A Case Study on the Relationship between Urban Morphology and Traffic Noise Distribution in High-density Urban Context




2015 ◽  
Vol 101 (3) ◽  
pp. 510-519 ◽  
Author(s):  
Yiying Hao ◽  
Jian Kang ◽  
Dirkjan Krijnders ◽  
Heinrich Wörtche


Land ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 170
Author(s):  
Fan Liang ◽  
Jianhong Liu ◽  
Mingxing Liu ◽  
Jingchao Zeng ◽  
Liu Yang ◽  
...  

How to create a sustainable urban morphology for the development of cities has been an enduring question in urban research. Therefore, quantitatively measuring the current relationship between urban morphology and urban function distribution is the key step before urban planning practice. However, existing studies only examine the relationship at limited scales or with a single unit. To comprehensively understand the relationship between urban morphology and commercial distribution, this study utilized space syntax and point of interest (POI) data (shopping and food service) and took the city of Xi’an, China as a case study. The evaluation of relationships was performed with two measurement units (500 m × 500 m grids and street blocks) at 16 different scales (from R = 800 m to R = n) by engaging three statistical metrics (mean, maximum, and total). Great variations in the relationships between urban morphology and commercial distribution across scales were observed in the study area at both grid level and block level. However, the change trends of the correlation across scales differ substantially when measured by grids and blocks. Generally, the correlations measured by blocks were stronger than those measured by grids, indicating it is desirable to perform such research at the block level. The correlations were stronger at the small scales (R = 800 m to R = 3600 m) when measured with grids, and the stronger correlations were detected at large scales (R = 5 km to R = 35 km) when measured with blocks. The strongest correlations were found at the scale R = 3600 m with grid unit, and the strongest correlations were detected at the scale R = 10 km with blocks. Among the three space syntax variables, urban morphology measured by integration presents stronger correlation with commercial distribution than choice and complex variable for both shopping and food services. This reveals that the centrality of urban space has a greater impact on the locations of commercial establishments than accessibility and comprehensive potential. As for the three statistical metrics, the total is less useful in measuring the impacts of urban morphology on commercial distribution across scales. However, regardless of measurement by grids or by blocks, urban morphology has a stronger impact on the locations of shopping businesses than on food shops. Based on our findings, it is preferable to predict the potential commerce locations by measuring the centrality of the study area at a scale of 10–20 km. Our method can be easily transferred to other urban regions, and the derived results can serve as a valuable reference for government administrators or urban planners in allocating new commerce establishments.



Author(s):  
Fei Xue ◽  
Zhonghua Gou

People in cities are experiencing various kinds of work-life conflict, burnout, and turnover towards mental and physical illness. These challenges are exacerbated by highly dense urban environments, which result in extra environmental stress such as noise and crowding. The research is set in Southeast Asia, where a large population lives and works in cities and suffers physical and psychological pressure due to the high-density environment. The research is to find correlations between the specific site configurations, physical environments, and human perceptions in the high-density urban context. Based on this, the chapter proposes a series of design strategies and implementations for the cities with comparable climate conditions and urban morphology. The output of this research contributes to the reinterpretation of “healing space” from medical and behavioral sciences to environmental studies and then transforms it into buildable design strategies and recommendations.



Urban Climate ◽  
2020 ◽  
Vol 34 ◽  
pp. 100671 ◽  
Author(s):  
Huahua Xu ◽  
Hong Chen ◽  
Xuefan Zhou ◽  
Yunni Wu ◽  
Yu Liu


2019 ◽  
Vol 17 ◽  
pp. 111-134
Author(s):  
Rawin Thinnakorn

This paper examines the relationship between mono-economic growth and urban sensitivity. The selected case study is the Pak Phanang Municipality of Nakhon Si Thammarat Province, which has a mono-economy of bird’s-nest businesses as its main economic base. The research methodology was divided into three parts. Part 1 includes the study of changing urban morphology caused by the growth of the mono-economy and the evaluation of urban decline from decentralization according to the theory of spatial centrality. Part 2 studies the distribution patterns of spatial and social sensitivity, using quantitative research and an indicator-based approach from the Social Vulnerability Index. Part 3 determines the relationship between economic, social, and spatial sensitivities together with the concentration of the mono-economy by applying an overlay technique. The study indicated that the growth of the mono-economy from bird’s nest businesses in the city center caused urban decline due to two significant factors: (1) Changing urban morphology — the city was not able to attract employment and various economic activities, which accelerated the migration of the population; (2) Changes in the socio-economic structure of the city center — as seen in the socio-economic sensitivity index — it was found that the city center had a high concentration of bird’s nest businesses which was greater than other urban areas. Therefore, the results determine that the growth of the mono-economy was the root cause of urban decline and an increased urban sensitivity. One potential suggestion is to strengthen the economic base of the city and create a variety of urban conditions to solve the root problems and help decrease urban vulnerability.



2008 ◽  
Author(s):  
Stephen Babb ◽  
Judy Berkowitz ◽  
Joel London ◽  
Lance D. Potter ◽  
Terry Savage


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