北部湾城镇群空间结构及其扩张规律研究

张军民; 荣城

doi:10.13959/j.issn.1003-2398.2022.05.014

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人文地理 ›› 2022, Vol. 37 ›› Issue (5) : 114-120,170. DOI: 10.13959/j.issn.1003-2398.2022.05.014

城市

北部湾城镇群空间结构及其扩张规律研究

张军民, 荣城

作者信息 +

SPATIAL STRUCTURE AND EXPANSION LAW OF BEIBU GULF URBAN AGGLOMERATION

ZHANG Jun-min, RONG Cheng

Author information +

文章历史 +

摘要

空间结构是优化城镇群地域功能的基础。根据新型城镇化和空间结构理论，用地统计、反距离权重等空间分析方法，研究广西北部湾城镇群空间结构分异规律得出：①北部湾城镇群以南宁市为中心向周边呈“核心—边缘”分异格局，时空集聚性和差异性渐趋扩大。②大城市空间聚集和结构分异不断增大，社会、经济要素空间扩张显著快于人口、土地要素，对外贸易和吸引投资是空间扩张的核心动力，非农化增长也是重要驱动。③城区面积与空间结构关系最密切，但投资、贸易、GDP、非农化扩张较快，人口、土地要素空间扩张显著滞后，各要素向大城市集聚的趋势显著，结构分异趋向扩大；绝大部分属于外贸、投资扩张型城镇。应强化南宁市集聚规模，提升工业化水平，扩大区内外合作，全面融入“一带一路”和大湾区新格局。

Abstract

Spatial structure is the basis for optimizing the regional functions of urban agglomerations. According to the theories of new urbanization and spatial structure, the process of spatial structure differentiation of the urban agglomeration in the Beibu Gulf in Guangxi was studied, with spatial self-organization and inverse distance weighting methods employed. The results showed that: 1) The spatial-temporal differentiation of the scale, attributes and the functions is obvious in the Beibu Gulf urban agglomeration. Its spatial differentiation pattern takes Nanning city as its center and presents itself as a "core-periphery" differentiation pattern. The concentration of Nanning city increased from 34.17% to 44.33%, and the standard deviation decreased from 21.37% to 13.79%. That indicate that the role of large cities in the temporal and spatial agglomeration is gradually expanding. 2) The urban spatial agglomeration and structural differentiation continue to increase. In the past ten years, the concentration of social and economic spatial expansion was 51.85% and 44.12% respectively, while population and land urbanization were only 2.96% and 1.08%. The spatial expansion considering social and economic elements is markedly faster than that of population and land elements, further analyzing the differences in the expansion intensity of various elements, it can be found that the spatial expansion intensity of various elements in recent ten years is ranked from large to small as: Total import and export trade, fixed asset investment, non-agricultural output value, the GDP and total retail sales of consumer goods, and the expansion intensity of other factors is very small. 3) The urban area has the closest relationship with spatial structure. The expansion of investment, trade, the GDP and non-agricultural grows rapidly, while the spatial expansion of population and land elements has lagged remarkably.

导出引用

张军民, 荣城. 北部湾城镇群空间结构及其扩张规律研究[J]. 人文地理. 2022, 37(5): 114-120,170 https://doi.org/10.13959/j.issn.1003-2398.2022.05.014

ZHANG Jun-min, RONG Cheng. SPATIAL STRUCTURE AND EXPANSION LAW OF BEIBU GULF URBAN AGGLOMERATION[J]. HUMAN GEOGRAPHY. 2022, 37(5): 114-120,170 https://doi.org/10.13959/j.issn.1003-2398.2022.05.014

中图分类号： K901 F124

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