Spatiotemporal patterns of land use/cover change along coastal areas of the Pearl River Estuary in China during 1990 to 2005

Hong-jia Hong; Xiao-chun Peng; Zhi-liang Chen; Xing-xing Zhang; Qiang Liu; Hui Li

doi:10.1117/12.889235

4 February 2011 Spatiotemporal patterns of land use/cover change along coastal areas of the Pearl River Estuary in China during 1990 to 2005

Hong-jia Hong, Xiao-chun Peng, Zhi-liang Chen, Xing-xing Zhang, Qiang Liu, Hui Li

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Proceedings Volume 7752, PIAGENG 2010: Photonics and Imaging for Agricultural Engineering; 775203 (2011) https://doi.org/10.1117/12.889235
Event: International Conference on Photonics and Image in Agricultural Engineering (PIAGENG 2010), 2010, Qingdao, China

Abstract

Land use/cover changes (LUCC) have been of great concern in global change research in recent years. Based on TM image data and other survey materials, this paper analyzed the spatiotemporal patterns of land use change along Coastal areas of the Pearl River Estuary in China during 1990-2005. The findings of this study were summarized as follows: Land use pattern changed dramatically during 1990-2005.Areas of built-up land increased by 2256.38km2 at an annual rate of 9.53%, increasing from 7.73% to 36.82% of the total amount. Arable land and woodland decreased by 1457.73km2 and 475.56 km2 respectively, mainly due to the expansion of industrial construction. Garden land and wetland showed only minor negative changes. Change of water was relatively stable and there was a little descending tendency. Relatively change ratio index (RCRI) was used to describe land use dynamic change situation of different region. During 1990-1995, Shenzhen had the largest RCRI (1.487), followed by Dongguan (1.458), the third was Zhuhai (1.227). Trends of RCRI change between 1995 and 2000 were quite similar with 1990-1995. It turned out to be land use changed more intensely in these three regions than that in Panyu and Zhongshan during 1990-2000. But during 2000-2005, Zhongshan and Panyu occupied the first and second place of RCRI, with the value of 1.309 and 1.098 respectively, showing that these regions have been become the investment hotspots after Shenzhen, Dongguan and Zhuhai.

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Hong-jia Hong, Xiao-chun Peng, Zhi-liang Chen, Xing-xing Zhang, Qiang Liu, and Hui Li "Spatiotemporal patterns of land use/cover change along coastal areas of the Pearl River Estuary in China during 1990 to 2005", Proc. SPIE 7752, PIAGENG 2010: Photonics and Imaging for Agricultural Engineering, 775203 (4 February 2011); https://doi.org/10.1117/12.889235

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Geographic information systems

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