Relationship between traffic road and urban land use expansion is complex and uncertain. Traffic road plays an important role in transportation and is a major driving force of urban land use expansion. Therefore, traffic road has great impact on urban expansion and development. Also, urban expansion has new demands for the development of traffic road. The paper tries to analysis the interaction between road network and urban construction land in Guangzhou-Foshan metropolitan area, to reveal the structural feature and evolution law of urban construction land in different developing stages of road network under multiple-core synergism. Based on topographic maps of 1957 and 1983, and remote sensing images acquired in 1995 and 2008, the normalized thematic data of road network were extracted. These road network data and construction land data were stored in database which was built up in ArcGIS. Using correlation analysis method, we quantitatively analyzed the interaction between road density and urban construction land expansion. The results show that: The variable coefficients of road density and urban construction land proportion present a highly positive linear relationship. Different years of road density and urban construction land expansion have an interrelationship. Districts with high road density correspond to the districts with intensive urban construction land. Districts with rapid development of road density correspond to the districts with rapid expansion of urban construction land. From the first two periods, the number of districts with rapid development of road density is bigger than the number of districts with rapid expansion of urban construction land. Compared with the development of road, the expansion of urban construction land has a slight delay. The expansion of urban construction land is stimulated by road development. During the last period, urban construction land expanded rapidly. The number of districts with rapid expansion of urban construction land is bigger than the number of districts with rapid development of road density. The expansion of urban construction land stimulates road development.
LIU Rui, HE Jin, HU Weiping
. Analysis of the Interaction between Road Network and Urban Construction Land in Guangzhou-Foshan Metropolitan Area[J]. Journal of Geo-information Science, 2011
, 13(5)
: 601
-610
.
DOI: 10.3724/SP.J.1047.2011.00601
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