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Monitoring of the changes in the Taleqan dam’s body by using InSAR

    Author

    • Mehrnoosh Ghadimi

    Faculty of Geography, University of Tehran

,

Document Type : Research Paper

10.22059/jrwm.2019.287262.1409
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Abstract

Given the time/cost inefficient nature of land mapping for monitoring of the changes in the earth dams’ body across the world, the Radar Interferometry is introduced here as a modern alternative method. In this study, to investigate the changes in the Taleqan dam’s body, we employed the GMTSAR software and processed 68 Sentinell- A images taken in the time period of 2014-2018. Additionally, utilizing the radar interferometry in the short range, the time series was determined. The time series results implied that the maximum dam subsidence is 3 mm/y along the line of sight. To justify the changes in the Taleqan dam’s body, some studies were carried out on the rip rap of the dam’s body. The obtained results implied that the changes have been caused by erosion and weathering. Due to undesired diffusion coefficient and low resistance of the stones with external volcanic and reolithic structure, such material collapsed under the influence of atmospheric and temperature factors, leading to displacement in the downstream. The performed investigations implied capability of the radar interferometry in monitoring of the earth dams and critical structures and providing information that can play a vital role in analysis of the dams’ behavior and completion of the precise tools measurements.

Keywords

  • InSAR
  • Taleqan dam
  • SBAS
  • GMTSAR
  • Sentinel1-A
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    • Article View: 184
    • PDF Download: 160
Journal of Range and Watershed Managment
Volume 72, Issue 3
December 2019
Pages 819-829
Files
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  • PDF 2.13 M
History
  • Receive Date: 19 August 2019
  • Revise Date: 10 December 2019
  • Accept Date: 29 September 2019
  • First Publish Date: 22 November 2019
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How to cite
  • RIS
  • EndNote
  • Mendeley
  • BibTeX
  • APA
  • MLA
  • HARVARD
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Statistics
  • Article View: 184
  • PDF Download: 160

APA

Ghadimi, M. (2019). Monitoring of the changes in the Taleqan dam’s body by using InSAR. Journal of Range and Watershed Managment, 72(3), 819-829. doi: 10.22059/jrwm.2019.287262.1409

MLA

Mehrnoosh Ghadimi. "Monitoring of the changes in the Taleqan dam’s body by using InSAR". Journal of Range and Watershed Managment, 72, 3, 2019, 819-829. doi: 10.22059/jrwm.2019.287262.1409

HARVARD

Ghadimi, M. (2019). 'Monitoring of the changes in the Taleqan dam’s body by using InSAR', Journal of Range and Watershed Managment, 72(3), pp. 819-829. doi: 10.22059/jrwm.2019.287262.1409

VANCOUVER

Ghadimi, M. Monitoring of the changes in the Taleqan dam’s body by using InSAR. Journal of Range and Watershed Managment, 2019; 72(3): 819-829. doi: 10.22059/jrwm.2019.287262.1409

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