Transport and Diffusion in Turbulent Fields

Part 1 Basic studies and novel methods in modeling atmospheric flows - uncertainties in air quality model predictions; review of non-local mixing in turbulent atmospheres - transilient turbulence theory; buoyant plume rise in a lagrangian framework; mixing efficiency of a stably stratified fluid; possibility of simulating geophysical flow phenomena by laboratory experiments; investigation of the planetary boundary layer height variations over complex terrain; the importance of mesoscale phenomena on the dispersion of pollutants in the vicinity of a point-source emission; a numerical model for estimation of the diurnal fluctuation of the inversion height due to a sea breeze; synoptic and mesoscale, weather conditions during air pollution episodes in Athens, Greece; the use of a meso-gamma scale model for evaluation of pollution concentration over an industrial region in Israel (Hadera). Part 2 Analysis of concentration fluctuations - recent developments in the lagrangian stochastic theory of turbulent dispersion; a three-dimensional model for calculating the concentration distribution in inhomogeneous turbulence; fluctuations of line integrated concentrations across plume diffusion in grid generated turbulence and in shear flow; the structure and magnitude of concentration fluctuations. Dispersion in sheared gaussian homogeneous turbulence; fractal aspects of integrated concentration fluctuations; modeling nitrogen oxide conversion by using probability density functions. Part 3 Experimental techniques and methods of data acquisition - final results of the condors convective diffusion experiment; one-dimensional wind profile model with stability and Eddy Viscosity estimations from sodar data; intercomparison of turbulence data measured by sodar and sonic anemometers; lidar measurements of plume statistics; laboratory study of the turbulent structure of a channel jet flowing into an open basin; limitation of using multi-type sensors in combination for verifying atmospheric phenomena; observations of the diurnal oscillation of the inversion over the Israeli Coast; spatial structure of a jet flow at a river mouth; actinic fluxes - the role of clouds in photodissociation. Part 4 Round table discussion - round table discussion - interactions and feedback between theory and experiment; author index.