Volume 1, Number 4 (2012 winter 2012)                   E.E.R. 2012, 1(4): 7-21 | Back to browse issues page


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The Periodic Changes of East Strait of Hormuz shore line by using of Remote Sensing . E.E.R. . 2012; 1 (4) :7-21
URL: http://magazine.hormozgan.ac.ir/article-1-76-en.html

Abstract:   (6722 Views)

One of the sensitive systems in geomorphology is coastal systems in which the change in them is fast due to the collision of two dynamic environments of sea and land.Because Coastal lines can record evidence of geomorphological alterations. Due to several reasons like environment changes, global warming, issues regarding human activities and etc. studies and quantitative measurements from periodical changes can have beneficial effect in environmental management of shores.Remotely sensed data and satellite images periodically are considered as a reliable and concise source for investigation and interpretation of coastal line and also as quantitative measurements. In this study we applied the TM-5 satellite images of 1988 and 2010, in a 22-years schedule to monitor the costal changes in the western of Hormoz, based on maximum likelihood method and then with using quantitative measurements, coastal line changes were analyzed according to pixel points, percentage of changes and changed area amount. Additionally, changes trend in width and coastal line were investigated for two years. To evaluate it in a wider spectrum, four sectional sampling were studied. The result of this study revealed that in 22 years this area have undergone considerable coastal line changes, so that such changes reach to 2.8 kilometers in some part, which may represent the fact that hot line of water in 1988 has had more progression toward beach compared to the 2010 data. Furthermore, considering coastal line changes and 2010∕ 1988 ratio, the level of changed area is 29/320/200 m2, and percentage of changes, 5/6%, of coastal line which was under investigation has been prone to periodical changes.

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Type of Study: Research |
Received: 2014/02/8 | Published: 2014/02/8

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