Investigating the land use characteristics of urban integration based on remote sensing data: experience from Guangzhou and Foshan
Investigating the land use characteristics of urban integration based on remote sensing data: experience from Guangzhou and Foshan
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基于遥感数据的城市一体化土地利用特征研究——广州、佛山的经验
DOI：
10.1080/10106049.2018.1506505
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发表时间：
2018-09
影响因子：
3.8
通讯作者：
Weihao Wu
中科院分区：
文献类型：
--
作者：
Jinyao Lin;Weihao Wu
城市一体化是一个日益普遍的现象。从地理学的角度刻画城市一体化的动态过程具有重要意义。然而，以往的研究主要集中在单个实体的整体特征上，没有考虑城市间的影响。因此，本研究旨在对这一现象进行系统的研究。首先，利用空间聚类技术和景观度量分析了空间布局的时空变化。其次，构建多个城市边界环形缓冲带，揭示城市扩张的方向性差异。最后，将土地利用观测数据与元胞自动机模型模拟结果进行了比较。这些实验表明，城市一体化过程中的城市扩张特征与单个城市的扩张特征有很大不同，上述方法可以有效地表征城市一体化现象。广佛一体化的成功案例也可以为其他类似的尝试提供实践经验。
Abstract Urban integration is an increasingly popular phenomenon. It is important to characterize the dynamic processes of urban integration from the perspective of geography. However, previous studies mainly focussed on the overall characteristics of a single entity and failed to consider inter-city influences. Therefore, this study aims to systematically investigate this phenomenon. Firstly, spatial clustering technique and landscape metric were used to analyze the temporal change of spatial layout. Secondly, we built multiple ring buffers of city boundary to reveal the directional differences in urban expansion. Lastly, we compared the observed land use data with the results simulated by cellular automata model. These experiments have shown that the urban expansion characteristics during the urban integration process are rather different from those of a single city, and the above methodology can effectively characterize the urban integration phenomenon. The successful example of Guangzhou–Foshan integration could also provide practical experience for other similar attempts.
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