Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/57425
Title: Geomorphological responses of rivers to active tectonics along the Karahayıt Fault, Western Türkiye
Authors: Topal, Savaş
Keywords: Drainage basins
Geomorphic indices
Normalized steepness index (Ksn)
Chi integral (chi)
Morphotectonic features
Karahay & imath;t Fault
Landscape Response
Magnitude
Evolution
Model
Publisher: Science Press
Abstract: Understanding the topography in active tectonic areas and assessing the rates and models of active deformation in the upper crust are primary objectives in tectonic geomorphology studies. The drainage pattern of river systems is highly sensitive to tectonically induced changes, and it often preserves the records of the formation and progression of most tectono-geomorphic processes within its boundaries. Therefore, the evolution of landforms is a consequence of the evolution of individual drainage basins in which they are formed. Assessing the rates of tectonic deformation using geomorphic data is a traditionally adopted method to characterize the nature of active faults. Globally, the Digital Elevation Model (DEM) is widely used as a crucial tool to analyze the morphotectonic features of drainage basins. In this study, some geomorphic indices were applied to investigate the impact of tectonism on landscape along the Karahay & imath;t Fault and its associated drainage areas. These geomorphic indices are mountain front sinuosity (Smf values between 1.17-1.52), valley floor width-to-height ratio (Vf values between 0.25-1.46), basin asymmetry factor (AF values between 15-72), drainage basin shape (Bs values between 3.18-6.01), hypsometric integral and curve (HI values between 0.32-047), channel sinuosity (S values between 1-1.6), normalized steepness index (Ksn values between 1-390) and Chi integral (chi values between 200-4400). The development of drainage areas on the hanging wall and footwall block of the Karahayit Fault differs depending on the uplift. The drainage areas developed on the hanging wall present different patterns depending on the regional uplift caused by the fault. This reveals that the fault contributed significantly to the development of drainage areas and regional uplift in the region. In addition, the maximum earthquake magnitude that may occur in the future on the Karahayit Fault, whose activity is supported by geomorphic indices, is calculated as 6.23. Since an earthquake of this magnitude may cause loss of life and property in the region, precautions should be taken.
URI: https://doi.org/10.1007/s11629-024-8649-1
https://hdl.handle.net/11499/57425
ISSN: 1672-6316
1993-0321
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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