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Lab for Environmental Physics - UGA Research Interests Our research interests are in experimental and modeling aspects of exchange of gases between the atmosphere and vegetation. Growing concerns about global warming demands, accurate measurement and quantification of carbon, water, heat and momentum fluxes between the atmosphere and vegetation. Flow and turbulence structure within and above the vegetation is studied with a host of instrumentation such as eddy-covariance measurements and acoustic remote sensing. Diffusion experiments are carried out with the help of fast and slow response SF6 sensors, gas chromatographs and a tracer experiment system developed by the group. Our group is currently involved with a turbulence/multiple tracer experiment using perfluorocarbons inside canopies with other scientific partners. Some interests of the group also include the development and evaluation of different models (analytical solutions to the diffusion equation, Lagrangian stochastic simulation and Large-Eddy Simulation) used to assess the upwind source area (Footprint) from a flux tower. |
