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Detecting spatio-temporal changes of arable land and construction land in the Beijing-Tianjin corridor during 2000-2015

文献类型： 外文期刊

作者： Guo Liying 1 ; Di Liping 2 ; Tian Qing 3 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China

2.George Mason Univ, Ctr Spatial Informat Sci & Syst, Fairfax, VA 22030 USA

3.George Mason Univ, Dept Computat & Data Sci, Fairfax, VA 22030 USA

关键词： spatio-temporal characteristics; arable land; construction land; peri-urbanization; Beijing-Tianjin corridor (BTC); metropolitan area; China

期刊名称：JOURNAL OF GEOGRAPHICAL SCIENCES （ 影响因子：3.534； 五年影响因子：3.647 ）

ISSN： 1009-637X

年卷期： 2019 年 29 卷 5 期

页码：

收录情况： SCI

摘要： Rapid peri-urbanization has become a new challenge for sustainable urban-rural development worldwide. To clarify how unprecedented urban sprawl at the metropolitan fringe impacts urban-rural landscape, this study took the Beijing-Tianjin corridor of Beijing-Tianjin-Hebei metropolitan area, one of the largest urban clusters in China, as a typical example. By using Landsat-based landscape metrics and a practical methodology, we investigated the landscape changes and discussed the potential reasons in the context of rapid peri-urbanization of China. Specifically, multi-temporal land use maps derived from Landsat images were used to calculate landscape metrics and analyze their characteristics along the urban-rural gradients. The practical methodology was used to monitor spatio-temporal characteristics of landscape change in large metropolitan areas. The results showed that landscape patterns in the area had changed greatly from 2000 to 2015 with characteristics of construction land sprawl and arable land shrinkage. The intensity and scale of landscape changes varied along the urban-rural gradients. Sampled plots in urbanized areas and rural areas demonstrated distinguishable landscape patterns and significant differences. Urban areas had more heterogeneous and fragmented landscapes than rural areas. Peri-urban areas in general experienced higher levels of land diversification than rural areas. Rural residential land appeared to be more aggregated near Beijing and Tianjin cities. Besides, our findings also indicated that urban expansion was largely responsible for landscape patterns. The findings of this study potentially provide strategical insights into landscape planning around mega cities and sustainable coordinated urban-rural development.

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