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Optimal Choice of Parameters for the Measurement of Small-Scale Atmospheric Turbulence with an Airborne Hot-Wire Anemometer
Publisher: American Meteorological Society
Abstract: The paper presents typical spectra of probe motions, turbulence, and electronic noise of an airborne hot-wire anemometer. Their relative amplitudes as a function of aircraft size and velocity, hot-wire length, and turbulence ...
A Puff-on-Cell Model for Computing Pollutant Transport and Diffusion
Publisher: American Meteorological Society
Abstract: A scheme is developed to minimize the pseudo-diffusion which arises in numerical solutions of finite-difference equations of turbulent diffusion and transport. In the present model, the subgrid scale distribution of the ...
On Lateral Dispersion Coefficients as Functions of Averaging Time
Publisher: American Meteorological Society
Abstract: Plume dispersion coefficients are discussed in terms of single-particle and relative diffusion, and are investigated as functions of averaging time. To demonstrate the effects of averaging time on the relative importance ...
A Theoretical Study of the Diurnal Wind Variations in the Planetary Boundary Layer
Publisher: American Meteorological Society
Abstract: An analytical solution of the wind velocity profile is obtained for the horizontally homogeneous planetary boundary layer with constant geostrophic wind velocity and with eddy diffusivity being constant in height and having ...
Measurements of Lagrangian Atmospheric Dispersion Statistics over Open Water
Publisher: American Meteorological Society
Abstract: Atmospheric dispersion statistics in the Lagrangian frame have been evaluated over open water by using a double-theodolite system to track neutrally buoyant balloons released a few kilometers off-shore during onshore winds. ...
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