Exploration of the Urbanization Process and Its Impact on Vegetation in 125 Resource-Based Cities in China and Comparison with Other Cities

被引:0
|
作者
Han, Jiazheng [1 ,2 ]
Sajadi, Payam [2 ]
Hu, Zhenqi [1 ,3 ]
Zhou, Kaiping [1 ]
Li, Shijin [1 ]
Feng, Zhanjie [1 ]
Pilla, Francesco [2 ]
机构
[1] China Univ Min & Technol, Sch Environm Sci & Spatial Informat, Xuzhou 221116, Peoples R China
[2] Univ Coll Dublin, Sch Architecture Planning & Environm Policy, Spatial Dynam Lab, Dublin D04 V1W8, Ireland
[3] China Univ Min & Technol, Energy & Resources Strateg Dev Inst, Xuzhou 221116, Peoples R China
基金
中国博士后科学基金;
关键词
urbanization; vegetation coverage; resource-based city; resource curse; sustainable development; URBAN; CURSE;
D O I
10.3390/rs16193640
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Resource-based cities (RBCs) in China are at a historic juncture in their transformative development. Observing and assessing the role of the resource curse in urban expansion and greening is crucial for the sustainable development of these cities. This study proposes a new framework to extract urban boundary data from 2000 to 2020 in China. Utilizing these data, we analyzed differences in urban expansion intensity and urban vegetation cover between 125 RBCs and 223 non-RBCs. We found the following: (1) While urban areas in China experienced steady growth from 2000 to 2020, the urban area expansion rates of RBCs lagged behind those non-RBCs located in the same geographical areas except in South China, with the lowest annual expansion rate of 1.18% occurring in the Northeast. (2) Although the existing urban areas in some cities show a greening trend, both existing and new urban areas in China are predominantly characterized overall by browning. Surprisingly, RBCs exhibit a stronger greening trend than non-RBCs, particularly in Northwestern China. (3) There is a nuanced interplay and coexistence between resource dependency and urban expansion, with a specific negative correlation when resource dependency is very high or very low. This study provides a novel method and approach for urban boundary delineation. It offers new insights into the developmental characteristics of RBCs, enriching the theoretical framework of resource curse research and supporting the green development of RBCs with robust data.
引用
收藏
页数:19
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