Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/9609
Title: Predicting flood plain inundation for natural channels having no upstream gauged stations
Authors: Kaya, C. Melisa
Tayfur, Gökmen
Güngör, Oğuz
Keywords: Flood modelling
GIS
HEC-RAS
Hydrograph generation
Reverse routing
Issue Date: Jul-2019
Publisher: IWA Publishing
Abstract: Flow hydrographs are one of the most important key elements for flood modelling. They are recorded as time series; however, they are not available in most developing countries due to lack of gauged stations. This study presents a flood modelling method for rivers having no upstream gauged stations. The modelling procedure involves three steps: (1) predicting upstream hydrograph by the reverse flood routing method which requires information about channel geometric characteristics, downstream flow stage and downstream flow hydrographs; (2) modelling flood wave spreading using HEC-RAS. The hydrograph predicted by the reverse flood routing in the first step becomes an inflow for the HEC-RAS model; (3) delineating the flood-risk areas by overlapping the Geographical Information System (GIS)-based flood maps produced by the HEC-RAS to the related orthophoto images. The developed model is applied to Guneysu Basin in Rize Province in Eastern Black Sea Region of Turkey. The model-produced flood map is compared to the observed one with success.
URI: https://doi.org/10.2166/wcc.2017.307
https://hdl.handle.net/11147/9609
ISSN: 2040-2244
2040-2244
Appears in Collections:Civil Engineering / İnşaat Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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