基于多时相遥感的鄂尔多斯市不透水面变化分析

doi:10.13474/j.cnki.11-2246.2022.0141

测绘通报 ›› 2022, Vol. 0 ›› Issue (5): 56-61.doi: 10.13474/j.cnki.11-2246.2022.0141

基于多时相遥感的鄂尔多斯市不透水面变化分析

赵传武¹, 吴子若², 张玉环³, 郭伟²

1. 北京师范大学地理科学学部遥感科学与工程研究院, 北京 100875;
2. 中国矿业大学(北京) 地球科学与测绘工程学院, 北京 100083;
3. 生态环境部卫星环境应用中心, 北京 100094

收稿日期:2021-06-16 修回日期:2022-02-18 发布日期:2022-06-08
通讯作者: 张玉环。E-mail:yuhuan_rs@163.com
作者简介:赵传武(1995-),男,博士生,主要研究方向资源与环境遥感。E-mail:cumtb_zhao@163.com
基金资助:
中央高校基本科研业务费专项资金(2020XJDC03);江苏省湖泊环境遥感技术工程实验室开放基金(JSLERS-2019-004)

Analysis of impervious surface change in Ordos city based on multi-temporal remote sensing

ZHAO Chuanwu¹, WU Ziruo², ZHANG Yuhuan³, GUO Wei²

1. Institute of Remote Sensing Science and Engineering, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China;
2. College of Geoscience and Surveying Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China;
3. Ministry of Ecology and Environment Center for Satellite Application on Ecology and Environment, Beijing 100094, China

Received:2021-06-16 Revised:2022-02-18 Published:2022-06-08

摘要/Abstract

摘要： 不透水面作为城市发展和生态环境的重要评估因子,在保障生态环境健康和城市可持续发展中具有重大意义。本文以鄂尔多斯为研究区,通过融合多时相Landsat和夜间灯光数据,提取1990—2019年的不透水面信息,并利用重心分析法、标准差椭圆理论和景观指数理论分析时空演变规律。研究结果表明:①1990—2019年鄂尔多斯市不透水面经历了快速扩张;东北部不透水面覆盖度高于西南部;不透水面的扩张模式总体上表现为“向外扩张-向内加密”。②东北部扩张速度减缓,西南部扩张速度增快。③不透水面扩张的方向性减弱;不透水面扩张的方向有由“东北-西南”向“东-西”转变的趋势。④斑块数量及边缘斑块破碎度增加,城市与郊区的连通性增强,城市有向周边郊区扩张的趋势。本文研究对于进一步了解城市生态环境健康与城市可持续发展的相关关系具有一定的参考价值。

关键词: 多时相遥感, 不透水面, GIS技术, 景观指数, 鄂尔多斯

Abstract: As an important assessment factor of urban development and ecological environment, impervious surface area (ISA) is of great significance in ensuring ecological health and sustainable urban development. In this paper, Ordos is taken as the study area and ISA information from 1990-2019 is extracted by fusing multi-temporal Landsat and nighttime lighting data (NTL), and the spatial and temporal evolution patterns are analyzed using the center of gravity analysis method, standard deviation ellipse theory (SDE) and landscape index theory (LI). The results show that:①From 1990 to 2019, the ISA of the Ordos city has experienced rapid expansion; the coverage of ISA in the northeast is higher than that in the southwest; the expansion pattern of ISA is:generally characterized by "outward expansion-inward encryption". ②The expansion rate in the northeast is slowing down, while the expansion rate in the southwest is increasing. ③ The directionality of ISA expansion is decreasing; the direction of ISA expansion is changing from "northeast-southwest" to "east-west". ④The number of patches increases, the fragmentation of edge patches increases, the connectivity between urban and suburban areas increases, and the city tends to expand to the surrounding suburbs. This study is a useful reference for further understanding the relationship between urban ecological health and sustainable urban development.

Key words: multi-temporal remote sensing, impervious surface area, GIS technology, landscape index, Ordos

中图分类号:

P237

赵传武, 吴子若, 张玉环, 郭伟. 基于多时相遥感的鄂尔多斯市不透水面变化分析[J]. 测绘通报, 2022, 0(5): 56-61.

ZHAO Chuanwu, WU Ziruo, ZHANG Yuhuan, GUO Wei. Analysis of impervious surface change in Ordos city based on multi-temporal remote sensing[J]. Bulletin of Surveying and Mapping, 2022, 0(5): 56-61.

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基于多时相遥感的鄂尔多斯市不透水面变化分析

Analysis of impervious surface change in Ordos city based on multi-temporal remote sensing

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