Classification and Spatial Differentiation of Subdistrict Units for Sustainable Urban Renewal in Megacities: A Case Study of Chengdu
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area and Data Source
2.2. Classification Concept and Indicator System
2.3. Quantification and Characterization of Indicators
3. Results
3.1. Mismatch of Regional Features
3.2. Circular-Axial Spatial Pattern of Internal Characteristics
3.3. The Circular and Axial Structures Shape the Composite-Type Results
4. Discussion
4.1. An Emphasis on Participatory Governance in High-Density Central Areas
4.2. Consideration Should Be Given to Equity in Peri-Urban Areas
4.3. Research Significance and Prospects
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Hierarchy | Dimension | Keyword | Measurement | Source | Corresponding Indicators |
---|---|---|---|---|---|
Municipal | Economy Society | Policy | National and provincial preferential policies | CAO, K.X.; DENG, Y. 2021 [5] KARA, C.; IRANMANESH, A. 2023 [15] LEE, J.H.; LIM, S. 2018 [13] AWAD, J.; JUNG, C. 2022 [14] | Regional Economic Policies |
GDP | GDP | CAO, K.X.; DENG, Y. 2021 [5] | |||
Superior Planning | Priority Zoning | CAO, K.X.; DENG, Y. 2021 [5] KARA, C.; IRANMANESH, A. 2023 [15] | Social Development Planning | ||
District | Economy Society | Landscape | Guidelines for construction style | WANG, Y.; TANG, H. et al., 2020 [34] YANG, C.; XIN, L. et al., 2020 [23] | Historical and Cultural Heritage Reservation |
Regional Transport | Rail transit station density and line length | WANG, Y.; TANG, H. et al., 2020 [34] AWAD, J.; JUNG, C. 2022 [14] | Average Residential Rent | ||
Fiscal Capacity | General public budget | CAO, K.X.; DENG, Y. 2021 [5] | General Public Budget Income | ||
Industry | Industrial income Job provision | PENG, Y.; LAI, Y.N. et al., 2015 [12] CAO, K.X.; DENG, Y. 2021 [5] | |||
Subdistrict District | Environment | Building Condition | Age, Ownership, Usage | PENG, Y.; LAI, Y.N. et al., 2015 [12] WANG, Y.; TANG, H. et al., 2020 [34] | Average Residential Rent Population Density |
Surrounding | LCZ type, Greening rate | PENG, Y.; LAI, Y.N. et al., 2015 [12] WANG, Y.; TANG, H. et al., 2020 [34] AWAD, J.; JUNG, C. 2022 [14] | |||
Quantity of Existence | Built-up Area Floor space | YANG, C.; XIN, L. et al., 2020 [23] CAO, K.X.; DENG, Y. 2021 [5] | |||
Society | Affordability of Housing | Average rent and price | PENG, Y.; LAI, Y.N. et al., 2015 [12] LEE, J.H.; LIM, S. 2018 [13] WANG, Y.; TANG, H. et al., 2020 [34] | ||
Culture | Heritage protection Local customs | PENG, Y.; LAI, Y.N. et al., 2015 [12] YANG, C.; XIN, L. et al., 2020 [23] KARA, C.; IRANMANESH, A. 2023 [15] | Historical and Cultural Heritage Reservation | ||
Public Service | Education coverage Health service coverage Safety | PENG, Y.; LAI, Y.N. et al., 2015 [12] LEE, J.H.; LIM, S. 2018 [13] YANG, C.; XIN, L. et al., 2020 [23] KARA, C.; IRANMANESH, A. 2023 [15] | Average Residential Rent The Ratio of Permanent Population to Registered Residence Population | ||
Economy | Local Commerce | Employment density, Convenient business service | PENG, Y.; LAI, Y.N. et al., 2015 [12] LEE, J.H.; LIM, S. 2018 [13] CAO, K.X.; DENG, Y. 2021 [5] AWAD, J.; JUNG, C. 2022 [14] | ||
Land Use | Development intensity Functional blending | PENG, Y.; LAI, Y.N. et al., 2015 [12] WANG, Y.; TANG, H. et al., 2020 [34] AWAD, J.; JUNG, C. 2022 [14] |
Assignment Value | Meanings of Value | |||
---|---|---|---|---|
Social Development Planning | Regional Economic Policies | Historical and Cultural Reservation | General Public Budget Income | |
0 | Ng. | Ng. | ||
1 | South and east expansion area Growth-oriented | With provincial development zone policies No national policies | With provincial reservation policies No national policies | Low |
2 | West and north Renovation area Growth-controlled | With national development and urbanization zone policies | With national reservation zones or other relics protection policies | Average |
3 | Central Comprehensive improvement and transformation | High |
Type Code | Abbreviation | Count | Percentage |
---|---|---|---|
IV—core-R | CR | 34 | 26.6% |
III—axis-R | AR | 2 | 1.6% |
III—axis-Ag | AA | 12 | 9.4% |
III—axis-C | AC | 20 | 15.6% |
III—axis-Lf | AL | 5 | 3.9% |
II—inter-axis-Lf | IA | 14 | 10.9% |
I—outer ring-Wb | OW | 4 | 3.1% |
I—outer ring-Ag | OA | 12 | 9.4% |
I—outer ring-Lf | OL | 25 | 19.5% |
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Zuo, J.; Fan, J.; Huang, X.; Li, C.; Luo, J. Classification and Spatial Differentiation of Subdistrict Units for Sustainable Urban Renewal in Megacities: A Case Study of Chengdu. Land 2024, 13, 164. https://doi.org/10.3390/land13020164
Zuo J, Fan J, Huang X, Li C, Luo J. Classification and Spatial Differentiation of Subdistrict Units for Sustainable Urban Renewal in Megacities: A Case Study of Chengdu. Land. 2024; 13(2):164. https://doi.org/10.3390/land13020164
Chicago/Turabian StyleZuo, Jin, Jiahui Fan, Xingyu Huang, Chen Li, and Jiancheng Luo. 2024. "Classification and Spatial Differentiation of Subdistrict Units for Sustainable Urban Renewal in Megacities: A Case Study of Chengdu" Land 13, no. 2: 164. https://doi.org/10.3390/land13020164
APA StyleZuo, J., Fan, J., Huang, X., Li, C., & Luo, J. (2024). Classification and Spatial Differentiation of Subdistrict Units for Sustainable Urban Renewal in Megacities: A Case Study of Chengdu. Land, 13(2), 164. https://doi.org/10.3390/land13020164