Low-Frequency Variability in the Midlatitude Baroclinic Atmosphere Induced...

Journal of the Atmospheric Sciences;  January 1, 2007 ;     700+ words ......this work to a two-mode baroclinic free atmosphere. The baroclinic jet produced in this...barotropic nonlinear model of the free atmosphere. The extreme simplicity of the model...vorticity (PV) injection into the free atmosphere. In traditional atmospheric models...

free atmosphere

A Dictionary of Weather;      46 words ...free atmosphere A general term for the upper levels of the atmosphere, away from the planetary boundary layer , where the affects of surface heating...

gradient level

A Dictionary of Geography;      29 words ...gradient level The lower limit of the free atmosphere ; also the lower level at which the quasi‐geostrophic balance between the Coriolis and pressure–gradient forces exists.

A Theory of Gravity Wave Absorption by a Boundary Layer

Journal of the Atmospheric Sciences;  February 1, 2006 ;     700+ words ......to the phase of disturbances in the free atmosphere. The associated flow divergence modulates...layer that sets it apart from the free atmosphere: slower wind and frictional dissipation...second, we match the BL to a stratified free atmosphere, bounded above to support trapped...

High-Resolution In Situ Profiling through the Stable Boundary Layer:...

Journal of the Atmospheric Sciences;  April 1, 2006 ;     700+ words ......turbulence defined by the energy dissipation rate (ε), horizontal wind speed...significant decrease in the energy dissipation rate (i.e., the mixing height) with height...barrier between the SBL and the free atmosphere through which all near-surface atmospheric...humidity) must ...

Convective Entrainment into a Shear-Free, Linearly Stratified Atmosphere:...

Journal of the Atmospheric Sciences;  February 1, 2004 ;     700+ words ......values of the buoyancy gradient in the free atmosphere covering a typical atmospheric stability...Within the range of investigated free-atmosphere stratifications, the LES predictions...ratio of the buoyancy gradient in the free atmosphere to the overall buoyancy gradient across...

Ekman layer

A Dictionary of Geography;      44 words ...Ekman layer In the atmosphere , the transition stratum between the surface boundary layer , where the shearing stress is constant, and the free atmosphere. In meteorology , the Ekman spiral is a mathematical model of the wind distribution with height in the planetary boundary layer .

superadiabatic lapse rate

A Dictionary of Geography;      33 words ...superadiabatic lapse rate A lapse rate over 9.8 °C/1000 m (dry adiabatic lapse rate ), rare in the free atmosphere , but common just above land surfaces emitting strong terrestrial radiation .

Spectral estimates of dissipation rate within and near the surf zone

Journal of Physical Oceanography;  May 1, 2003 ;     700+ words ......used to examine changes in turbulent dissipation rate with location relative to the breakpoint...turbulence from wave orbital currents, dissipation rate is derived using the inertial subrange...arbitrary water depth. The resulting dissipation rate is compared with that obtained by...

Forcing of the wintertime Antarctic boundary layer winds from the...

Journal of Applied Meteorology;  April 1, 2001 ;     700+ words ......synoptic pressure gradient force in the free atmosphere. The relative importance of pressure...sloping terrain and the PGF in the free atmosphere above the radiatively cooled surface...winds and pressure gradients in the free atmosphere (Murphy and Simmonds 1993). Ball...

Dorsett on the Cowboys: `It Was Not a Free Atmosphere'

The Washington Post;  September 1, 1989 ;     700+ words ......those fans, just hanging around. Guys complained, but it was just another example of the Cowboy way of life. It was not a free atmosphere. Dan Reeves, my present coach {in Denver}, is the kind of coach you respect and want to work hard for. He's dedicated to...

Surface Layer Turbulence Measurements during a Frontal Passage

Journal of the Atmospheric Sciences;  July 15, 2004 ;     700+ words ......dissipative range of turbulence. Dissipation rate [epsilon] is calculated with...a historical expression for dissipation rate as a function of ASL stability. The magnitude of the dissipation rate increases by an order of magnitude...

Remote measurement of turbulent wind spectra by heterodyne Doppler lidar...

Journal of Applied Meteorology;  December 1, 2000 ;     700+ words ......which can be characterized by the dissipation rate and the K-spectral peak (or outer...1989) report an experiment where the dissipation rate of the turbulent kinetic energy (TKE...paper, the concept of estimating the dissipation rate of TKE from wind spectra is introduced...

Low-Frequency Variability in the Midlatitude Atmosphere Induced by an...

Journal of the Atmospheric Sciences;  May 1, 2004 ;     700+ words ......boundary layer coupled to a quasigeostrophic, equivalent-barotropic free atmosphere. The vertical velocity at the top of the boundary layer drives the flow in the free atmosphere and produces an eastward jet, parallel to the oceanic front's isotherms...

Stress-free break; Out and About.(Features)

South Wales Echo (Cardiff, Wales);  December 18, 2001 ;     93 words ......supposed to be a holiday but the build up is normally fraught with stress. Ensure that your next break provides that stress free atmosphere you dream of and book a Spanish spring getaway with Sites Abroad to the fabulous Costa Brave. You can get three weeks for...