Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/125215
Title: EFFECT OF ROOFTOP GREENERY ON OUTDOOR MEAN RADIANT TEMPERATURE IN THE TROPICAL URBAN ENVIRONMENT
Authors: TAN CHUN LIANG
Keywords: rooftop greenery, mean radiant temperature, landscape planning, plant evapotranspiration rate, shrub albedo, urban greenery
Issue Date: 6-Jul-2015
Citation: TAN CHUN LIANG (2015-07-06). EFFECT OF ROOFTOP GREENERY ON OUTDOOR MEAN RADIANT TEMPERATURE IN THE TROPICAL URBAN ENVIRONMENT. ScholarBank@NUS Repository.
Abstract: Field measurement was conducted to collect plant and meteorological data on a rooftop in Singapore. Three roof garden plots were set up. Concurrent measurements of plant evapotranspiration rate (ET) and shrub albedo (SA) were made from May 2014 to December 2014. Results show that significant reductions in air, surface and mean radiant temperature (Tmrt) can be observed in the presence of rooftop greenery. An empirically derived model was developed to establish the relationship between Tmrt reduction and plant traits such as ET and SA during periods of high solar irradiance (R2 = 0.851). The Tmrt prediction model was validated with 150 data points and was able to estimate Tmrt with reasonable accuracy. A plant selection chart based on the regression model was developed to enable plant selection by referencing ET and SA traits and their resultant Tmrt reduction potential.
URI: http://scholarbank.nus.edu.sg/handle/10635/125215
Appears in Collections:Ph.D Theses (Open)

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