Nonlinear vertical scale selection in equatorial inertial instability

Journal of the Atmospheric Sciences;  April 1, 2003 ;     700+ words ......However, it is not clear why the vertical wavelength of the observed structures is much...the equatorial stratopause, with a vertical wavelength of about 10 km, bearing a strong...linear theory predicts a preferred vertical wavelength of about 1 km. Despite the limitations...

Temporal and spatial structure of the equatorial deep jets in the Pacific...

Journal of Physical Oceanography;  December 1, 2002 ;     700+ words ......coherent peak at 400-sdbar vertical wavelength (with N^sub o^ = 1.56...This peak has very long zonal scales. It exhibits a very...about two-thirds of a vertical wavelength. Hence it is no surprise...several hundred meter vertical wavelength that exist through ...

On the vertical scale of gravity waves excited by localized thermal...

Journal of the Atmospheric Sciences;  June 15, 2002 ;     700+ words ......forcing of a given frequency, waves of vertical wavelength of twice the depth of the heating...dispersion relationship. The preferred vertical wavelength depends on a nondimensional parameter...wave response occurs for waves with vertical wavelength of twice the depth of the ...

NOWCAST: CONFERENCE NOTEBOOK

Bulletin of the American Meteorological Society;  February 1, 2008 ;     592 words ......With additional knowledge of the vertical wavelength, we can further compute the wave...permitting theoretical calculation of the vertical wavelength with knowledge of the background...With HIRDLS we can observe the wave vertical wavelength, temperature amplitude, and a trace...

Equatorial deep jets and abyssal mixing in the Indian Ocean

Journal of Physical Oceanography;  April 1, 2002 ;     700+ words ......The deep jets at 80.5 deg E have a vertical wavelength of 660 sm (stretched meters) and...1989) reported equatorial deep jet vertical wavelength centered at 350 sm, with jets significantly...et al. (1994), who determined a vertical wavelength of 330 +/-70 m. Furthermore, they...

The Interaction of Waves and Convection in the Tropics

Journal of the Atmospheric Sciences;  December 15, 2003 ;     700+ words ......tropical waves arises. Equivalent depth is a measure of vertical wavelength (or of exponential scale, depending on the sign and magnitude...equivalent depth of 40 m corresponds approximately to a vertical wavelength of 8 km. The possible importance of such equivalent depths...

Wave ducting in a stratified shear flow over a two-dimensional mountain....

Journal of the Atmospheric Sciences;  February 1, 1999 ;     700+ words ......3) the low-level response repeats periodically at one vertical wavelength. It was found that the nonlinear and critical level effects...tuning occurs when the tropopause is located at one-half vertical wavelength (1/2(lambda)) above the ground. However, the wave shift...

A numerical study of three-dimensional gravity waves triggered by deep...

Journal of the Atmospheric Sciences;  November 15, 2000 ;     700+ words ......structure of the triggered gravity waves to the dominant vertical wavelength of the latent heating within the convection. In the QBO-wi...their work, they associated the peak in frequency and vertical wavelength of the gravity wave spectrum with the updraft oscillation...

Mean three-dimensional circulation in the northeast tropical Pacific

Journal of Physical Oceanography;  September 1, 2002 ;     700+ words ......based on linear dynamics forced with satellite scatterometer winds. Unlike the familiar central tropical Pacific, where the zonal scales are very large and the wind forcing nearly a function of latitude alone, the North Pacific east of about 120 degW is strongly...

Length Scales of Eddy Generation and Nonlinear Evolution of the Seasonally...

Journal of Physical Oceanography;  July 1, 2008 ;     700+ words ......scales. Subsequent nonlinear eddy-eddy interactions redistribute the EKE to larger total horizontal length scales, and larger zonal scales in particular. This is confirmed by diagnosing the spectral transfer of EKE in the surface geostrophic flow, which is found...

A Study of the Global Structure of the Migrating Diurnal Tide Using...

Journal of the Atmospheric Sciences;  August 1, 2005 ;     700+ words ......and midlatitude jets affect the horizontal structure and vertical wavelength of the tidal modes. Complex damping coefficients are used...part of the friction coefficient primarily affects the vertical wavelength of the tide, but also has significant effects on the horizontal...

Observations fo a convectively coupled Kelvin wave in the Eastern Pacific...

Journal of the Atmospheric Sciences;  January 1, 2002 ;     700+ words ......mean convective axis of the ITCZ. This envelope consists of many smaller-scale, westward-moving convective elements, with zonal scales on the order of 100-500 km. As the convectively coupled Kelvin wave disturbance propagates eastward, it exerts a strong control...

Multiscale Convective Wave Disturbances in the Tropics: Insights from a...

Journal of the Atmospheric Sciences;  January 1, 2008 ;     700+ words ......truncated space consisting of three cloud types (shallow convective, deep convective, and stratiform) and three dynamical vertical wavelength bands. Model experiments confirm that diabatic processes in deep convective and stratiform regions are essential to the...

The transition to topographic normal modes

Journal of the Atmospheric Sciences;  September 15, 1999 ;     700+ words ......wavelength, the phase of the topographic correction at the lid relative to the initial wave will vary similarly. For shorter zonal scales the primary cancellation of the initial wave is equatorward of the channel center, thus biasing the total disturbance amplitude...

Swedish Inventor Develops Hybrid Rectangular Heating Applicator

US Fed News Service, Including US State News;  June 18, 2007 ;     247 words ......propagation of microwave energy, wherein said dimensions are such that a main power-transferring Teym sub 1n mode with a long vertical wavelength is enhanced, and a significant amplitude of a complementary Teym sub 2n mode is created, wherein m sub 1, m sub 2 and...