WIT Press


The Multi-puff Approach And The Optimum Interpolation Technique To Improve A Classical Gaussian Model

Price

Free (open access)

Paper DOI

10.2495/AIR000101

Volume

42

Pages

10

Published

2000

Size

1,013 kb

Author(s)

K.U Leong, A.I. Miranda & C. Borrego

Abstract

The multi-puff approach and the optimum interpolation technique to improve a classical Gaussian model K. U Leong\ A. I. Miranda^ & C. Borrego^ ^Faculty of Science and Technology, University of Macau, Macau ^Department of Environment and Planning, University of Aveiro,Portugal Abstract The Gaussian plume model is the most common air pollution model. However, aiming to model the dispersion of air pollutants under non-homogeneous wind conditions, the puff-approach was applied in this work, by which a serious of discrete puffs is simulated as a continuous meandering plume. The developed model was applied to an urban area (the city of Lisbon) and evaluated by comparison with air quality data. It showed the capability to simulate the transport and dispersion of non-reactive pollutants from various sources under complex wind field and different atmospheric conditions. In addition, the modelling results were integrated with the observation data from the air quality-monitoring

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