Arid
DOI10.1002/hyp.10831
Flood hydrograph reconstruction from the peak flow value in ephemeral streams using a simplified robust single-parameter model
Ronen-Eliraz, G.1; Ginat, H.1; Dody, A.2; Blumberg, D.3; Dahan, O.4
通讯作者Ronen-Eliraz, G.
来源期刊HYDROLOGICAL PROCESSES
ISSN0885-6087
EISSN1099-1085
出版年2016
卷号30期号:17页码:3004-3013
英文摘要

Flood hydrographs from ephemeral streams in arid areas provide valuable information for assessing run-off and groundwater recharge. However, such data are often scarce or incomplete, especially in hyper-arid regions. The hypothesis of this study was that it is possible to reconstruct a hydrograph of a specific point along an ephemeral stream with the knowledge of only the peak flow rate of a flood event at that point and that this can be done at almost every point along the stream. The feasibility of this approach lies in the shape of the recession stage of the flood hydrograph, which is known to be a repeating phenomenon. The recession stage comes immediately after the peak flow rate, when it begins its decline, and lasts until the flood is extinguished. A general shape of the flood recession stage can be provided. Because the recession stage represents similar to 80% of the duration of a flood event, it can provide a general idea of the flood hydrograph’s shape. A simple model based on geometric progression is suggested to describe the repeating recession stage of a flood. The advantage of the proposed model is that it requires only one parameter: the recession characteristic at a fixed point along the ephemeral stream, termed recession coefficient q. By knowing the recession coefficient of a fixed point and the peak flow rate of a flood event at that point, one can plot the flood hydrograph. A good agreement is shown between the observed and computed values of the recession stage. Copyright (c) 2016 John Wiley & Sons, Ltd.


英文关键词ephemeral stream flood peak flow hydrograph reconstruction single-parameter model arid land
类型Article
语种英语
国家Israel
收录类别SCI-E
WOS记录号WOS:000382957700008
WOS关键词NEGEV DESERT ; ARID REGION ; TRANSMISSION LOSSES ; MAJOR FLOODS ; ISRAEL ; RECHARGE ; RUNOFF ; RIVER ; BASIN ; MAGNITUDES
WOS类目Water Resources
WOS研究方向Water Resources
来源机构Ben-Gurion University of the Negev
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/193454
作者单位1.Dead Sea & Arava Sci Ctr, IL-88840 Kibbutz Ketura, Israel;
2.Nucl Res Ctr Negev, Beer Sheva, Israel;
3.Ben Gurion Univ Negev, Dept Geog & Environm Dev, Beer Sheva, Israel;
4.Ben Gurion Univ Negev, Zuckerberg Inst Water Res, IL-84990 Sede Boqer, Israel
推荐引用方式
GB/T 7714
Ronen-Eliraz, G.,Ginat, H.,Dody, A.,et al. Flood hydrograph reconstruction from the peak flow value in ephemeral streams using a simplified robust single-parameter model[J]. Ben-Gurion University of the Negev,2016,30(17):3004-3013.
APA Ronen-Eliraz, G.,Ginat, H.,Dody, A.,Blumberg, D.,&Dahan, O..(2016).Flood hydrograph reconstruction from the peak flow value in ephemeral streams using a simplified robust single-parameter model.HYDROLOGICAL PROCESSES,30(17),3004-3013.
MLA Ronen-Eliraz, G.,et al."Flood hydrograph reconstruction from the peak flow value in ephemeral streams using a simplified robust single-parameter model".HYDROLOGICAL PROCESSES 30.17(2016):3004-3013.
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