globalchange  > 气候变化与战略
DOI: 10.5194/hess-22-5317-2018
论文题名:
Using a multi-hypothesis framework to improve the understanding of flow dynamics during flash floods
作者: Douinot A.; Roux H.; Garambois P.-A.; Dartus D.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2018
卷: 22, 期:10
起始页码: 5317
结束页码: 5340
语种: 英语
Scopus关键词: Floods ; Runoff ; Drainage networks ; In-situ observations ; Mediterranean areas ; Multi-hypothesis ; Multiple working hypothesis ; Preferential pathways ; Process oriented models ; Spatial descriptions ; Catchments
英文摘要: A method of multiple working hypotheses was applied to a range of catchments in the Mediterranean area to analyse different types of possible flow dynamics in soils during flash flood events. The distributed, process-oriented model, MARINE, was used to test several representations of subsurface flows, including flows at depth in fractured bedrock and flows through preferential pathways in macropores. Results showed the contrasting performances of the submitted models, revealing different hydrological behaviours among the catchment set. The benchmark study offered a characterisation of the catchments' reactivity through the description of the hydrograph formation. The quantification of the different flow processes (surface and intra-soil flows) was consistent with the scarce in situ observations, but it remains uncertain as a result of an equifinality issue. The spatial description of the simulated flows over the catchments, made available by the model, enabled the identification of counterbalancing effects between internal flow processes, including the compensation for the water transit time in the hillslopes and in the drainage network. New insights are finally proposed in the form of setting up strategic monitoring and calibration constraints. © Author(s) 2018.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163169
Appears in Collections:气候变化与战略

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作者单位: Douinot, A., Institut de Mécanique des Fluides de Toulouse (IMFT), University of Toulouse, CNRS, Toulouse, France; Roux, H., Institut de Mécanique des Fluides de Toulouse (IMFT), University of Toulouse, CNRS, Toulouse, France; Garambois, P.-A., Laboratoire des Sciences de l'Ingénieur, De l'Informatique et de l'Imagerie (ICUBE), INSA Strasbourg, Strasbourg, France; Dartus, D., Institut de Mécanique des Fluides de Toulouse (IMFT), University of Toulouse, CNRS, Toulouse, France

Recommended Citation:
Douinot A.,Roux H.,Garambois P.-A.,et al. Using a multi-hypothesis framework to improve the understanding of flow dynamics during flash floods[J]. Hydrology and Earth System Sciences,2018-01-01,22(10)
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