Environmental & Energy Education Washington University in St. Louis
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Institution Name: University of Hong Kong
Course Name: Atmospheric Environment Modelling
Year Offered: Graduate
Instructor: Dr. C.H. Liu (chliu@hku.hk)
Keywords: Air Quality and Pollution Control
Content: Foundations of atmospheric dynamics; models of winds; atmospheric turbulence modelling; boundary layer climate; air pollution in the boundary layer; atmospheric dispersion modelling
Syllabus: 1.Foundations of atmospheric dynamics (3 hours) Physical and mathematical concepts of atmospheric science, Atmospheric dynamics and thermodynamics Vertical structure of the atmosphere, Lapse rate and atmospheric stability, Meteorological equations of motions, Effect of Earth’s rotation 2.Models of winds (5 hours) Geostrophic wind, Thermal wind, Gradient wind, Cyclostrophic wind, Gravity wind, Katabatic wind, Mountain wind, Vorticity equations, Rossby waves, Gravity waves, Inertial waves, Acoustic waves, Cyclones, Ekman layer, Wind profiling, Roughness length evaluation and Monin-Obukhov similarity theory 3.Atmospheric turbulence modelling (5 hours) Introduction to turbulence, Turbulence modelling, Closure models like Prandtl mixing length, Boussinesq eddy viscosity model, k- model, Reynolds stress model, Large eddy simulation (LES) and direct numerical simulation (DNS), Other concepts of turbulence with atmospheric relevance like law of the wall, logarithmic wind profile, Introduction to computational fluid dynamics (CFD) and various commercial packages 4.Boundary layer climate (5 hours) Energy and mass exchanges in boundary layer, Boundary layer climates, Climates of natural environment, Climates of complex terrains, Artificial atmospheric environment, Urban and non-urban modification, Flow past buildings, Oke’s flow regimes, Urban heat island effects 5.Air pollution in the boundary layer (4 hours) Introduction to air pollution, air pollutants, air pollution index, control of air pollution, air pollution in urban street canyons, Pollutant dispersion in the boundary layer, Spatial and temporal variations of pollution in the boundary layer, Modes and characteristics of pollutant dispersion 6.Atmospheric dispersion modelling (4 hours) Simple dispersion models like box model and Gaussian plume, Pasquill-Gifford-Turner parameters, Plume rise including Holland’s and Brigg’s formulae, Monin-Obukhov’s similarity theory in plume rise, Dispersion in various atmospheric stability situations, Dispersion in complex terrains, Introduction to common codes like CALINE, CALPUFF, CALMET, HPDM, OML, AERMOD, ISDM

Lecture Notes
or Other Materials:
1.Arya S.P Introduction to Micrometeorology; Academic, 1988. 2.Chen C.J. & Jaw S.Y. Fundamentals of Turbulence Modeling; Taylor & Francis, 1998. 3.Dutton J.A. Dynamics of Atmospheric Motion; Dover, 1995. 4.Jacobson M.Z. Fundamentals of Atmospheric Modeling; Cambridge, 1999. 5.Nieuwstadt F.T.M. & Van Dop H. Atmospheric Turbulence and Air Pollution Modelling; D. Reidel, 1982. 6.Oke T.R. Boundary Layer Climate; Routledge, 1978. 7.Pope S.B. Turbulent Flows; Cambridge, 2000. 8.Schnelle Junior K.B. & Dey P.R. Atmospheric Dispersion Modeling Compliance Guide; McGraw-Hill, 1999. 9.Štanišić, M.M. The Mathematical Theory of Turbulence; Springer-Verlag, 1988. 10.Stull R.B. An Introduction to Boundary Layer Meteorology; Kluwer, 1991.


 
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