Flood Zoning and Assessment of Surface Runoff Channels Efficientcy in Bandar-Abbas Urban Watershed

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Saremi N.; BAZRAFSHAN O.; ESMAEILPOR Y.; SOURI M.

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Paper Information

Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2018 | Volume:12 | Issue:42 Page(s): 42-51

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Title

Flood Zoning and Assessment of Surface Runoff Channels Efficientcy in Bandar-Abbas Urban Watershed

Author(s)

Saremi N. | BAZRAFSHAN O. | ESMAEILPOR Y. | SOURI M. | Issue Writer Certificate

Keywords

Urban floodQ2

PROMETEEII techniqueQ1

entropy modelQ1

Krigger methodQ1

Abstract

The main factors in flood damages are the natural drainage pattern changing in urban and suburban areas. The main goal of this research is assessing flood risk; peak flow estimation and efficiency of surface runoff channels in Bandar-Abbas urban watershed and sub basins. For this aim, the digitization of data has been implemented using the GIS which includes drainage density, length of stream, land use type, geology, area and slope. Flood risk ranking was performed by the PROMETEEII model and the peak flow estimated with the Krigger method. Results and outputs show that, according to estimation of peak flow and past experiences, the surface runoff channels, are not able to convey flood more than ten-year return period and if a severe flood occurs, the city suffers a damaging flood. The Result of PROMETEEII shows that, Shilat and Sooro subbasins are the highest and lowest risk flood, respectively. Also, the most important criteria in flood risk are the length of stream and drainage density. Therefore, efficient mitigation measures are needed to reduce the flooding in urban watershed and improvement of channel system.

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APA: Copy

Saremi, N., BAZRAFSHAN, O., ESMAEILPOR, Y., & SOURI, M.. (2018). Flood Zoning and Assessment of Surface Runoff Channels Efficientcy in Bandar-Abbas Urban Watershed. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 12(42 ), 42-51. SID. https://sid.ir/paper/134745/en

Vancouver: Copy

Saremi N., BAZRAFSHAN O., ESMAEILPOR Y., SOURI M.. Flood Zoning and Assessment of Surface Runoff Channels Efficientcy in Bandar-Abbas Urban Watershed. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2018;12(42 ):42-51. Available from: https://sid.ir/paper/134745/en

IEEE: Copy

N. Saremi, O. BAZRAFSHAN, Y. ESMAEILPOR, and M. SOURI, “Flood Zoning and Assessment of Surface Runoff Channels Efficientcy in Bandar-Abbas Urban Watershed,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 12, no. 42 , pp. 42–51, 2018, [Online]. Available: https://sid.ir/paper/134745/en

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