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GeoRes 2020, 35(2): 177-187 Back to browse issues page
Geomorphological Monitoring of Bushehr Port Coastline
Afshin Sotoudehpour1, Aghil Madadi *2, Sayyad Asghari Saraskanrood1
1- Department of Physical Geography ,Faculty of Litereture and Humanities, Mohaghegh Ardabili University,Ardabil,Iran
2- Department of Physical Geography ,Faculty of Litereture and Humanities, Mohaghegh Ardabili University,Ardabil,Iran , a_madadi@uma.ac,ir
Abstract:   (1858 Views)

Aims & Backgrounds: The purpose of this research was to analyze the coastline changes, sedimentation, and erosion in Bushehr coastline using TM, ETM+, OLI from 1976 to 2018.
Methodology: This is an applied case study that used satellite imagery, geological maps, and meteorological information as well as field observations. Pre-processing, processing, and visualization of satellite images were done using ENVI5.3 software. The images were classified using the supervised classification method and the maximum likelihood algorithm. Finally, the changes detected was analyzed. To determine the hydraulic and hydrostatic specification of the study area, the coefficient of curvature index was used.
Findings: Results showed the maximum length of the coastline was 200 kilometers in 2018 while it was 122 kilometers in 1976. The length of the coastline has increased during all study periods. Human activities have played the most important role in coastal change. Some structures and installations have caused an imbalance between erosion and sedimentation, which made changes in width and length of the coast in some parts of canals, and Khor. For the quantitative analysis of coastline change, the coefficient of curvature index was used to compare the studied years.
Conclusion: Results of the research showed that most of the changes have been coastline retreat. Increasing the number of arches in the range of more than 2 (curvature coefficient) in 1986, 2018, and 2018 indicates a non-equilibrium which is a consequence of human activities as well as natural factors. Increasing sea level as a result of this region’s gentle slop and human interference may cause serious challenges and environmental threats.

Keywords: Bushehr Port, Coastline Changes, Remote Sensing, Coefficient of Curvature
Full-Text [PDF 1278 kb]   (794 Downloads)    
Article Type: Original Research | Subject: Geomorphology
Received: 2020/01/22 | Accepted: 2020/05/7 | Published: 2020/05/22
English Expanded Abstract [HTML 20 KB]  (13 Download)
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Sotoudehpour A, Madadi A, Asghari Saraskanrood S. Geomorphological Monitoring of Bushehr Port Coastline. GeoRes. 2020; 35 (2) :177-187
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