Production of Landslide Susceptibility Map of Samsun Province Center

Abstract

Due to the increased need for housing, Samsun province center were quickly opened construction in the last 25 years. Because of the population growth, construction progressed towards to the southern hillside of the city. Large amount of landslides observed and classified in this region by the relevant institutions. To prevent the life and property losses, it is required to evaluate pre-determined landslides and to determine probable landslide areas in the construction regions. Therefore, this study aims to create a landslide susceptibility map of Samsun province center. Frequency Ratio Method which is widely used in the literature has been used in the creation of landslide susceptibility map. The geological formation of the region, altitude, slope, aspect, curvature, plan and profile curvature, road and stream distance parameters have been considered in the landslide susceptibility evaluation.

Keywords

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Samsun İl Merkezinin Heyelan Duyarlılık Haritasının Üretilmesi

Öz

Samsun il merkezi, son 25 yılda konut ihtiyacının artması nedeniyle hızla yapılasmaya açılmıstır. Nüfus artısının etkisiyle yapılasma, kentin güney sırtlarına dogru ilerlemistir. Bu bölgede, ilgili kamu kurumlarının gözlemledigi ve sınıflandırdıgı çok sayıda heyelan mevcuttur. Can ve mal kayıplarının önüne geçmek için yapılasmaya açılan bölgelerde önceden saptanmıs heyelanların yeniden degerlendirilmesi ve olası heyelan alanlarının tespit edilmesi gerekmektedir. Bu nedenle çalısmada, Samsun il merkezinin heyelan duyarlılık haritasının üretilmesi amaçlanmıstır. Duyarlılık haritasının üretilmesinde, literatürde yaygın olarak kullanıldıgı tespit edilen Frekans Oranı metodu kullanılmıstır. Degerlendirmelerde bölgeye ait jeolojik formasyon, yükseklik, egim, bakı, egrilik, plan ve profil egriligi, yola ve akarsuya yakınlık parametreleri dikkate alınmıstır.

Anahtar Kelimeler

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Kaynakça

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