A Study on Urban Construction Land Expansion Mode in Fuzhou City

Abstract:

This paper took Fuzhou urban area as an example，which is provincial capital city of Fujian province. Data on the variation of construction land in Fuzhou were obtained by employing the statistic and analytic function of GIS on the spatial data from remote sensing image data in different periods. A new method based on the principle of convex hull was used in this paper, which is to define the types of urban land expansion by the proportion of the area located inside or outside the convex hull of a city’s outline. The results showed that, during the last 20 years，the area of construction land had almost doubled, from 84.1 km2 to 190.3 km2. Urban construction land expanded to 64.2 km2 with an average annual growth rate of 4.84%, which was more obvious during the 1988-2000 periods. On the whole, urban construction land expansion of Fuzhou city belonged to the ‘extension’ type, complementary to ‘infilling’ type. There are three patterns namely 1inear development, sprawl expansion and leapfrog expansion. Previous period, the city spread along two main traffic quickly in the north-south and east-west, latter period was the slow expansion of low-density infill.

• Periodical: Applied Mechanics and Materials (Volumes 316-317)
• Pages: 219-222
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.316-317.219
• Online since: April 2013
• Authors: L.Y. Bai, Zhi Qiang Chen
• Keywords: Convex Hull, Expansion Model, Fuzhou, Urban Construction Land

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DOI: 10.1016/s0921-8009(01)00254-3