Index Catalog // ScholarsArchive@OSU

Dynamics of a differentially-heated geophysical boundary layer

Creator:: Smith, Bartlett Knapp
Abstract:: An analytical two-layer model consisting of a time-dependent stratified boundary layer topped by stratified free flow is developed in order to study atmospheric boundary layer production of vertical motion. To avoid use of a constant eddy viscosity, the boundary layer equations are layer-integrated over a fixed depth, and surface stress...
Resource Type:: Masters Thesis
Full Text:: Differentially-Heated Geophysical Boundary Layer Abstract approved J. Mah An analytical two-layer model

High frequency temperature and velocity fluctuations in the atmospheric boundary layer

Creator:: Williams, Richard Melton
Resource Type:: Dissertation
Full Text:: ) Title: HIGH FREQUENCY TEMPERATURE AND VELOCITY FLUCTUATIONS IN THE ATMOSPHERIC BOUNDARY LAYER

Observations of velocity and temperature and estimates of momentum and heat fluxes in the internal boundary layer over Arctic leads

Creator:: Andreas, Edgar L.
Resource Type:: Dissertation
Full Text:: TEMPERATURE AND ESTI- MATES OF MOMENTUM AND HEAT FLUXES IN THE INTERNAL BOUNDARY LAYER OVER ARCTIC LEADS

Parameterization of shallow convection in the boundary layer

Creator:: Chu, Cheng-tsong
Abstract:: A shallow convection scheme is derived from several data sets (BOMEX, GATE, AMTEX, BLX83) and developed for the OSU 1-D boundary layer model. Results of the model structure and characteristics of the saturation point (SP) profile are compared against the constant cloud diffusivity scheme of Tiedtke (1983) and the ECMWF...
Resource Type:: Masters Thesis
Full Text:: Shallow Convection in the Boundary Layer Abstract approved: A shallow convection scheme is derived from

A study of the relationship between ageostrophy and dynamical periodicities of the tropical Pacific Boundary Layer

Creator:: McCandlish, Cole B.
Abstract:: Eight years (1980-87) of twice-daily high-resolution radiosonde data from a tropical mid-Pacific island station are analyzed to generate time series of the planetary boundary layer (PBL) top pressure, an ageostrophic parameter (related to the divergence), and a parameter of mean PBL specific humidity. Sample spectra of these time series are...
Resource Type:: Masters Thesis
Full Text:: Relationship Between Ageostrophy and Dynamical Periodicities of the Tropical Pacific Boundary Layer Abstract

Turbulence in the bottom boundary layer

Creator:: Newberger, Priscilla
Resource Type:: Dissertation
Full Text:: cases, light transmissivity are used to examine the turbulence in the bottom boundary layer on the

An examination of structure and parameterization of turbulence in the stably-stratified atmospheric boundary layer

Creator:: Ruscher, Paul Harold
Abstract:: The very stable boundary layer is a region of the atmosphere typified by large vertical gradients of temperature and momentum. Analysis of very stable atmospheric flows is complicated by the presence of nonlinear interactions among gravity waves, shear-driven overturning circulations, two-dimensional vortical modes and intermittent turbulence in various stages of...
Resource Type:: Dissertation
Full Text:: Structure and Parameterization of Turbulence in the Stably- Stratified Atmospheric Boundary Layer Abstract

A numerical study of mesoscale motion in the atmospheric mixed layer

Creator:: Ruscher, Paul Harold
Abstract:: The numerical modeling of motions in the atmosphere's planetary boundary layer (PBL) is a challenging task. In general, the boundary layer interacts with both the overlying atmosphere and the underlying land or water surface in a complex manner. Random turbulence is also present in the PBL which precludes exact prediction...
Resource Type:: Masters Thesis
Full Text:: of motions in the atmosphere's planetary boundary layer (PBL) is a challenging task. In general

Influence of stratification and accelerations on boundary production of vertical motion

Creator:: Park, Soon-Ung
Abstract:: The influence of boundary layer pumping on an externally-forced synoptic-scale flow is examined. The results follow earlier theories of stratified incompressible Boussinesq flow. These theories state that the spin-down time scale and the penetration depth of the influence of boundary layer pumping are inversely proportional to the stratification and directly...
Resource Type:: Dissertation
Full Text:: Stratification and Accelerations on Boundary Layer Production of Vertical Motion Abstract approved The

Photographic analysis of buoyant stack plumes in a laboratory model of the turbulent mixed layer

Creator:: Hukari, Neil F.
Abstract:: Four buoyant plumes were produced within a laboratory convectively mixed layer from a source height of about z[subscript s] = 0.15 h, where h is the height of the convectively mixed layer. The projected images of these plumes in the X-Z plane were analyzed using a densitometer (photomultiplier tube) to...
Resource Type:: Masters Thesis
Full Text:: Buoyant Stack Plumes in a Laboratory Model of the Turbulent Mixed Layer Abstract approved: Four buoyant

ScholarsArchive@OSU

Dynamics of a differentially-heated geophysical boundary layer

High frequency temperature and velocity fluctuations in the atmospheric boundary layer

Observations of velocity and temperature and estimates of momentum and heat fluxes in the internal boundary layer over Arctic leads

Parameterization of shallow convection in the boundary layer

A study of the relationship between ageostrophy and dynamical periodicities of the tropical Pacific Boundary Layer

Turbulence in the bottom boundary layer

An examination of structure and parameterization of turbulence in the stably-stratified atmospheric boundary layer

A numerical study of mesoscale motion in the atmospheric mixed layer

Influence of stratification and accelerations on boundary production of vertical motion

Photographic analysis of buoyant stack plumes in a laboratory model of the turbulent mixed layer

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