Synoptic Features and Energetics of Wave-Amplitude Vacillation in a Rotating, Differentially-Heated Fluid

R. Pfeffer Geophysical Fluid Dynamics Institute and Dept. of Meteorology, Florida State University, Tallahassee 32306

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G. Buzyna Geophysical Fluid Dynamics Institute and Dept. of Meteorology, Florida State University, Tallahassee 32306

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W. W. Fowlis Geophysical Fluid Dynamics Institute and Dept. of Meteorology, Florida State University, Tallahassee 32306

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Abstract

Wave-amplitude vacillation in a thermally driven, rotating cylindrical annulus of fluid is studied using temperature and speed data from a 98-probe network of tiny bead thermistors suspended in the fluid. Mid-depth synoptic charts and estimates of heat and momentum fluxes, spectral characteristics and energetics are presented as a function of time. Relationships to time-dependent atmospheric phenomena are discussed. A section is included which deals with the effects of probes.

Abstract

Wave-amplitude vacillation in a thermally driven, rotating cylindrical annulus of fluid is studied using temperature and speed data from a 98-probe network of tiny bead thermistors suspended in the fluid. Mid-depth synoptic charts and estimates of heat and momentum fluxes, spectral characteristics and energetics are presented as a function of time. Relationships to time-dependent atmospheric phenomena are discussed. A section is included which deals with the effects of probes.

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