Evaluation of subsidence rate of Hamadan-Bahar plain using SBAS time series method

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Ganjaeian Hamid; GHASEMI AFSHAN; Ebrahimi Atrin; Asadpour Zahra

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Journal: ARID REGIONS GEOGRAPHIC STUDIES Year:2019 | Volume:9 | Issue:36 Page(s): 62-73

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Title

Evaluation of subsidence rate of Hamadan-Bahar plain using SBAS time series method

Author(s)

Ganjaeian Hamid | GHASEMI AFSHAN | Ebrahimi Atrin | Asadpour Zahra | Issue Writer Certificate

Keywords

subsidenceQ1

Hamadan-Bahar plainQ1

SBASQ1

Abstract

The Hamedan-Bahar plain has experienced a severe drop in groundwater levels during recent salinities, which has caused the region to be exposed to subsidence hazards. Accordingly, in this study firstly, using groundwater level information in the study area, the groundwater level in the study area was evaluated using 5 piezometers in the study area. Then, using the Sentinel 1 satellite imagery (2016/01/11 to 2017/12/19) and the SBAS time series method, the vertical displacement of the region is evaluated. Groundwater assessment results indicate that the range of studies in recent years has seen an increasing trend in groundwater levels, with water levels in some wells reaching up to 2 m / year, which has caused There has been a sharp drop in water levels in that area. Also, the results of the evaluation of the displacement rate of the area indicate that this area has been subsidence by 133/2 mm over the 2 year period. In addition, the results of correlation between annual water level decline and area subsidence indicate that there is a direct relationship between water level decline and area subsidence and the correlation coefficient of. /94 percent.

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APA: Copy

Ganjaeian, Hamid, GHASEMI, AFSHAN, Ebrahimi, Atrin, & Asadpour, Zahra. (2019). Evaluation of subsidence rate of Hamadan-Bahar plain using SBAS time series method. ARID REGIONS GEOGRAPHIC STUDIES, 9(36 ), 62-73. SID. https://sid.ir/paper/384679/en

Vancouver: Copy

Ganjaeian Hamid, GHASEMI AFSHAN, Ebrahimi Atrin, Asadpour Zahra. Evaluation of subsidence rate of Hamadan-Bahar plain using SBAS time series method. ARID REGIONS GEOGRAPHIC STUDIES[Internet]. 2019;9(36 ):62-73. Available from: https://sid.ir/paper/384679/en

IEEE: Copy

Hamid Ganjaeian, AFSHAN GHASEMI, Atrin Ebrahimi, and Zahra Asadpour, “Evaluation of subsidence rate of Hamadan-Bahar plain using SBAS time series method,” ARID REGIONS GEOGRAPHIC STUDIES, vol. 9, no. 36 , pp. 62–73, 2019, [Online]. Available: https://sid.ir/paper/384679/en

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