Current Situation Analysis And Countermeasure Research On Roof Greening In Shanghai

As the social progressing and urbanization,urban construction gradually expanding.High density of city construction such as more high buildings and road area leads to continuing increase of land utilization.As a result,more and more utilized land means fewer and fewer green area in urban.In such circumstance,roof greening offers new green area for citizens.Roof greening has a lot of advantages.It is useful to beautify the living space,to eliminate working stress,to keep water,to absorb the noise,to regulate climate,and to save land space.It is an eco-friendly,leisure culture based,new style green space.Besides,roof greening not only combine architecture and landscape environment,but also improving urban eco-system.Nowadays,as the land resources become more and more scarce,scholars and related workers pay more and more attention to roof greening.Roof greening is the necessary trend for urban development.The establishment of a scientific plant selection system and policy motivation mechanism is the premise to full scale applying roof greening.Through deep investigation and study,this article expresses the current situation and countermeasures on roof greening in shanghai:(1)Introducing the concepts of roof greening,also its development processes in both domestic and western.Describing the positive effects of roof greening for the development,environment and living of urban area.Besides,this article contrasts the processing situation,policies for roof greening in both domestic and overseas.(2)Through analyzing the foundation,applying targets,maturity and cost of construction,to find out the necessity and feasibility to develop roof greening.(3)Through discussing the types,functions of roof greening,this article analyzes the problems,restraints,also summarizes the lessons,and experiences of the development of roof greening.(4)By using the questionnaire survey to know the current situation,this article finds out both the opportunities and problems of roof greening in Shanghai.Through SWOT analysis,this article works out several approaches and policy suggestions to referred.