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@ARTICLE{KhoshBinGhomash:910791,
author = {Khosh Bin Ghomash, Shahin and Bachmann, Daniel and
Caviedes-Voullième, Daniel and Hinz, Christoph},
title = {{I}mpact of {R}ainfall {M}ovement on {F}lash {F}lood
{R}esponse: {A} {S}ynthetic {S}tudy of a {S}emi-{A}rid
{M}ountainous {C}atchment},
journal = {Water},
volume = {14},
number = {12},
issn = {2073-4441},
address = {Basel},
publisher = {MDPI},
reportid = {FZJ-2022-04143},
pages = {1844 -},
year = {2022},
abstract = {Rainfall is a spatiotemporally varied process and key to
accurately capturing catchment runoff and determining flood
response. Flash flood response of a catchment can be
strongly governed by a rainfall’s spatiotemporal
variability and is influenced by storm movement which drives
a continuous spatiotemporal change throughout a rainfall
event. In this work, the sensitivity of runoff and flooded
areas to rainfall movement are assessed in the Kan catchment
(Iran). The allochthonous nature of floods in the catchment
and how they interact with the effects of rainfall movement
are investigated. Fifty synthetic rain hyetographs are
generated and traversed over the catchment under different
velocities and directions and used to force a 1D/2D
hydrodynamic model. The results suggest rainfall movement
affects the runoff response in different degrees. Peak
discharge, hydrograph shapes and flooded areas are affected.
Storms with higher velocities result in higher peaks and
faster onsets of runoff and consequently higher flooded
areas in comparison to slower storms. The direction of the
movement also plays a role. Storms moving along the average
direction of the stream result in higher peaks and flooded
areas. The relevance of storm direction is greater for slow
moving storms. Additionally, the influence of rainfall
movement is modulated by hyetograph structure, and the
allochthonous behavior is greatly dependent on the location
within the drainage network at which it is assessed.},
cin = {IBG-3 / JSC},
ddc = {690},
cid = {I:(DE-Juel1)IBG-3-20101118 / I:(DE-Juel1)JSC-20090406},
pnm = {2173 - Agro-biogeosystems: controls, feedbacks and impact
(POF4-217)},
pid = {G:(DE-HGF)POF4-2173},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000815938500001},
doi = {10.3390/w14121844},
url = {https://juser.fz-juelich.de/record/910791},
}