Construction land allocation in Beijing-Tianjin-Hebei and Yangtze River Delta urban agglomerations
Urbanization has always been a crucial area for development geography.Regional development strategies that align with urban characteristics and the scientific allocation of construction land indicators can effectively guide the high-quality coordinated development of urban agglomerations.However,the issue of whether urbanization matches the development strategy has always lacked an in-depth response in geography.Moreover,as the control over agricultural and ecological spaces becomes increasingly strict,the availability of construction land indicators is increasingly constrained.The allocation of construction land indicators is thus critical for the distribution of regional resources and the achievement of development goals of regional urban agglomeration.Based on the construction principles of development geography indicator system and the core-periphery theory,this study comprehensively considered the three subsystems of urbanization(population,economy,and land)and the spatial link intensity among cities to analyze the impacts of"siphon"and"radiation"effects on regional development,and assessed whether China's two major regional development strategies matched the comprehensive development characteristics of urban agglomerations.Based on this analysis,the quantitative allocation of construction land in the Beijing-Tianjin-Hebei(BTH)and Yangtze River Delta(YRD)urban agglomerations was completed.The results showed that the comprehensive level index of urban(CLU)in core cities(Beijing and Tianjin)and peripheral cities differed significantly,demonstrating a clear core-periphery structure.Along with urbanization,the"siphon"effect in BTH was gradually weakening.Beijing's urban primacy decreased and the growth rate of the CLU dropped from 53.89％to 18.37％over the first and last 5 years of this study period.In contrast,the"radiation"effect in the YRD remained more obvious,exhibiting a development pattern driven by multiple growth poles in various smaller regions.As urbanization progressed,the BTH indicated a trend of coordinated development,while the integration level of the YRD continued to strengthen.Compared to the government's top-down indicator allocation data,the results of the quantitative allocation of construction land reduced volatility and increased robustness.This study confirmed the scientific basis of the coordinated development of the BTH and the integrated regional development strategy of the YRD from the perspective of development geography.It also provides empirical support for research on the allocation of construction land.
万方数据
维普
