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Movies
and Animations
 HIGRAD
simulation (2.8 Mb avi) of 3-d dispersion in downtown Salt
Lake City. Six tracers are shown as they disperse with a southeasterly
wind. To learn more about this project visit the Chem-Bio
Transport and Fate web page.
SLC
fly-through (0.7 Mb mpg) shows a bird's eye view of our 3-d
Salt Lake City building data set. These building data sets are
required by the building-scale and regional scale modeling teams.
To learn more about this project visit the Chem-Bio
Transport and Fate web page.
Storm
water flow (0.8 Mb QT) in one of the Santa Monica Bay sub-watersheds.
The urban runoff and pipe flow was simulated using the SWMM model
and rain gauge measurements. To learn more about this project
visit the Urban Security Air-Water
Pathways web page.
Storm
water quality (0.7 Mb QT) resulting from atmospheric deposition
in one of the Santa Monica Bay sub-watersheds. Deposition was
estimated using the CIT photochemical model and the water quality
was modeled using SWMM. To learn more about this project visit
the Urban Security Air-Water Pathways
web page.
Dispersion from a low
release (0.3 Mb mpeg) and an
elevated release (0.4 Mb mpeg) on the back side of a building.
These wind-tunnel experiments show the dramatic variability in
the dispersal pattern of the plume. To learn more about this
work visit the Chem-Bio Transport
and Fate and USEPA
Fluid Modeling Facility web pages.
Dispersion within a cluster
of buildings (0.2 Mb mpeg). In this wind tunnel experiment
the wind is coming out of the picture. Notice that the plume
circulates between the two smaller buildings in a direction opposite
the prevailing wind. To learn more about this work visit the
Chem-Bio Transport and Fate
and USEPA Fluid
Modeling Facility web pages.
A HOTMAC/RAPTAD simulated
plume release (0.2 Mb gif) in the El Paso/Ciudad Juarez Region.
The movie shows neutrally-buoyant particles being transported
by the mean and turbulent wind fields for 3 days of a 30 day
simulation (Sept. 10-12, 1994). To learn more about this project
visit the El Paso/Ciudad Juarez
web page. To learn more about the meteorological and dispersion
models visit the Model Descriptions
web page.
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