FLOOD HAZARD ASSESSMENT FOR ALIBEYKÖY WATERSHED IN ISTANBUL WITH MIKE NAM AND MIKE 21

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dc.contributor.authorDikici, Mehmet
dc.contributor.authorKazezyilmaz-Alhan, Cevza Melek
dc.contributor.authorGülbaz, Sezar
dc.date.accessioned2026-01-24T12:20:49Z
dc.date.available2026-01-24T12:20:49Z
dc.date.issued2022
dc.departmentAlanya Alaaddin Keykubat Üniversitesi
dc.description.abstractIncrease in flood events due to uncontrolled urbanization, global warming and climate change affects the economy of the countries and causes loss of life and property. Especially, floodplain boundaries have to be defined clearly to prevent new developments in regions under high flood risk. Thus, flood hazard maps play an important role in flood control and urban planning. Alibeyköy Watershed plays a critical role due to the new extensive infrastructure planning in Istanbul, Turkey. Thus, this area is vulnerable to the population growth and urbanization, and needs attention and precaution. In this study, flood hazard map for Alibeyköy Watershed is developed. For this purpose, first, a hydrological model for Alibeyköy Watershed is generated using MIKE Nedbor Afrstromnings Model (NAM). The hydrological model is calibrated by using rainfall, evaporation and flowrate data measured at the field side. Then, the calibrated hydrological model is used to simulate 50 and 100-year flood hydrographs which are used as inputs of the hydraulic models developed for Pirinçci Stream by using MIKE 11 and MIKE 21. Finally, flood depth and flood extent map for 50 and 100-year return periods are obtained with both one-dimensional and two-dimensional hydraulic model simulations under unsteady flow conditions. In addition, capabilities of MIKE 11 and MIKE 21 on flood modelling are also revealed. Results show that particularly Arnavutköy district located along the mid-section of Pirinçci Stream is under high flood risk. Therefore, precautions need to be taken in this region in order to decrease the impacts of possible floods in the future. © 2022 Gheorghe Asachi Technical University of Iasi, Romania. All rights reserved.
dc.description.sponsorshipIstanbul Üniversitesi, (49485); Institute for Bioengineering and Biosciences, iBB
dc.identifier.endpage411
dc.identifier.issn1582-9596
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85132780509
dc.identifier.scopusqualityQ3
dc.identifier.startpage399
dc.identifier.urihttps://hdl.handle.net/20.500.12868/4586
dc.identifier.volume21
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherGheorghe Asachi Technical University of Iasi, Romania
dc.relation.ispartofEnvironmental Engineering and Management Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_Scopus_20260121
dc.subjectAlibeyköy Watershed
dc.subjectflood hazard map
dc.subjecthydrologic-hydraulic model
dc.subjectMIKE 11
dc.subjectMIKE 21
dc.subjectMIKE NAM
dc.titleFLOOD HAZARD ASSESSMENT FOR ALIBEYKÖY WATERSHED IN ISTANBUL WITH MIKE NAM AND MIKE 21
dc.typeArticle

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