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- Title
How Do Outdoor Pollutant Concentrations Vary Along the Height of a Tall Building?
- Authors
Stephens, Brent; Azimi, Parham; Luke Leung
- Abstract
It is generally assumed that vertical pollutant dispersion can reduce exposures to ambient pollutants in tall buildings, as concentrations of some ground-source pollutants are diluted at higher floors. However, no measurements of pollutant concentrations have ever been made specifically along the height of a building that would qualify as a supertall building by CTBUH Height Criteria. This paper summarizes the 2016 CTBUH Research Seed Funding study, conducted during a one-week period in the summer of 2017, which measured the vertical variation in the concentrations of several outdoor pollutants and environmental parameters along the height of an approximately 60-story, 300-meter building in downtown Chicago. Floor height was found to be more strongly correlated with PM1, PM2.5, PM10, CO2, and O3 concentrations than with local wind speed and direction.
- Subjects
TALL building design &; construction; POLLUTANTS; PARAMETER estimation; PARTICULATE matter; BUILDINGS &; the environment
- Publication
CTBUH Journal, 2019, Issue 1, p26
- ISSN
1946-1186
- Publication type
Article