Articles > Journals > Applied Sciences journals > Journal of the Atmospheric Sciences articles > June 2009

Article: The Role of Boundary Layer Processes in Limiting PV Homogenization

Article from:
Journal of the Atmospheric Sciences
Article date:
June 1, 2009
Author:
Copyright

ABSTRACT

A β-plane multilevel quasigeostrophic channel model with interactive static stability and a simplified parameterization of atmospheric boundary layer physics is used to study the role of different boundary layer processes in eddy equilibration and their relative effect in maintaining the strong boundary layer potential vorticity (PV) gradient.

The model results show that vertical thermal diffusion, along with the surface heat exchange, is primarily responsible for limiting PV homogenization by baroclinic eddies in the boundary layer. Under fixed SST boundary conditions, these two processes act as the source of the mean flow baroclinicity in the lower levels and result in ...

Read all of this article with a FREE trial

Related newspaper, magazine, and journal articles:

Article: Boundary layer effects on fronts over topography
Journal of the Atmospheric Sciences;  August 1, 2001 ;     700+ words ... ... study the effects of surface friction on fronts passing ... dimensional ridge. Surface friction is parameterized ... theory planetary boundary layer (BL) parameterization ... Previous studies without surface friction, such as Williams ...

Article: The Reflection of a Stationary Gravity Wave by a Viscous ...
Journal of the Atmospheric Sciences;  September 1, 2007 ;     700+ words ... ... are absorbed in the boundary layer (Smith et al. 2006 ... the presence of a boundary layer (Bougeault and Lacarrere ... specification of the surface friction and the treatment ... dissipation in the boundary layer parameterization ...

Article: Boundary Layer Dynamics and Cross-Equatorial Hadley ...
Journal of the Atmospheric Sciences;  May 15, 2004 ;     700+ words ... ... the depth of the planetary boundary layer and the sea surface temperature ... return flow rises above the boundary layer in the winter hemisphere ... precipitation. The planetary boundary layer (PBL), that is, the ... is directly affected by surface friction and energy ...

Article: Observed Boundary Layer Wind Structure and Balance ...
Journal of the Atmospheric Sciences;  September 1, 2006 ;     700+ words ... ... flow in the upper boundary layer near the radius of ... asymmetries in the boundary layer wind field and in ... consistent with asymmetric surface friction due to the storm ... than to motion. The boundary layer flow was simulated ...

Article: Tropical Cyclone Motion in Response to Land Surface ...
Journal of the Atmospheric Sciences;  April 1, 2006 ;     700+ words ... ... vertical motion. Second, asymmetric boundary layer convergence that results from the internal boundary layer could also force an asymmetry in vertical ... When a TC is close to a coast, the boundary layer winds over land are weaker than those ...

Article: Diagnostic Equations for the Stable Boundary Layer ...
Journal of Applied Meteorology and Climatology;  February 1, 2007 ;     700+ words ... ... equations for the stable boundary layer height h is evaluated ... formulation depends on the surface friction velocity u^sub ... parameter for the boundary layer height estimation ... Introduction The stable boundary layer (SBL) height h ...

Article: Wind and temperature profiles in the radix layer: The bottom ...
Journal of Applied Meteorology;  June 1, 1998 ;     700+ words ... ... convective atmospheric boundary layer is often a deep layer ... of the convective boundary layer. Figure la identifies ... atmosphere is where surface friction is not felt, and ... layer is above the boundary layer. Next is the entrainment ...

Article: A Theory of Gravity Wave Absorption by a Boundary ...
Journal of the Atmospheric Sciences;  February 1, 2006 ;     700+ words ... ... of the atmospheric boundary layer (BL) is proposed ... waves by a turbulent boundary layer was identified and ... was found. With surface friction however, the lee ... essential elements of the boundary layer that sets it apart ...

 
 
Newsweek Harper's Magazine The Washington Post Chicago Tribune Crain's Chicago Business PRNewswire Pediatric News The Nation Advertising Age The Economist (US) A FREE trial gives you access to over 80 million articles! Access over 6,500 publications with a FREE trial!

Find articles, research, and archives