Determination of Flood Extend Using OLI Data (Case Study: Dezful 2016 Flood)

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TORAHI ALIASGHAR; Hasani Moghaddam Hasan

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Journal: JOURNAL OF ENVIRONMENT AND WATER ENGINEERING Year:2019 | Volume:5 | Issue:1 Page(s): 24-35

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Title

Determination of Flood Extend Using OLI Data (Case Study: Dezful 2016 Flood)

Author(s)

TORAHI ALIASGHAR | Hasani Moghaddam Hasan | Issue Writer Certificate

Keywords

Agricultural lands

Jeffries Matusita Index

PCA

Support Vector Machine Algorithm

Abstract

Among the various natural hazards, floods may be considered as the most devastating factor that inflicts great damage on human societies. Therefore, the importance of estimating flood damage and its scope in planning to reduce damages and determine points with high risk is very important. The aim of this study is to determine the extent of flood hazard using OLI satellite data. For this reason, a window of OLI satellite images of Landsat 8 was acquired before and after the Dezful flood of April 25, 2016. First, preprocessing operations include radiometric and atmospheric corrections of images were done, and the principal component analysis was then used to reduce the correlation of the data. Data processing was performed using a Support Vector Machine Algorithm with linear and polynomial kernels. In order to train the Support Vector Machine Algorithm, training samples for each class (agricultural land, flood extent, water resources, settlement areas, and recreational areas along the river boundary) were harvested at the user level. In order to evaluate the similarity of the classes and the degree of correlation between the samples, the quantitative assessment method of the Jeffries Matusita was performed. The results showed that the flood area was 11593. 26 ha, the highest damage was due to agricultural land with a destruction of 8467. 45 ha and recreational and tourist areas along the riverbank with a destruction of 2659. 14 ha.

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APA: Copy

TORAHI, ALIASGHAR, & Hasani Moghaddam, Hasan. (2019). Determination of Flood Extend Using OLI Data (Case Study: Dezful 2016 Flood). JOURNAL OF ENVIRONMENT AND WATER ENGINEERING, 5(1 ), 24-35. SID. https://sid.ir/paper/268785/en

Vancouver: Copy

TORAHI ALIASGHAR, Hasani Moghaddam Hasan. Determination of Flood Extend Using OLI Data (Case Study: Dezful 2016 Flood). JOURNAL OF ENVIRONMENT AND WATER ENGINEERING[Internet]. 2019;5(1 ):24-35. Available from: https://sid.ir/paper/268785/en

IEEE: Copy

ALIASGHAR TORAHI, and Hasan Hasani Moghaddam, “Determination of Flood Extend Using OLI Data (Case Study: Dezful 2016 Flood),” JOURNAL OF ENVIRONMENT AND WATER ENGINEERING, vol. 5, no. 1 , pp. 24–35, 2019, [Online]. Available: https://sid.ir/paper/268785/en

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