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Filtering by: Subject Planetary boundary layer Remove constraint Subject: Planetary boundary layer

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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
Penetrative elements at the top of the atmospheric mixed layer

Creator:

Paumier, James

Abstract:

High resolution data of moisture, temperature and wind velocity collected by aircraft during the 1975 Air Mass Transformation Experiment (ANTEX '75) provide information for detailed investigations of the phenomena occurring at the top of a cloud-topped mixed layer. Joint frequency diagrams of humidity and temperature reveal that for parts of...

Resource Type:

Masters Thesis
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
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
Turbulence structure within an inclined laboratory convection tank

Creator:

Nance, Jon D.

Abstract:

A baroclinic, convective mixed-layer was modeled, using water, in a laboratory convection tank identical to that used in the free convection study of Deardorff and Willis (1985). Baroclinicity and mean-flow shearing were achieved by tilting the tank by an angle of 1O⁰. The resulting mechanical-production rate of turbulence kinetic energy...

Resource Type:

Masters Thesis

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Academic Affiliation

Atmospheric Sciences5

Advisor

Deardorff, James W.2
Mahrt, Larry J.2
Pan, Hua Lu1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1978 to 1989

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Creator

Chu, Cheng Tsong1
Nance, Jon D.1
Park, Soon Ung1
Paumier, James1
Ruscher, Paul Harold1

Date

Date range begin – Date range end

Current results range from 1978 to 1989

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Decade

1980-19894
1970-19791

Degree Field

Atmospheric Sciences5

Degree Level

Master's4
Doctoral1

Degree Name

Master of Science (M.S.)4
Doctor of Philosophy (Ph.D.)1

Language

English [eng]5

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No5

Resource Type

Masters Thesis4
Dissertation1

Rights Statement

Copyright Not Evaluated5

Subject

Planetary boundary layer[remove]5
Atmospheric turbulence1
Convection (Meteorology)1

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