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Conditional Sampling of Coherent Structures in Atmospheric Turbulence Using the Wavelet Transform
Publisher: American Meteorological Society
Abstract: The development and evaluation of a technique to detect and retrieve coherent structures embedded in a record of atmospheric surface-layer temperature fluctuations is described. This new detection scheme, based on a local ...
Comparison of In-Canopy Flux Footprints between Large-Eddy Simulation and the Lagrangian Simulation
Publisher: American Meteorological Society
Abstract: Flux footprints for neutral shear-driven canopy flows are evaluated using large-eddy simulation (LES) and a Lagrangian stochastic (LS) model. The Lagrangian stochastic model is driven by flow statistics derived from the ...
Implementations of Space-Time Correlations of Atmospheric Turbulence Using a Low-Cost, High-Performance Parallel Approach
Publisher: American Meteorological Society
Abstract: Modern meteorological experiments are capable of generating such large quantities of data that the processing of the results can be prohibitively expensive on a mainframe or far too time-consuming on most reasonably priced ...
Multifractal Analysis of Line-Source Plume Concentration Fluctuations in Surface-Layer Flows
Publisher: American Meteorological Society
Abstract: A codimension multifractal methodology was used to analyze and to model scalar concentration fluctuations within sulfur hexafluoride tracer gas plumes from a line source in atmospheric surface-layer flows. Correspondence ...
The Influence of Atmospheric Stability on the Budgets of the Reynolds Stress and Turbulent Kinetic Energy within and above a Deciduous Forest
Publisher: American Meteorological Society
Abstract: This paper shows that the inclusion of thermal effects is necessary to correctly interpret the physical processes involved in the generation or suppression of Reynolds stress and turbulent kinetic energy inside a form ...