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Analysis on Thermal Environment of Marathon Course in 2011 Daegu World Championship in Athletics
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 Title & Authors
Analysis on Thermal Environment of Marathon Course in 2011 Daegu World Championship in Athletics
Baek, Sang-Hun; Oh, Sang-Hak; Jung, Yong-Hun; Jung, Eung-Ho;
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In this study, thermal environment changes for a marathon course of IAAF World Championship, Daegu 2011 were modeled to provide improvements of thermal environment, so that runners could have the maximum condition and citizens pleasant streets. The three biggest size of intersections were selected for the study. Envi-met, 3G microclimate model, were used for a thermal environment analysis and three different cases - present status, planting roadside tree scenario, and roof-garden scenario - were compared. The followings are the results of the study. 1. The highest thermal distribution were shown at 1 p.m., but there was no significant difference between a thermal distribution at 1 p.m. and that at 5 p.m. since a heat flux from buildings affects thermal distributions rather than insolation does. 2. Tree planting or adding environmental friendly factors might lead a temperature drop effect, but the effect was not significant for areas covered with impermeability packing materials such as concrete or asphalt (especally, for Site case 2) 3. The combination of tree planting and adding environmental friendly factors also brought a temperature drop effect (Site 1 and 2) and this case showed even better result if green spaces (especially, parks) were closed.
Emission factor;Reduction factor;Land cover;Sensory temperature;
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