한국녹색인증원 - 녹색건축인증

도시녹지에 의한 미기후개선의 기능 Function of Microclimate Amelioration by Urban Greenspace ​ 저자   조현길, 안태원 학술지정보 한국조경학회지 KCI 발행정보 한국조경학회 1999년 자료제공처 국회도서관 KISTI 국립중앙도서관 주제분야 농수해양 >  조경학 <초록> This study measured transpiration rate of urban trees and albedos of urban surfaces, and examined the function of microclimate amelioration by urban greenspace. Transpiration rates of trees were highest in July and August of growing months. Transpiration per unit leaf area for the two months was 300-350 g/㎡/h for Platanus occidentalis, 210-270 g/㎡/h for Ginkgo biloba and Zelkova serrata, and 130-140 g/㎡/h for Acer palmatum. Surface albedos were 0.09 for asphalt paving and 0.68 for white wall, which reveals that light-colored surfaces are better than dark-colored ones to lower the heat build-up. Due to lack of evapotranspiration, concrete surfaces were, at t midafternoon maximum, 8°C hotter than grass ones, though the albedo of concrete paving was higher thant that of grass and tree