| With the development of urbanization and industrialization,the relationship between human beings and natural environment is becoming increasingly unbalanced,and major public health events occur frequently.The Proposal of the Central Committee of the Communist Party of China on Formulating the 14 th Five-year Plan for National Economic and Social Development and the Long-Range Objectives for the 35 th Year puts forward the "implementation of urban renewal action" and the "promotion of new urbanization with people as the core",which points out a new development path for China’s urban work during the 14 th Five-Year Plan period.As an important factor to optimize the living environment,beautify the urban landscape and improve the health of residents,urban green space system is a key sub-item of urban renewal system.Therefore,exploring the planning and renewal of park green space is related to the trend of development and quality of the city in the future,and promoting the harmonious relationship between man and nature.Firstly,this paper makes a qualitative and quantitative evaluation on the equity,accessibility,coverage and quality of the park green space in Shinan District of Qingdao.The survey shows that there are 588 residential quarters in Shinan District,28 park green space,87% park green space under the restriction of 15-minute walk,and the overall coverage is high,but the coverage is poor near Qingdao University in the east of Shinan District and Jiaozhou Bay Tunnel in the west of Qingdao,and there are many residential quarters in Shinan District,the carrying capacity of community park green space is large,the ecological service capacity is low,and the living patches are unbalanced with ecological patches.Secondly,based on the above multi-source data,Arc GIS is used to build an optimized facility layout model,which includes an accessibility optimized layout model based on travel range and an infrastructure maximization coverage model,and Baidu thermal chart is used to analyze the spatial distribution of crowd vitality from working day to weekend,so as to renew the park green space everywhere in the unbalanced park green space allocation area of the South District.At the same time,according to the questionnaire survey,this paper evaluates the quality of Shinan district park green space,analyzes the advantages and disadvantages of the park green space by SPSS software,and puts forward the optimization proposal and guidance plan of the park green space renewal in Shinan district.Finally,based on the city multi-source data,the theory and the data information are fused deeply to promote the urban ecological space renewal and the high quality development of landscape greening. |
