JOURNAL OF NATURAL RESOURCES ›› 2015, Vol. 30 ›› Issue (12): 2045-2056.doi: 10.11849/zrzyxb.2015.12.007

• Resource Evaluation • Previous Articles     Next Articles

Spatial Pattern and Club Convergence Analysis of Urban Expansion in Beijing-Tianjin-Hebei Urban Agglomeration

ZENG Xin-man1,2,3, LIU Hui1,2, LIU Wei-dong1,2   

  1. 1. Key Laboratory of Regional Sustainable Development Modeling, CAS, Beijing 100101, China;
    2. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China;
    3. University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2014-11-14 Revised:2015-03-04 Online:2015-12-15 Published:2015-12-15

Abstract: As the urbanization in our country has entered into a new rapid stage, urban agglomeration has become an important form of urbanization. Taking urban agglomeration as the subject, to research the spatial and internal differentiation characteristics of urban land expansion is the key to improve the quality of urbanization and achieve the coordinated and sustainable development of urban agglomeration. Based on four interpreted Landsat TM/ETM+ images (obtained in 1990, 2000, 2005, and 2010, respectively) and urban expansion index, we apply spatial analysis and econometric models to study the spatial pattern, regional differentiation and space club convergence of urban expansion in Beijing-Tianjin-Hebei Urban Agglomeration during 1990-2010 from the perspective of spatial effect. Firstly, the interpreta-tion of remote sensing images and the analysis of urban land-use changes show that from 1990 to 2010, urban land area increased about 4133 km2 in the urban agglomeration and the average annual expansion speed in 1990-2000, 2000-2005 and 2005-2010 was about 124, 172 and 407 km2, presenting an accelerating tendency. Then the spatial variation of urban land expansion is explored by spatial buffer analysis. The result shows that urban lands expand rapidly around the central area and along the highway, presenting circular and axial modes of expansion. Moreover, the urbanization intensity index is employed to describe the spatial differentia of urban expansion, which is calculated and classified into five categories. The maps show that urban expansion presents obvious spatial concentration and differentiation. In addition, significant spatial autocorrelation has also been found by using Moran��s I. Finally, the new concept of the spatial club convergence model is introduced into land expansion study. The spatial panel data analysis found space club convergence in L-L, L-H and H-H regions, and the convergence in L-L and L-H regions being significant (P< 0.001). Nevertheless, the H-L region has not converged. It concludes that setting new core cities among slowly development area will have a positive effect on neighbors. This analysis can be used in further studies on expansion mechanism of urban agglomeration, and provide the government with scientific reference on rational urban expansion and integrated planning of Beijing-Tianjin-Hebei Urban Agglomeration.

CLC Number: 

  • F293.2