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

ZHANG Jian; PAN Bin; CHEN Wen-long; ZHANG Yu; LUO Tian-wen

doi:10.11988/ckyyb.20190871

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

INFORMATION MANAGEMENT OF DYKE ENGINEERING

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

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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

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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 https://doi.org/10.11988/ckyyb.20190871

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