GEOG 308b Micrometeorology

 

Neutral Wind Profile

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windprof_mu90.jpg (89491 bytes)
Monteith and Unsworth (1990)
wind_retal83.JPG (33407 bytes)
Rosenberg et al. (1983)
windd_retal.jpg (39615 bytes)
Rosenberg et al. (1983)
z0_extrap_mu90.jpg (78872 bytes)
Monteith and Unsworth (1990)
       
windprof_stab_mu90.jpg (119671 bytes)
Monteith and Unsworth (1990)
z0T0_extrap_mu90.gif (56586 bytes)
Monteith and Unsworth (1990)
powerlaw.JPG (86158 bytes)
Hutcheon and Handegord (1983)
 
       
 

Air Pollution: Gaussian Plume Model 

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airpollut_dilution.jpg (63205 bytes) airpollut_diffusion.jpg (44331 bytes) airpollut_turbdiffusion.jpg (53874 bytes) airpollut_gaussplume_planview.jpg (53938 bytes)
Plume dilution. Boubel et al. (1994). Pollutant diffusion. Williamson (1973). Pollutant diffusion by turbulent eddies. Williamson (1973). Plan view of instantaneous plume, instantaneous concentration and time averaged concentration. Williamson (1973).
airpollut_3dgaussplumea.jpg (67114 bytes) airpollut_3dgaussplumeb.jpg (102916 bytes) airpollut_virtsourceht.jpg (34510 bytes) airpollut_plumerise.jpg (88633 bytes)
3-D Gaussian plume. Dobbins (1979). 3-D Gaussian plume. Stern (1976). Virtual plume source: stack height + plume rise. Wark and Warner (1981). Plume rise models. Lyons and Scott (1990).
airpollut_plumereflect.jpg (33728 bytes) airpollut_plumereflect2.jpg (47614 bytes) airpollut_plumereflec_zconcen.jpg (31541 bytes) airpollut_xzconcenprof.jpg (41536 bytes)
Plume reflection. Williamson (1973). Plume reflection. Wark and Warner (1981) Vertical pollutant concentration profiles before and after plume reflection.  Wark and Warner (1981). Pollutant concentration profiles downwind of stack. Wark and Warner (1981).
airpollut_gndconcen_stab_x.jpg (21988 bytes) airpollut_plumesigma_z.jpg (54326 bytes)    
Downwind, ground-centreline concentration profiles under different stability conditions. Williamson (1973). Plume sigmas. sz with downwind distance x for different Pasquill stability categories. From Turner (1969), in Wark and Warner (1981)