Fuzzy Logic Modelling Of Air Pollution During Chinook Winds
Author(s)
R. Mintz, B.R. Young & W.Y. Svrcek
Abstract
Fuzzy logic modeling of air pollution during
Chinook winds
R. Mintz, B.R. Young& W. Y. Svrcek
Department of Chemical and Petroleum Engineering,
University o f Calgary, Canada.
Abstract
The occurrence of Foehn winds in the city of Calgary is due to the nearby
proximity of the Canadian Rocky Mountains. The Foehn winds bring warm
weather during the winter months and are described locally as "Chinooks", a
Blackfoot Indian term meaning snow eaters. Despite the increased wind speed
during a Chinook, air pollution levels increase.
A novel approach to modeling air pollution during a Chinook was developed
using fuzzy logic. The Fuzzy c-Means method for system classification was used
to identify the Foehn wind. As well, Modified Learning from Examples was used
to predict surface ozone concentration. The identification of the occurrence of the
Chinook wind was based on changes in humidity, and temperature increase. Key
factors in air pollution for Calgary are ventiIation components such as wind
speed. T
Keywords
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