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RISDevelopment of a Nested Grid, Second Moment Turbulence Closure Model and Application to the 1982 ASCOT Brush Creek Data Simulation
Publisher: American Meteorological Society
Abstract: An improved, second-moment turbulence-closure model and a random particle kernel diffusion model are described and tested with the 1982 ASCOT (Atmospheric Studies in Complex Terrain) data collected in Brush Creek, Colorado. ...
A Numerical Model Study of Nocturnal Drainage Flows with Strong Wind and Temperature Gradients
Publisher: American Meteorological Society
Abstract: A second-moment turbulence-closure model described in Yamada and Bunker is used to simulate nocturnal drainage flows observed during the 1984 ASCOT field expedition in Brush Creek, Colorado. In order to simulate the observed ...
Numerical Simulations of Atmospheric Transport and Diffusion over Coastal Complex Terrain
Publisher: American Meteorological Society
Abstract: The purpose of this study was to demonstrate the feasibility of operating the three-dimensional atmospheric models HOTMAC (higher-order turbulence model for atmospheric circulation) and RAPTAD (random puff transport and ...
Atmospheric Transport Models for Complex Terrain
Publisher: American Meteorological Society
Abstract: Two codes, ATMOS1 and ATMOS2, have been developed to model respectively, wind fields and pollutant transport in three dimensions with particular application to complex terrain. ATMOS1 models wind fields with the use of a ...