The landscape environment of urban blocks plays a significant role in improving the comfort of urban thermal environment and promoting green and high-quality development.The 342 papers related to the research on the i...The landscape environment of urban blocks plays a significant role in improving the comfort of urban thermal environment and promoting green and high-quality development.The 342 papers related to the research on the impact of urban block landscape environment on thermal comfort in China,collected by CNKI(China National Knowledge Infrastructure)from 2002 to 2022,are used as the research object.Through bibliometric statistical analysis,LLR algorithm,and cluster analysis,the current research status of the impact of urban block landscape environment on thermal comfort in China is analyzed and processed,and its external characteristics are identified.Using the information visualization software CiteSpace,the research topics in the field of the impact of urban block landscape environment on thermal comfort are presented in the form of knowledge graphs.Through co-occurrence analysis of keywords and trend of word frequency changes,the development trends of research hotspots and cutting-edge fields of the impact of urban block landscape environment on thermal comfort are determined,hoping to provide reference for future research in this field.展开更多
This article proposes a 35D form index system to quantitatively describe the 3D form of urban blocks.Utilizing the T-distributed stochastic neighbor(TSNE)embedding algorithm for cluster analysis,the visually complex a...This article proposes a 35D form index system to quantitatively describe the 3D form of urban blocks.Utilizing the T-distributed stochastic neighbor(TSNE)embedding algorithm for cluster analysis,the visually complex and disordered urban 3D texture is translated into distinct form clusters,enabling the recognition of the overall urban form structure from the block perspective.The research methodology includes experiments conducted in the central area of Nanjing and comparative analysis in three neighboring cities:Shanghai,Hangzhou,and Suzhou.Results demonstrate the efficacy of form parameters and cluster analysis in achieving sound recognition.The four cities differ remarkably in the number and distribution structure of clusters.Shanghai has the fewest types of clusters with a compact distribution,Suzhou has the most types with a dispersed distribution,and Hangzhou and Nanjing exhibit similar characteristics,located between Shanghai and Suzhou.Correlation analysis reveals a negative relationship between the number of cluster types and the level of urban socioeconomic development in similar areas.This research implies that governments and urban planners can exploit neighborhood morphological types to devise customized spatial management and renewal strategies.The overall urban structure can be improved by strategically minimizing the quantity and distribution of neighborhood morphological types,fostering socioeconomic development.展开更多
基金the National Natural Science Foundation of China(51708004)Beijing Youth Teaching Master Team Construction Project(108051360023XN261)Yuyou Talent Training Program of North China University of Technology(215051360020XN160/009).
文摘The landscape environment of urban blocks plays a significant role in improving the comfort of urban thermal environment and promoting green and high-quality development.The 342 papers related to the research on the impact of urban block landscape environment on thermal comfort in China,collected by CNKI(China National Knowledge Infrastructure)from 2002 to 2022,are used as the research object.Through bibliometric statistical analysis,LLR algorithm,and cluster analysis,the current research status of the impact of urban block landscape environment on thermal comfort in China is analyzed and processed,and its external characteristics are identified.Using the information visualization software CiteSpace,the research topics in the field of the impact of urban block landscape environment on thermal comfort are presented in the form of knowledge graphs.Through co-occurrence analysis of keywords and trend of word frequency changes,the development trends of research hotspots and cutting-edge fields of the impact of urban block landscape environment on thermal comfort are determined,hoping to provide reference for future research in this field.
基金We would also like to express our gratitude to the fellowship of China postdoctoral science foundation(Grant No.2021M700769)“Double Innovation”Doctor of Jiangsu Province(JSSCBS20220545)for funding this research project.
文摘This article proposes a 35D form index system to quantitatively describe the 3D form of urban blocks.Utilizing the T-distributed stochastic neighbor(TSNE)embedding algorithm for cluster analysis,the visually complex and disordered urban 3D texture is translated into distinct form clusters,enabling the recognition of the overall urban form structure from the block perspective.The research methodology includes experiments conducted in the central area of Nanjing and comparative analysis in three neighboring cities:Shanghai,Hangzhou,and Suzhou.Results demonstrate the efficacy of form parameters and cluster analysis in achieving sound recognition.The four cities differ remarkably in the number and distribution structure of clusters.Shanghai has the fewest types of clusters with a compact distribution,Suzhou has the most types with a dispersed distribution,and Hangzhou and Nanjing exhibit similar characteristics,located between Shanghai and Suzhou.Correlation analysis reveals a negative relationship between the number of cluster types and the level of urban socioeconomic development in similar areas.This research implies that governments and urban planners can exploit neighborhood morphological types to devise customized spatial management and renewal strategies.The overall urban structure can be improved by strategically minimizing the quantity and distribution of neighborhood morphological types,fostering socioeconomic development.