Detection of Deformation along Jingjiang Segment of Yangtze RiverDyke  Based on Radar Satellite Time Series Analysis Technique

doi:10.11988/ckyyb.20190871

Journal of Changjiang River Scientific Research Institute ›› 2019, Vol. 36 ›› Issue (10): 23-27.DOI: 10.11988/ckyyb.20190871

• INFORMATION MANAGEMENT OF DYKE ENGINEERING • Previous Articles Next Articles

Detection of Deformation along Jingjiang Segment of Yangtze RiverDyke Based on Radar Satellite Time Series Analysis Technique

ZHANG Jian^1,2, PAN Bin¹, CHEN Wen-long², ZHANG Yu², LUO Tian-wen³

1.School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, China;
2.Spatial Information Technology Application Department, Yangtze River Scientific Research Institute, Wuhan 430010, China;
3.Guizhou Water Resources and Hydropower Survey and Design Institute,Guiyang 550002, China

Received:2019-07-23 Published:2019-10-01 Online:2019-10-01

Abstract

Abstract: In this research we collected 32 radar satellite images from 2018 to 2019, and monitored the settlement of Jingjiang segment of Yangtze River dyke segment from Shishou to Jianli using PS-InSAR technology. We obtained the deformation trend and its physical mechanism by analyzing the average settlement rate from April 2018 to April 2019. Results unveiled uneven settlement in this segment of dike; but the deformation trend changes with time in a year. Radar satellite time series analysis technology could highly-effectively monitor the settlement of Jingjiang River dyke in a large range, which suggest that radar satellite time series analysis has great application potential in the deformation monitoring of the Yangtze River embankment.

Key words: monitoring of dyke settlement, Sentinel-1A radar satellite imaging, time series analysis, uneven settlement, Jingjiang segment of Yangtze River dyke

CLC Number:

TP79

ZHANG Jian, PAN Bin, CHEN Wen-long, ZHANG Yu, LUO Tian-wen. Detection of Deformation along Jingjiang Segment of Yangtze RiverDyke Based on Radar Satellite Time Series Analysis Technique[J]. Journal of Changjiang River Scientific Research Institute, 2019, 36(10): 23-27.

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Detection of Deformation along Jingjiang Segment of Yangtze RiverDyke Based on Radar Satellite Time Series Analysis Technique

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