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Using differential SAR interferometry to map land subsidence: a case study in the Pingtung Plain of SW Taiwan

Author

Listed:
  • Chia-Sheng Hsieh
  • Tian-Yuan Shih
  • Jyr-Ching Hu
  • Hsin Tung
  • Mong-Han Huang
  • Jacques Angelier

Abstract

Synthetic aperture radar (SAR) interferometry (InSAR) is a geodetic tool widely applied in the studies of earth-surface deformation. This technique has the benefits of high spatial resolution and centimetre-scale accuracy. Differential SAR interferometry (DInSAR) is used to measure ground deformation with repeat-pass SAR images. This study applied DInSAR and persistent scatterers InSAR (PSInSAR) for detecting land subsidence in the Pingtung Plain, southern Taiwan, between 1995 and 2000. In recent years, serious land subsidence occurred along coastal regions of Taiwan as a consequence of over-pumping of underground water. Results of this study revealed that the critical subsidence region is located on the coast near the estuary of Linpien River. It is also found that subsidence was significantly higher during the dry season than the wet season. The maximum annual subsidence rate of the dry season is up to −11.51 cm/year in critical subsidence region and the vertical land movement rate is much slower during the wet season. The average subsidence rates in wet and dry seasons are −0.31 and −3.37 cm/year, respectively. As a result, the subsidence rate in dry seasons is about 3 cm larger than in wet seasons. Copyright Springer Science+Business Media B.V. 2011

Suggested Citation

  • Chia-Sheng Hsieh & Tian-Yuan Shih & Jyr-Ching Hu & Hsin Tung & Mong-Han Huang & Jacques Angelier, 2011. "Using differential SAR interferometry to map land subsidence: a case study in the Pingtung Plain of SW Taiwan," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 58(3), pages 1311-1332, September.
    • Handle: RePEc:spr:nathaz:v:58:y:2011:i:3:p:1311-1332
    DOI: 10.1007/s11069-011-9734-7
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    References listed on IDEAS

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    1. N. Stevens & G. Wadge, 2004. "Towards Operational Repeat-Pass SAR Interferometry at Active Volcanoes," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 33(1), pages 47-76, September.
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    Citations

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    Cited by:

    1. Guanchen Zhuo & Keren Dai & Huina Huang & Shengpeng Li & Xianlin Shi & Ye Feng & Tao Li & Xiujun Dong & Jin Deng, 2020. "Evaluating Potential Ground Subsidence Geo-Hazard of Xiamen Xiang’an New Airport on Reclaimed Land by SAR Interferometry," Sustainability, MDPI, vol. 12(17), pages 1-17, August.
    2. Hone-Jay Chu, 2018. "Drought Detection of Regional Nonparametric Standardized Groundwater Index," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 32(9), pages 3119-3134, July.
    3. Huafeng Xu & Bin Liu & Zhigeng Fang, 2014. "New grey prediction model and its application in forecasting land subsidence in coal mine," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 71(2), pages 1181-1194, March.
    4. Dayang Xuan & Jialin Xu, 2014. "Grout injection into bed separation to control surface subsidence during longwall mining under villages: case study of Liudian coal mine, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 73(2), pages 883-906, September.
    5. Bijuan Huang & Longcang Shu & Y. Yang, 2012. "Groundwater Overexploitation Causing Land Subsidence: Hazard Risk Assessment Using Field Observation and Spatial Modelling," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 26(14), pages 4225-4239, November.

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