干旱区生态环境知识资源中心(Arid): Flood hazard areas assessment at a regional scale in M'zi wadi basin, Algeria

Arid

DOI	10.1016/j.jafrearsci.2021.104281
	Flood hazard areas assessment at a regional scale in M'zi wadi basin, Algeria
	Hamlat, Abdelkader; Kadri, Chadli Bendjedid; Guidoum, Azeddine; Bekkaye, Hadda
通讯作者	Hamlat, A (corresponding author), Amar Telidji Univ, Dept Civil Engn, Res Lab Water Resources Soil & Environm, POB 37-G, Laghouat 03000, Algeria.
来源期刊	JOURNAL OF AFRICAN EARTH SCIENCES
ISSN	1464-343X
EISSN	1879-1956
出版年	2021
卷号	182
英文摘要	Located in the semi-arid areas of Algeria, M'zi wadi basin experienced severe floods that pose a potent threat to the present day. In order to reduce and mitigate flood damage there is a need to develop tools for effective flood hazard management at basin scale, the paper aims to mapping of flood hazard potential areas in M'zi wadi basin, using Analytic Hierarchy Process (AHP) approach coupled with Geographic Information System (GIS), based on several parameters that are relevant to flood hazard which has been weighted depending to their contributions. The Rainfall-Runoff-Inundation (RRI) model was also used in this study to understanding the hydrological behavior of M'zi wadi basin and to evaluate the efficiency of structural measures in downstream areas of basin. The results show a reasonable agreement with the inundated areas detected by Sentinel-2 imagery. The result of the flooding hazard in M'zi wadi basin reveals that 3%, 0.84%, 67%, 29%, and 0.16% of the catchment is high, very high, moderate, low, and very low flooding hazard areas respectively. The results show also that urban areas and agricultural areas surrounding of the lower portion of M'zi wadi are extremely exposed to flooding. The RRI model simulation results shows that the new dam -under construction-can reduce the magnitude of peak storm runoff only by 7%, and the widening of wadi near to outlet of basin can help to reduce the water level at this segment by 22% compared with results of simulation of naturalized conditions. Flood hazard areas assessment at M'zi wadi basin level can be used by concerned government's department as an excellent supporter of decision-makers during extreme and intense rainfall events in making floodplain management decisions.
英文关键词	Analytic hierarchy process Flood susceptibility Hazard assessment Geography information system M'zi wadi Rainfall-runoff-inundation model
类型	Article
语种	英语
收录类别	SCI-E ; SSCI
WOS记录号	WOS:000680865600002
WOS关键词	ANALYTIC HIERARCHY PROCESS ; INUNDATION RRI MODEL ; RAINFALL ; RUNOFF ; RISK ; MANAGEMENT ; CATCHMENT ; HYDROLOGY ; PROVINCE
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/363705
作者单位	[Hamlat, Abdelkader; Kadri, Chadli Bendjedid; Guidoum, Azeddine; Bekkaye, Hadda] Amar Telidji Univ, Dept Civil Engn, Res Lab Water Resources Soil & Environm, POB 37-G, Laghouat 03000, Algeria
推荐引用方式 GB/T 7714	Hamlat, Abdelkader,Kadri, Chadli Bendjedid,Guidoum, Azeddine,et al. Flood hazard areas assessment at a regional scale in M'zi wadi basin, Algeria[J],2021,182.
APA	Hamlat, Abdelkader,Kadri, Chadli Bendjedid,Guidoum, Azeddine,&Bekkaye, Hadda.(2021).Flood hazard areas assessment at a regional scale in M'zi wadi basin, Algeria.JOURNAL OF AFRICAN EARTH SCIENCES,182.
MLA	Hamlat, Abdelkader,et al."Flood hazard areas assessment at a regional scale in M'zi wadi basin, Algeria".JOURNAL OF AFRICAN EARTH SCIENCES 182(2021).