期刊
RESOURCES CONSERVATION AND RECYCLING
卷 185, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.resconrec.2022.106443
关键词
Urban scaling; Sustainable development goals; Prefectural cities; China
资金
- National Key Scientific Research Project [2021YFC3200200]
- National Natural Science Foundation of China [72022004]
This study adopts the SDG framework to establish holistic urban metrics tailored to China's context, and empirically examines the city-level scaling effects in China's prefectural cities. The study finds that the urban metrics of these cities generally fit into the scaling theory, and population correlates with many metrics.
Urban society, infrastructures, and their energy and water systems are interconnected, whose performance can be measured by United Nations Sustainable Development Goals (SDGs) 6-13. However, few studies have sys-tematically investigated sustainable development at the city level, especially in China. To fill this gap, we adopted the SDG framework to establish holistic urban metrics tailored to China's context. We empirically examined the city-level scaling effects and found that the urban metrics of China's prefectural cities basically fit into the scaling theory, that socioeconomic attributes are in super-linear relations with population while urban infrastructures show sub-linearity. Moreover, when the effects of per capita built-up area and GDP are controlled, the population still correlates to many metrics. This study provides a more nuanced understanding of urban scaling patterns, considering China's unique city governance regime and land-centered urbanization pathway when evaluating their sustainable development progress, which helps inform custom-fit planning strategies for a better future.
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