Araştırma Makalesi (Research Article)

Assessment of green roof systems in terms of water and energy balance


Istanbul University, Faculty of Forestry, Department of Landcape Architecture, 34473, Sariyer, Istanbul, Turkey


Işık University, Faculty of Fine Arts, Department of Landcape Architecture, 34398, Maslak, Istanbul, Turkey

FORESTIST 2016; 66: 119-138
DOI: 10.17099/jffiu.67110
Read: 1329 Downloads: 633 Published: 21 December 2019

Green roofs concept term is used for extensive green roofs which are planted with herbaceous plants that can be adapted into changeable environmental conditions on a shallow substrate layer, require minimal maintenance, installed for their benefits to building and urban scale. Main objective of this study is to determine the characteristics of a green roof such as thermal insulation, water holding capacity, runoff characteristics, plant growth and its interaction with environmental factors in Istanbul climate conditions by performing comparative measurements. In this study, a research site (IU Green Roof Research Station) was founded to assess water and energy balance of green roofs. Thus, a typical green roof was evaluated in terms of water and energy balance and its interaction with the building and city was determined. energy efficiency of green roof system was 77% higher than reference roof. Temperature fluctuations on green roof section of the roof were 79% lower. In addition, green roof retained 12,8% - 100% of precipitation and delayed runoff up to 23 hours depending on water content of substrate. 

To cite this article (Atıf): Ekşi, M., Uzun, A., 2016. Yeşil Çatı Sistemlerinin Su ve Enerji Dengesi Açısından Değerlendirilmesi. Journal of the Faculty of Forestry Istanbul University 66(1): 119-138. DOI: 10.17099/jffiu.67110

EISSN 2602-4039