Urban expansion dynamics and modes in metropolitan Guangzhou, China

Gong, Jianzhou; Hu, Zhiren; Chen, Wenli; Liu, Yansui; Wang, Jieyong

doi:10.1016/j.landusepol.2017.12.025

Cited by 106 publications

(51 citation statements)

References 28 publications

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“…The socioeconomic factor, as one of the important driving factors, is discussed here. Previous studies have shown that rapid economic development can promote urban expansion [56,57]. This finding is also well supported by this paper.…”

Section: Analysis Of Factors Influencing Urban Expansionsupporting

confidence: 91%

Exploring Urban Expansion and Socioeconomic Vitality Using NPP-VIIRS Data in Xia-Zhang-Quan, China

2019

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Studying the spatiotemporal evolution of urban expansion in the Xia-Zhang-Quan metropolitan area (XZQ) is of crucial importance, to effectively guide coordinated development and industrial adjustment during urbanization. Based on National Polar Partnership-Visible Infrared Imaging Radiometer Suite (NPP-VIIRS) data this study used an analytical method of irregular spatial grids to explore and evaluate the dynamics of urban spatial expansion and urban socioeconomic vitality in XZQ between 2013 and 2017. The results show that the gulf-type urban development strategy of Xiamen has played a key role in the integration and development of XZQ. The urban area increased by 20–30% and increased intensity of socioeconomic activities was demonstrated by observed increases in the total brightness of urban nighttime light. Due to its unique advantages in the agricultural industries, Zhangzhou made significant economic progress during 2013–2017. At the same time, driven by spatial processes in Xiamen, areas such as the Zhangzhou Port Area and Longhai also achieved significant progress. This is also the case in Quanzhou and thus, collectively there is evidence of multi-polar growth. Jinjiang and Shishi effectively utilized coastal port economy development advantages to play a key role in the integration and development of XZQ. There were both commonalities and differences in terms of the characteristics of spatial expansion in different cities of XZQ. In summary, this study provides evidence to support further promotion of coordinated development in XZQ, and with appropriate caveats these findings could also be transferred to other urban agglomerations.

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Section: Analysis Of Factors Influencing Urban Expansionsupporting

confidence: 91%

Exploring Urban Expansion and Socioeconomic Vitality Using NPP-VIIRS Data in Xia-Zhang-Quan, China

2019

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“…Nonetheless, that sprawl often occurs when urban planning is not well managed [47], turns open spaces into built spaces, as a long-term consequence, leads to negative effects on the environment, in particular soil sealing, and pollution. In summary, urban sprawl takes place at the urban fringes in the form of radial development or development along the highways with the elongated urban development as in Sulaymaniah city [48]. colors.…”

Section: Driving Forces For Urban Sprawlmentioning

confidence: 99%

Urbanization and Urban Sprawl Issues in City Structure: A Case of the Sulaymaniah Iraqi Kurdistan Region

et al. 2019

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This novel study explores the driving forces and dynamics of rapid urbanization, highlighting the main causes and effects of urban explosion, environmental disruption, and city pattern transformation. This study was carried out that how urbanization and urban sprawl have influenced the structure of the city of Sulaymaniah in Kurdistan region of Iraq. This is because over the years many urban areas have experienced dramatic growth and population explosion that has resulted in the exhaustion of social amenities in the concerned communities. For this purpose, a qualitative method is used based on in-depth face-to-face interviews with local authority, including planners, architects, and experts of master planning, as well as professors in the academic institutions. This study also utilizes extensive document analysis to present the evolution of urban growth. The findings reveal that the autonomy, political conflict, non-implementation of master plans, and economic prosperity are the driving forces which are accelerating this urbanization process. It is proposed that the practical policies and strategic urban development plans are urgent requirement to control the unplanned urban growth and stimulate the desired sustainable future urban development.

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“…Beijing Covers a wide topographic gradient from 83 the mountainous areas in the north and west to the plain areas in the central, south, and east [5] Tianjin Relatively flat [40] Shanghai Relatively flat [26] Chongqing The famous "mountainous city", with many SN-trending mountains and a complex elevation ranging from 75 m to 2800 m [41] Guangzhou Higher in the northeast and lower in the southwest [19] Shenzhen Higher in the southeast and lower in the northwest [42] Dynamics of physical features (i.e., scale, and morphology) of urban lands are vital indicators to understand urbanization processes. The previous studies (i.e., [9,43]) mostly characterized urban land sprawl types via edge-expansion, infilling, and outlying patterns.…”

Section: Megacity Terrain Referencementioning

confidence: 99%

Assessing Interannual Urbanization of China’s Six Megacities Since 2000

Zhang

Liu

et al. 2019

Remote Sensing

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As a large and populous developing country, China has entered the rapid urbanization stage since 2000. Until 2018, China has accounted for nearly 1/5 of global megacities. Understanding their urbanization processes is of great significance. Given the deficiencies of existing research, this study explored the interannual urbanization process of China's six megacities during 2000-2018 from four aspects, namely, the basic characteristics of urban land expansion, expansion types, cotemporary evolution of urban land-population-economy, and urbanization effects on the local environment. Results indicated that (1) urban lands in China's six megacities increased by 153.27%, with distinct differences across megacities; (2) all of six megacities experienced the expansion processes from high-speed to low-speed, but they varied greatly in detail; (3) the speeds of urban land expansion in China's megacities outpaced the population growth but lagged behind in GDP increase; and (4) urbanization has triggered an environmental crisis, which is represented by the decline in vegetation coverage and the increase in land surface temperature in newly expanded urban lands. This study enriched the content of urbanization, supplemented the existing materials of megacities, and provided a scientific reference for designing rational urban planning.Despite conducting denser social activities and causing more drastic urban sprawl effects than other medium-and small-sized cities [9], megacities must face more serious eco-environment problems, such as air pollution [10,11], flood disaster [12,13], and cropland losses [14], which have been proven to reflect the urbanization characteristics of a country or region better [15].Urbanization hotspots are expected to emerge in developing countries in the next several decades of the 21st century [1]. As a large and populous developing country with nearly 1/5 of the megacities worldwide, China has experienced significant urbanization at an increasing rate of 232.48% since the implementation of the Reform and Opening-up Policy in 1978 and the country has entered into the rapid expansion stage since 2000 [16]. Therefore, China is a good research area for investigating the urbanization process. During the past decades, urban expansion in China has been thoroughly investigated by using remote sensing technology. These studies have identified the following features. (1) Research objects ranged from a single city (i.e., Beijing [5], Shanghai [17], Harbin [18], Guangzhou [19], Nanjing [20], etc.) to urban aggregations (i.e., Beijing-Tianjin-Hebei [21], Pearl River Delta [22], Yangtze River Delta [23], etc.). However, limited investigations have been conducted on China's six megacities.(2) Research approaches included but not limited to various classification models (i.e., supervised or unsupervised classification, artificial neural network, etc.) and analysis methods (i.e., spatiotemporal dynamics, sprawl patterns, etc.). However, urbanization is a comprehensive process involving both physical morphology and ...

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Urban expansion dynamics and modes in metropolitan Guangzhou, China

Cited by 106 publications

References 28 publications

Exploring Urban Expansion and Socioeconomic Vitality Using NPP-VIIRS Data in Xia-Zhang-Quan, China

Exploring Urban Expansion and Socioeconomic Vitality Using NPP-VIIRS Data in Xia-Zhang-Quan, China

Urbanization and Urban Sprawl Issues in City Structure: A Case of the Sulaymaniah Iraqi Kurdistan Region

Assessing Interannual Urbanization of China’s Six Megacities Since 2000

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