基于夜间灯光数据的环渤海地区城市化过程

doi:10.11821/xb200503007

地理学报 ›› 2005, Vol. 60 ›› Issue (3): 409-417.doi: 10.11821/xb200503007

基于夜间灯光数据的环渤海地区城市化过程

何春阳¹, 李景刚¹, 陈晋¹, 史培军¹, 潘耀¹, 李京¹, 卓莉¹, 一之瀬俊明²

1. 北京师范大学环境演变与自然灾害教育部重点实验室, 北京师范大学资源学院, 北京 100875;
2. 日本国立环境研究所, 日本国茨城县筑波市小野川16-2, 筑波市, 〒305-0053

收稿日期:2004-09-02 修回日期:2005-02-03 出版日期:2005-05-25 发布日期:2005-05-25
通讯作者: 史培军: E-mail: spj@ires.cn
作者简介:何春阳 (1975-), 男, 四川射洪人, 博士, 讲师, 中国地理学会会员, 主要从事遥感应用与土地利用/覆盖变化研究。
基金资助:
北京师范大学青年教师基金项目 (10770001)

The Urbanization Model and Process in Bohai Sea Surrounding Area in the 1990s by Using DMSP/OLS Data

HE Chunyang¹, LI Jinggang¹, CHEN Jin¹, SHI Peijun¹, PAN Yaozhong¹, LI Jing¹, ZHUO Li¹, Ichinose Toshiaki²

1. Key Laboratory of Environmental Change and Natural Disaster, Ministry of Education of China, Beijing Normal University; College of Resources Science & Technology, Beijing Normal University, Beijing 100875, China;
2. Japan National Institute of Environmental Studies, 16-2 Onogawa, Tsukuba, 305-8506, Japan

Received:2004-09-02 Revised:2005-02-03 Online:2005-05-25 Published:2005-05-25
Supported by:
Young Teacher Foundation of Beijing Normal University, No.10770001

摘要/Abstract

摘要：

利用1992年、1996年和1998年的三期DMSP/OLS夜间灯光数据, 提取了区域尺度的环渤海地区20世纪90年代的城市群空间信息, 建立了城市群地区面状、线状和点状城市化空间模式, 分析了环渤海城市群地区20世纪90年代的城市化过程。基本结论如下：① 20世纪90年代环渤海城市群地区城市斑块数量增长较快, 城市化过程明显, 但小斑块所占比重较大, 城市斑块破碎度增加。同时, 区域内城市重心基本维持在经度117.93^o和纬度38.49^o附近, 整体上表现出向西北方向移动的趋势。② 20世纪90年代环渤海城市群地区城市化过程基本上可以从空间上概括为在中心城市和大城市周围的面状城市化过程、沿交通干线周围的线状城市化过程和广大区域内以新兴小城市或小城镇出现为特征的点状城市化过程三种基本过程。其中, 面状城市化过程一直居于优势地位, 但面状城市化过程的基本有效范围主要局限在面状城市斑块周围3~4 km范围。线状城市化过程和点状城市过程所占的比例相对较小, 但表现出明显的增强趋势, 在区域内的影响范围正逐渐扩大。

关键词: DMSP/OLS, 环渤海城市群, 城市化, 空间模式, 过程

Abstract:

The paper firstly derived urban information from Defense Meteorological Satellite Program/Operational Linescan System (DMSP/OLS) data in 1992, 1996 and 1998 with the support of statistical data, then developed three basic urbanization models of polygon-urbanization, line-urbanization and point-urbanization in urban agglomerations from viewpoint of spatial analysis. The conclusions are as follows: (1) Urban patch numbers in the Bohai Sea surrounding area increased from 1659 to 2053 with the average increased number of about 66. Meanwhile, the small urban patches took over a large percentage in the region and the patch density increased fast. In addition, the urban barycenter of the region showed the trend to northeast from 1992 to 1998. The urbanization in the Bohai Sea surrounding area in the 1990s is fast and obvious. (2) The urbanization in the Bohai Sea surrounding area can be reflected by the polygon-urbanization around the big cities, the line-urbanization around the transportation lines and the point-urbanization emerging in the wide region. Of them, the polygon-urbanization was dominant. It is obvious within the 3-4 km areas surrounding the urban patches. The line-urbanization and point-urbanization in the region was relatively small, but both of them showed the obvious increasing trend.

Key words: DMSP/OLS, Bohai surrounding area, urbanization, model, process

何春阳, 李景刚, 陈晋, 史培军, 潘耀, 李京, 卓莉, 一之瀬俊明. 基于夜间灯光数据的环渤海地区城市化过程[J]. 地理学报, 2005, 60(3): 409-417.

HE Chunyang, LI Jinggang, CHEN Jin, SHI Peijun, PAN Yaozhong, LI Jing, ZHUO Li, Ichinose Toshiaki. The Urbanization Model and Process in Bohai Sea Surrounding Area in the 1990s by Using DMSP/OLS Data[J]. Acta Geographica Sinica, 2005, 60(3): 409-417.

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基于夜间灯光数据的环渤海地区城市化过程

The Urbanization Model and Process in Bohai Sea Surrounding Area in the 1990s by Using DMSP/OLS Data

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