Evaluation of green roof design Indicators Based on the visual-perceptual component (Case Study: Shiraz City)

The green roof is one of the new approaches of architecture and urban planning and is based on the concepts of sustainable development, which can be used to increase the number of green spaces per capita, improve the quality of the environment and sustainable urban development. The current research is analytical-descriptive and has a practical purpose. The method of data collection is both documentary and libraries, and survey method has been used. The main aim of this method is to create a set of perceptual data in the landscape organization of Shiraz city in order to examine the quality of perception and understanding of different people with the property evaluation level in relation to urban green spaces as one of the main indicators of urban landscape sustainability. After determining the average score of the case samples, taking into account the SAW weighting method and the TOPSIS ranking method, as well as the weighted feedback of each index in the Delphi method, qualitative ranking is done. Findings show the scale of the green roof and the function of the building can be considered effective in influencing the conceptual model in the urban landscape, but it cannot be concluded that the larger the scale and area of the green roof, the more effective it is in improving the quality of the urban landscape. The results show visual-perceptional component quality is related to aesthetic preference, and in future researches, the relationship between the indexes can be evaluated.