Ölü Deniz Fay Zonu Yesemek Segmenti’nin Morfometrik Analiz Yöntemleriyle Araştırılması

Yıl 2025, Cilt: 41 Sayı: 1, 370 - 383, 30.04.2025

Musa Balkaya

Öz

Ölü Deniz Fay Zonu’nun (ÖDFZ) Türkiye sınırları içerisindeki segmentlerinden biri olan Yesemek Segmenti, Karasu Havzası’nın doğu kenarını Sakçagöz ile Reyhanlı arasında sınırlayan sol yanal doğrultu atımlı bir faydır. Yaklaşık 110 km uzunluğundaki segment, 3 km genişliğindeki sola sıçramayla birbirinden ayrılan kuzey ve güney bölümlerinden oluşur. Bu çalışmada, Karasu Havzası’nın doğu kesimini kapsayacak şekilde Yesemek Segmenti’nin geçtiği bölgenin morfometrik analizlere dayalı morfotektonik özellikleri ve segmentin davranış biçiminin ortaya çıkarılması amaçlanmıştır. Literatürde Karasu Havzası ve Yesemek Segmenti ile alakalı morfometrik analizlere dayalı herhangi bir morfotektonik çalışmaya rastlanmamıştır. Yapılan bu ilk morfometrik analizler kapsamında, Yesemek Segmenti ile ilişkili dağ önlerinde Dağönü Eğriselliği (Smf); drenaj ağı ve havzaları üzerinde ise Vadi Tabanı Genişliğinin-Vadi Yüksekliğine Oranı (Vf), Asimetri faktörü (AF), Hipsometrik Eğri ve İntegral (HI) ve Akarsu Uzunluk - Gradyan İndisi (SL) hesaplanmıştır. Hesaplamalar neticesinde Yesemek Segmenti’nin Geç Kuvaterner döneminde aktif olduğu, segmentin bölgenin tektonik evriminde ve morfolojik gelişiminde önemli bir rol oynadığı anlaşılmıştır.

Anahtar Kelimeler

Yesemek Segmenti, Morfometrik analiz, Drenaj havzası, Morfotektonik

Investigation of the Yesemek Segment of the Dead Sea Fault Zone Using Morphometric Analysis Methods

Öz

The Yesemek segment, one of the segments of the Dead Sea Fault Zone (DSFZ) within the borders of Turkey, is a left-lateral strike-slip fault that delimits the eastern edge of the Karasu basin between Sakçagöz and Reyhanlı. The segment is about 110 km long and consists of northern and southern sections separated by a 3 km wide left-slip step-over. The aim of this study is to reveal the morphotectonic characteristics based on morphometric analysis of the region through which the Yesemek segment passes, covering the eastern part of the Karasu basin, and the behavior of the segment. No morphotectonic study based on morphometric analysis related to Karasu basin and Yesemek segment has been encountered in the literature. Within the scope of these first morphometric analyses, the mountain front sinuosity (Smf) was calculated in the mountain fronts related to the Yesemek segment. Valley floor width-to-height ratio (Vf), basin asymmetry factor (AF), hypsometric curve and integral (HI), and stream gradient index (SL) were calculated on the drainage network and basins. As a result of the calculations, it was understood that the Yesemek segment was active during the Late Quaternary period and that the segment played an important role in the tectonic evolution and morphological development of the region.

Anahtar Kelimeler

Yesemek Segment, Morphometric analysis, Drainage basin, Morphotectonics

Kaynakça

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