Scale, distribution, and pattern of mixed land use in central districts: A case study of Nanjing, China

Shi, Beixiang; Yang, Junyan

doi:10.1016/j.habitatint.2014.11.008

Cited by 48 publications

(27 citation statements)

References 11 publications

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“…XCZ, the primary center of Nanjing, is characterized by busy road traffic and a dense distribution of high-rise buildings, being a typical high-density built-up area (as shown in Figure 4). According to a related study, XCZ covers an area of 5.66 km 2 with a floor-area ratio of 2.3 [33]. Although XCZ is a high-density built-up area, not all street blocks are of high density.…”

Section: Study Casementioning

confidence: 99%

Impacts of Urban Form on Thermal Environment Near the Surface Region at Pedestrian Height: A Case Study Based on High-Density Built-Up Areas of Nanjing City in China

et al. 2020

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The continuous worsening of urban thermal environments poses a severe threat to human health and is among the main problems associated with urban climate change and sustainable development. This issue is particularly severe in high-density built-up areas. Existing studies on the thermal environments (temperature data extracted from satellite remote sensing images) are mainly focused on urban canopy areas (airspace below the average height of trees or buildings) rather than the near surface region (at pedestrian height). However, the main outdoor activity space of urban residents is the area near surface region. Hence, this study aims to investigate the influence of urban form (i.e., building density, height, and openness) on thermal environment near the surface region. The high-density built-up areas of a typical megacity (i.e., Nanjing) in China were selected, and the thermal environments of 26 typical blocks were simulated using ENVI-met software. Temperature field measurements were carried out for simulation validation. On this basis, a classified and comparative study was conducted by selecting the key spatial form elements that affect thermal environments. The results showed that in actual high-density built-up areas, single urban form parameter does not determine the thermal environments near the urban surface but mainly affected by the use (function) of space. For this study, the overall thermal environment of a street block is optimal when the building density is between 40% and 50% and the average building height is between 8 and 17 stories. Nonetheless, the urban form can be improved to optimize the overall effects on building functions and thermal environments. Furthermore, function-specific urban form optimization strategies were proposed to optimize thermal environments according to specific functional needs.

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Section: Study Casementioning

confidence: 99%

Impacts of Urban Form on Thermal Environment Near the Surface Region at Pedestrian Height: A Case Study Based on High-Density Built-Up Areas of Nanjing City in China

et al. 2020

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“…In addition, mixed and diverse functions are also key elements of a compact city [62,64]. The problems and difficulties of mixed land use that emerged in the development of China's rapid urbanization process still require systematic research and exploration [65]. In summary, the results of this paper show that urban form profoundly affects the creation of urban vitality.…”

Section: Conclusion and Discussionmentioning

confidence: 79%

Exploring the Associations Between Urban Form and Neighborhood Vibrancy: A Case Study of Chengdu, China

Huang

Shi

et al. 2019

IJGI

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The design and optimization of urban form has always been a hot topic in urban planning and development research. Besides, the creation of continuous vitality in urban areas is of critical importance in the development of urbanization. However, due to the lack of data, it is difficult to measure the effects of urban form on neighborhood vibrancy. Additionally, no uniform conclusion has been drawn regarding to what degree urban form can contribute to neighborhood vibrancy. Taking advantage of emerging new data sources, the depth and breadth of related research can now be improved. Therefore, this paper uses high-precision positioning social media check-in data to approximate the vibrancy of 658 neighborhoods, and uses a geographical information system (GIS) to quantitatively measure the urban form indicators in the central area of Chengdu City, China. A quantitative exploration and analysis of the relationships between neighborhood vibrancy and urban form is conducted. The results of three regression models considering different explanatory variables show that socio-economic factors account for approximately 23% of neighborhood vibrancy. In addition, the correlation between the shape characteristics of a neighborhood and the vibrancy is weak. However, when the inner urban form indicators of neighborhoods are introduced into the regression model, the goodness of fit (R2) is nearly doubled. This finding indicates that strong associations exist between urban form and neighborhood vibrancy. Specifically, building density and functional diversity are positively correlated with neighborhood vibrancy. Unlike existing studies, this study finds that the road network within the neighborhood plays a positive role in the creation of neighborhood vibrancy. However, the impact of a road density indicator is not as powerful as the impacts of building density and functional diversity. This research can help urban designers to better design urban environments.

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“…HOPSCA is not a completely new notion. HOPSCA is the concrete practice of a mixed-use project under the guidance of mixed-use development [21,[25][26][27]. In European and North American cities, both theoretical and empirical research on mixed-use development has long been carried out [28][29][30].…”

Section: Literature Reviewmentioning

confidence: 99%

“…In recent years, a new form or project regarding real estate that integrates hotels, offices, parks, shopping malls, conventions, and apartments, known as HOPSCA, has flourished in many Chinese cities [19][20][21]. Integrating a variety of functions, including commerce, office, residential, and leisure, into a compact urban space, HOPSCA exhibits considerable advantages in creating a vibrant and efficient living space for urban residents [20,22].…”

Section: Introductionmentioning

confidence: 99%

The Effect of HOPSCA on Residential Property Values: Exploratory Findings from Wuhan, China

Qin

Liu

2019

Sustainability

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Mixed-use development is theoretically considered to enhance the residential value of an area. However, limited empirical research has focused on European and North American cities. HOPSCA is a real estate project that integrates hotels, offices, parks, shopping malls, conference centers, and apartments. As an important mixed-use development project in Chinese cities, HOPSCA is designed to improve the quality of urban life and to enhance the residential value of an area. Few studies have explicitly examined the effect of HOPSCA on residential property values, let alone linked this question to particular types of HOPSCA. To bridge this research gap, we selected Wuhan City in China as a case study to explore the effects of HOPSCA on residential property values. Specifically, we used the potential model to quantify the effects of HOPSCA and used the geographically weighted regression (GWR) method to estimate the relationship between HOPSCA variables and residential property values. The results are as follows: (1) the effects of HOPSCA on residential property values are statistically significant with positive and negative effects. The balanced-development HOPSCA generated the greatest effects, with the highest premium of 10.76% placed on residential properties. Moderate price premiums of 3.57% and 1.83% were generated under the influence of the commerce-oriented HOPSCA and housing-oriented HOPSCA, respectively. By contrast, the business-oriented HOPSCA exerted a negative effect on residential property (−2.43%). (2) Significant spatial heterogeneity exists on the effect of HOPSCA on residential property values. The results showed that the influence of different types of HOPSCA, viz. the higher the compatibility between the HOPSCA type and the socioeconomic context of Wuhan, the higher the premium captured by residential properties within the city areas. HOPSCA benefits the improvement of the quality of urban life, which promotes urban development. For policy makers and real estate developers, our findings suggest that matching the development types and the spatial layouts of HOPSCA with the regional socioeconomic contexts is critical for enhancing the value performance of such projects.

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Scale, distribution, and pattern of mixed land use in central districts: A case study of Nanjing, China

Cited by 48 publications

References 11 publications

Impacts of Urban Form on Thermal Environment Near the Surface Region at Pedestrian Height: A Case Study Based on High-Density Built-Up Areas of Nanjing City in China

Impacts of Urban Form on Thermal Environment Near the Surface Region at Pedestrian Height: A Case Study Based on High-Density Built-Up Areas of Nanjing City in China

Exploring the Associations Between Urban Form and Neighborhood Vibrancy: A Case Study of Chengdu, China

The Effect of HOPSCA on Residential Property Values: Exploratory Findings from Wuhan, China

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