高分辨率PS-InSAR在轨道交通形变特征探测中的应用

秦晓琼; 杨梦诗; 王寒梅; 杨天亮; 林金鑫; 廖明生

doi:10.11947/j.AGCS.2016.20150440

测绘学报 >

2016 , Vol. 45 >Issue 6: 713 - 721

DOI: https://doi.org/10.11947/j.AGCS.2016.20150440

摄影测量学与遥感

高分辨率PS-InSAR在轨道交通形变特征探测中的应用

秦晓琼 ,
杨梦诗 ,
王寒梅 ,
杨天亮 ,
林金鑫 ,
廖明生

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1. 武汉大学测绘遥感信息工程国家重点实验室, 湖北武汉 430079;
2. 国土资源部地面沉降监测与防治重点实验室, 上海 200072;
3. 上海市地质调查研究院, 上海 200072

秦晓琼(1991-),女,博士生,研究方向为时间序列InSAR地表形变监测。E-mail:qinxiaoqiong@whu.edu.cn

收稿日期: 2015-08-27

修回日期: 2016-01-31

网络出版日期: 2016-06-29

基金资助

国家自然科学基金重点项目(61331016);湖北省自然科学基金重点项目(2014CFA047);高分辨率对地观测系统重大专项(06-Y30B04-9002-13115)

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Application of High-resolution PS-InSAR in Deformation Characteristics Probe of Urban Rail Transit

QIN Xiaoqiong ,
YANG Mengshi ,
WANG Hanmei ,
YANG Tianliang ,
LIN Jinxin ,
LIAO Mingsheng

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1. State Key Laboratory of Engineering in Surveying, Mapping and Remote Sensing, Wuhan 430079, China;
2. Key Laboratory of Land Subsidence Monitoring and Prevention, Ministry of Land and Resources of China, Shanghai 200072, China;
3. Shanghai Institute of Geological Survey, Shanghai 200072, China

Received date: 2015-08-27

Revised date: 2016-01-31

Online published: 2016-06-29

Supported by

The State Key Program of National Natural Science of China (No. 61331016);The Province Key Program of Natural Science Foundation of Hubei (No. 2014CFA047);Major Project of High-resolution Earth Observation System(No. 06-Y30B04-9002-13115)

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摘要

为了确保城市轨道交通的安全运营和可持续发展,将高分辨率PS-InSAR技术引入城市轨道交通的形变监测领域。以上海为例,分析了城市轨道交通网络专题的形变特征。首先,利用26景TerraSAR-X影像在上海开展高分辨率PS-InSAR沉降精细测量,得到轨道交通网络整体的沉降格局;然后,针对不同建成时期和建设形式的路段,分类探讨其形变特性及原因;最后,进行测量结果的精度验证。分析结果表明,快速的城市化发展建设已成为上海轨道交通沿线主要的沉降原因;不同建成时期和建设形式的路段表现出不同的形变特征,早期建设路段比晚期建设路段更稳定,高架路段比地下路段沉降速率更小;PS-InSAR与水准数据保持很好的一致性。证实了高分辨率PS-InSAR技术在城市轨道交通形变监测、管理维护和预警方面具有一定的可行性,可以为城市公共交通的规划和建设提供决策支持。

关键词： 沉降监测; PS-InSAR; 轨道交通; 高分辨率

本文引用格式

秦晓琼 , 杨梦诗 , 王寒梅 , 杨天亮 , 林金鑫 , 廖明生 . 高分辨率PS-InSAR在轨道交通形变特征探测中的应用[J]. 测绘学报, 2016 , 45(6) : 713 -721 . DOI: 10.11947/j.AGCS.2016.20150440

Abstract

In order to make sure the security and sustainable development of the urban rail transit, the PS-InSAR technology is introduced into the deformation monitoring of urban rail transit. Taking Shanghai as an example, it is analyzed that the characteristics of surface deformation along the rail transit. Firstly, 26 TerraSAR-X images are used to carry out the high-resolution PS-InSAR subsidence fine measurements in Shanghai for the overall land subsiding characteristics of rail transit. Then, the detail subsidence pattern and the driving force is discussed by classified the rail transit with different construction periods and building modes. Finally, the accuracy of the results is verified by leveling in the same period. The results show that rapid urbanization construction has become a main reason for the subsidence of Shanghai rail transit. Rail transit with different construction periods and building modes show various deformation characteristics. Earlier sections are more stable than later sections and elevated sections have smaller subsidence rate than underground sections. The verification results show fairly consistent agreement. The results further illustrate that it is feasible to use the high-resolution PS-InSAR technology into the deformation monitoring, management, maintenance and early warning of urban public transportation projects. It can also provide decision support for planning and construction of urban public transportation.

Key words： subsidence monitoring; PS-InSAR; urban rail transit; high resolution

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