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Hydrologic significance of basin morphometries for the and Müftü rivers: A GIS-based analysis

Conference Paper · October 2018

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Ümit Yıldırım Cüneyt Güler Bayburt University University

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CILICIA INTERNATIONAL SYMPOSIUM ON ENGINEERING AND TECHNOLOGY

(CISET)

Proceedings Book

October 26-27, 2018

Mersin University Engineering Faculty

Editor Assist. Prof. Dr. Çiğdem İnan ACI

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Mersin University Publications Issue: 52 ISBN: 978-975-6900-60-4

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Honor Board

Ali İhsan SU Governor of Mersin

Burhanettin KOCAMAZ Mayor of Mersin Metropolitan Municipality

Prof. Dr. Ahmet ÇAMSARI Rector of Mersin University

Organization Committee

Prof. Dr. Ali AKDAĞLI Symposium Chairman

Prof. Dr. Halil KUMBUR Prof. Dr. Ayla ÖZER Prof. Dr. Ali ÜNYAYAR Prof. Dr. Cahit BİLİM Prof. Dr. H. İbrahim EKİZ Prof. Dr. Kemal TASLI Prof. Dr. Murat YAKAR Prof. Dr. Sedat SAYAR Prof. Dr. Hamza EROL Prof. Dr. Mustafa TAŞKIN Prof. Dr. Erol ÖZER Assoc. Prof. Dr. Alkan ALKAYA Assoc. Prof. Dr. Hüseyin ŞEVİK Assist. Prof. Dr. Gökhan ARSLAN Assist. Prof. Dr. Berat Barış BULDUM

Executive Committee

Prof. Dr. Hamza EROL Chairman

Prof. Dr. Nüzhet İkbal TÜRKER Prof. Dr. Cüneyt GÜLER Prof. Dr. Murat YAKAR Assoc. Prof. Özgür Lütfi ERTUĞRUL Assist. Prof. Dr. Salih AKSAY Assist. Prof. Dr. Filiz KARAÖMERLİOĞLU Assist. Prof. Dr. Çiğdem İnan ACI Assist. Prof. Dr. Hüdaverdi ARSLAN Assist. Prof. Dr. Mehmet Ali KURT Assist. Prof. Dr. Ömer GÜLER Assist. Prof. Dr. İskender ÖZKUL

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Rsc.Asst. Gülden GÖKŞEN Rsc.Asst. Burhan BAYHAN Rsc.Asst. Gökhan YÜKSEK Rsc.Asst. Ceyhun AKARSU Rsc.Asst. Ahmet GÜNGÖR Rsc.Asst. Ayten ÇAPUTÇU Rsc.Asst. Aziz Rahman AYLAK Rsc.Asst. Seher Serin KARAYİYEN Rsc.Asst. Ümit YILDIRIM Rsc.Asst. Hasan ATEŞ Rsc.Asst. Öyküm BAŞGÖZ Rsc.Asst. Yasin ÖZAY Rsc.Asst. Ezgi Bezirhan Expert Şehzat AÇIKGÖZ Seyfettin ATAR Oğuz Akar TÜLÜCÜ Yusuf DEĞİRMENCİ Erkan DEMİR Cevdet Günal TÜZÜN Zehra KORKMAZ İbrahim DOĞAN

Symposium Website Admins

Assoc. Prof. Dr. Erdinç AVAROĞLU Engineer Mehmet Haluk SEÇİLMİŞ Engineer Veli YILDIZ

Scientific Committee Secretary

Assoc. Prof. Dr.Erdinç AVAROĞLU Rsc.Asst. Ayşe Gül YAMAN Rsc.Asst. Deniz UZUNOĞLU Rsc.Asst. Cenk ÖZDEMİR Lecturer Sibel KAPLAN

Symposium Secretary

Gülay ÖZKAN Nida DEMİRTAŞ

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Cilicia International Symposium on Engineering and Technology (CISET2018) Mersin University Engineering Faculty, 26-27 October 2018, Mersin, TURKEY

HYDROLOGIC SIGNIFICANCE OF BASIN MORPHOMETRIES FOR THE MEZITLI AND MUFTU RIVERS: A GIS-BASED ANALYSIS

Ümit Yıldırım *1, Cüneyt Güler 2 and Mehmet Ali Kurt 3

1 Mersin University, Engineering Faculty, Department of Geological Engineering, 33343 Mersin, Turkey ([email protected])

2 Mersin University, Engineering Faculty, Department of Geological Engineering, 33343 Mersin, Turkey ([email protected])

3 Mersin University, Engineering Faculty, Department of Environmental Engineering, 33343 Mersin, Turkey ([email protected])

ABSTRACT Mezitli and Müftü rivers are two major perennial rivers flowing through the center of Mersin and discharging into the from the . In this study, morphometric analyzes of basins of these rivers were carried out using Geographic Information System (GIS) techniques in order to determine their flooding potentials. In morphometric analyzes, the parameters most affected from hydrometeorological and geological factors (e.g., drainage density and stream frequency) and the hypsometric integral describing the geomorphologic developmental stage of the basin, were selected. GIS-based calculations shown that the areas covered by the Mezitli and Müftü basins are 168.71 km2 and 468.64 km2, respectively. Results of the morphometric analyzes revealed that drainage densities are 2.23 and 1.66, stream frequency values are 3.04 and 1.81, and hypsometric integral values are 0.41 and 0.59 for the Mezitli and Müftü basins, respectively. The basins with low drainage density and stream frequency values generally present slow surface flows and have low flooding potentials, compared to the basins with high drainage density and stream frequency values, which have a higher probability of flooding. When the drainage density and stream frequency values of the basins in the study area are examined, it is found that the probability of flooding in the Mezitli basin is much higher than the Müftü basin. Considering the hypsometric integral values of the basins, it is seen that the Müftü basin is in the youth phase and very sensitive to erosion, and the Mezitli basin is in the equilibrium phase and erosional processes are relatively slow.

Keywords: Müftü River, Mezitli River, Morphometric Analysis, Geographic Information System, Mersin.

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