干旱区生态环境知识资源中心(Arid): Advanced remote sensing techniques in flash flood delineation in Tabuk City, Saudi Arabia

Arid

DOI	10.1007/s11069-020-04135-0
	Advanced remote sensing techniques in flash flood delineation in Tabuk City, Saudi Arabia
	Elhag, Mohamed; Abdurahman, Shemsu G.
通讯作者	Elhag, M
来源期刊	NATURAL HAZARDS
ISSN	0921-030X
EISSN	1573-0840
出版年	2020
卷号	103 期号:3 页码:3401-3413
英文摘要	Flash floods have been the most frequent, extensive, and dangerous type of worldwide natural crisis. Mountainous, urbanized, and arid land areas like Tabuk region of Saudi Arabia are highly vulnerable to flooding due to heavy and sudden rainstorms that affected the people, infrastructures, and ecological and biophysical environment. Immediately following such a disaster event, advanced techniques are very essential to delineate and assess the damage resulted from successful rescue and relief operations. In this article, the European Space Agency (ESA) freely accessed images were conducted from the earth observation synthetic aperture radar (SAR) sensor, the images were successfully practiced to delineate the deadly flood crisis took place in Tabuk City in January 2019. The Sentinel Application Platform for Sentinel-1 Toolbox (S1TBX) is used to support the display and analysis of the large archive of products from the ESA SAR mission. Level-1 ground range detected with high resolution of 20 m x 22 m image at 2019/01/30 T15:39:44 acquired and processed. A backscatter value of - 22.39 dub is selected to separate water from everything else. Only region of interest mask pixels are considered for the histogram analysis. Accordingly, the maximum threshold error is set to 0.255. RGB map created a binary mask of flooded, and non-flooded pixels show that a significant part of the area was in danger. The findings of the current methodology quantify the flooded surface area by almost 9 km(2)covers mainly the agricultural practices and the urban areas of the city of Tabuk. This study recommends that the future master plan of the Tabuk area should consider similar flooding risks. Finally, most arid lands like Tabuk are covered by sand that has similar backscatter as flooded land conditions. Therefore, the influence of this backscatter in flood mapping works should be assessed and exclusion techniques must be included to increase accuracy.
英文关键词	Flood mapping Image processing SNAP toolbox Sentinel-1 Tabuk
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000545051700001
WOS关键词	INTEGRATION ; MANAGEMENT ; HAZARD ; STORMS
WOS类目	Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
WOS研究方向	Geology ; Meteorology & Atmospheric Sciences ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/324914
作者单位	[Elhag, Mohamed; Abdurahman, Shemsu G.] King Abdulaziz Univ, Fac Meteorol Environm & Arid Land Agr, Dept Hydrol & Water Resources Management, Jeddah 21589, Saudi Arabia
推荐引用方式 GB/T 7714	Elhag, Mohamed,Abdurahman, Shemsu G.. Advanced remote sensing techniques in flash flood delineation in Tabuk City, Saudi Arabia[J],2020,103(3):3401-3413.
APA	Elhag, Mohamed,&Abdurahman, Shemsu G..(2020).Advanced remote sensing techniques in flash flood delineation in Tabuk City, Saudi Arabia.NATURAL HAZARDS,103(3),3401-3413.
MLA	Elhag, Mohamed,et al."Advanced remote sensing techniques in flash flood delineation in Tabuk City, Saudi Arabia".NATURAL HAZARDS 103.3(2020):3401-3413.