The Extraction of Flood Potential of Simineh River Basin Applying Satellite Images, Topographic Wetness Index and Morphological Features

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Yousefzadeh Ardashir; ZEYNALI BATOL; VALIZADEH KAMRAN KHALIL; asghari Saraskanrood Sayyad

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Journal: Geography and Environmental Sustainability Year:2019 | Volume:9 | Issue:32 Page(s): 49-61

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Title

The Extraction of Flood Potential of Simineh River Basin Applying Satellite Images, Topographic Wetness Index and Morphological Features

Author(s)

Yousefzadeh Ardashir | ZEYNALI BATOL | VALIZADEH KAMRAN KHALIL | asghari Saraskanrood Sayyad | Issue Writer Certificate

Keywords

Simineh CatchmentQ1

FloodQ2

Digital Elevation ModelQ2

Landsat8 and Topographic Wetness IndexQ1

Abstract

Identifying Flood-prone areas is one of the essential strategies in planning to mitigate the damaging effects of Floods. In this study, topographic and morphological indices were used to investigate Flooding. Due to the effect of hydrogeomorphic features on Flooding, these features were extracted by ARCGIS software and watershed modeling system with the help of Digital Elevation Model and topography layers. Due to lack of accurate field data and incidence of soil moisture, vegetation layer and precipitation statistics from remote sensing facilities, soil moisture and precipitation were extracted. In order to control and compare the information extracted from precipitation satellite images dated December 03, 2016, it was selected as a Flood sample. Due to the importance of topographic moisture index to describe soil moisture conditions and estimation of physical and hydrological characteristics, this index was used and the output map was classified according to the area. To illustrate Flood-prone areas, a hybrid model was used in which the soil surface moisture layers (optical trapezoidal model was extracted from Landsat 8 images), vegetation, precipitation and topographic moisture index were applied. After mapping the maps and weighting, the layers were merged into GIS environment and the Flood potential map of the basin was extracted and the basin was Flooded with five Flood susceptibility ranges, moderate Floods, partly Floods and Floods, respectively. The Flood was classified. According to the extraction map and analysis, out of 3279 km2, about 81. 6 km2 (2. 5%) were susceptible to Flood and 1. 9% of the area with moderate risk of Flood was identified. Most Flood prone areas are located in the central plain and the north of the basin in the flat marginal lands of the Simineh River.

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APA: Copy

Yousefzadeh, Ardashir, ZEYNALI, BATOL, VALIZADEH KAMRAN, KHALIL, & asghari Saraskanrood, Sayyad. (2019). The Extraction of Flood Potential of Simineh River Basin Applying Satellite Images, Topographic Wetness Index and Morphological Features. GEOGRAPHY AND ENVIRONMENTAL SUSTAINABILITY, 9(32 ), 49-61. SID. https://sid.ir/paper/358310/en

Vancouver: Copy

Yousefzadeh Ardashir, ZEYNALI BATOL, VALIZADEH KAMRAN KHALIL, asghari Saraskanrood Sayyad. The Extraction of Flood Potential of Simineh River Basin Applying Satellite Images, Topographic Wetness Index and Morphological Features. GEOGRAPHY AND ENVIRONMENTAL SUSTAINABILITY[Internet]. 2019;9(32 ):49-61. Available from: https://sid.ir/paper/358310/en

IEEE: Copy

Ardashir Yousefzadeh, BATOL ZEYNALI, KHALIL VALIZADEH KAMRAN, and Sayyad asghari Saraskanrood, “The Extraction of Flood Potential of Simineh River Basin Applying Satellite Images, Topographic Wetness Index and Morphological Features,” GEOGRAPHY AND ENVIRONMENTAL SUSTAINABILITY, vol. 9, no. 32 , pp. 49–61, 2019, [Online]. Available: https://sid.ir/paper/358310/en

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