Detecting shoreline changes in Chabahar Bay by processing satellite images

Document Type : Article

Authors

1 Department of Civil and Environmental Engineering, Faculty of Engineering, Shiraz University, Shiraz, Iran.

2 Department of Civil and Architectural Engineering, the Royal Institute of Technology, KTH, Sweden

Abstract

Monitoring coastal areas is an important parameter in the sustainable development and protection of the environment. The expansion of constructions in Iran's southern coasts has not only led to the destruction of geomorphological landforms, but has also changed the process of erosion and sedimentation in coastal areas. Nowadays, remote sensing data are considered as the most ecient source of information for the study and
interpretation of coastal landforms, tidal levels, changes in coastline, depth of water, and so forth. The purpose of this study is to investigate the changes in the coastline of Chabahar Gulf, located on the coasts of the Oman Sea by using remote sensing techniques. This study examined and interpreted qualitative and quantitative changes of the coastlines in a forty-two-year period. Di erent supervised classi cation methods were used from which the most accurate one was ultimately chosen. The classi ed images were divided into two
classes of land and water, and the changes of these two classes between 1972 and 2014 were extracted. The net change results indicate that in the forty-two-year period, 1,832,436 m2 of the land has been added to water class, and 7,004,844 m2 of water has been added to land.

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Scientia Iranica
Volume 24, Issue 4
Transactions on Civil Engineering (A)
July and August 2017
Pages 1802-1809

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