features of [[cyclonic scale]].</div><br/> <div class="paragraph">Use of the term is usually reserved for distinguishing between the various dimensions of atmospheric circulation, that is, [[primary circulation]], [[tertiary circulation]]. <br/>''See also'' [[general circulation]].</div><br/></div> | #<div class="definition"><div class="short_definition">Atmospheric [[circulation]] features of [[cyclonic scale]].</div><br/> <div class="paragraph">Use of the term is usually reserved for distinguishing between the various dimensions of atmospheric circulation, that is, [[primary circulation]], [[tertiary circulation]]. <br/>''See also'' [[general circulation]].</div><br/></div> | ||
#<div class="definition"><div class="short_definition">A [[circulation]] induced by the presence of a stronger [[circulation]] as a result of dynamical constraints. A [[frictional secondary flow]] is an example.</div><br/> </div> | #<div class="definition"><div class="short_definition">A [[circulation]] induced by the presence of a stronger [[circulation]] as a result of dynamical constraints. A [[frictional secondary flow]] is an example.</div><br/> </div> | ||
#<div class="definition"><div class="short_definition">Organized flow superimposed on a larger-scale mean circulation.</div><br/> <div class="paragraph">For example, [[roll vortices]] are a [[secondary circulation]] in the [[atmospheric boundary layer]]. They | #<div class="definition"><div class="short_definition">Organized flow superimposed on a larger-scale mean circulation.</div><br/> <div class="paragraph">For example, [[roll vortex|roll vortices]] are a [[secondary circulation]] in the [[atmospheric boundary layer]]. They "fill" the [[boundary layer]] vertically, but have a width of only two to three times the boundary layer depth, while the mean wind [[profile]] extends over a much broader region.</div><br/> </div> | ||
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Latest revision as of 17:50, 25 April 2012
secondary circulation
- Atmospheric circulation features of cyclonic scale.
Use of the term is usually reserved for distinguishing between the various dimensions of atmospheric circulation, that is, primary circulation, tertiary circulation.
See also general circulation. - A circulation induced by the presence of a stronger circulation as a result of dynamical constraints. A frictional secondary flow is an example.
- Organized flow superimposed on a larger-scale mean circulation.
For example, roll vortices are a secondary circulation in the atmospheric boundary layer. They "fill" the boundary layer vertically, but have a width of only two to three times the boundary layer depth, while the mean wind profile extends over a much broader region.
