Morphometric analysis and risk assessment of flash floods in the Atlas chain of eastern Algeria and the Algerian–Tunisian borders

Taib, Hassan; Hadji, Riheb; Bedri, Khaoula; Defaflia, Nabil; Hamed, Younes; Gentilucci, Matteo; Barbieri, Maurizio; Pambianchi, Gilberto

doi:10.1007/s41207-024-00617-w

Euro-Mediterr J Environ Integr

2024

DOI: 10.1007/s41207-024-00617-w

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Morphometric analysis and risk assessment of flash floods in the Atlas chain of eastern Algeria and the Algerian–Tunisian borders

Hassan Taib,

Riheb Hadji,

Khaoula Bedri

et al.

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Assessment of Active Tectonics Using Geomorphic Indices and Morphometric Parameters in the Setifian Highlands Region

Hadji,

Taib,

Gentilucci

et al. 2024

Earth

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The present study aims to assess the tectonic activity in the South Setifian allochthonous complex, providing insights into the evolution of the landscape. A morphometric analysis of Jebel Youcef Mountain (JYM) in Eastern Algeria was conducted to assess neotectonic activity. Six quantitative parameters were analyzed: stream length-gradient index, asymmetric factor, hypsometric integral, valley floor width-to-valley height ratio, index of drainage basin shape, and index of mountain front sinuosity across the 16 river basins in the region. The geomorphic indices are combined into a single index of relative tectonic activity (IRTA), categorized into four classes: very high, high, moderate, and low. The results identified two major lineament sets. The NE-SW lineament set is the dominant structural feature, playing a key role in driving recent geological processes and deformation in the study area. In contrast, the E-W and NW-SE lineament sets exert a more localized influence, primarily affecting the Jurassic formations at Kef El Ahmar’s central peak in Jebel Youcef, though they exhibit relatively lower tectonic activity compared to the NE-SW lineament set. Based on the relative active tectonic classes, significant neotectonic activity is evident in the study area, as shown by distinctive basement fracturing. The findings contribute to understanding the structural processes in the study area. Furthermore, the study establishes a systematic framework for analyzing tectonic activity and landscape morphology evolution, enhancing our perception of the convergence between the North African Alpine zones and the Atlas range.

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Assessment of Active Tectonics Using Geomorphic Indices and Morphometric Parameters in the Setifian Highlands Region

Hadji,

Taib,

Gentilucci

et al. 2024

Earth

View full text Add to dashboard Cite

show abstract

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Morphometric analysis and risk assessment of flash floods in the Atlas chain of eastern Algeria and the Algerian–Tunisian borders

Cited by 1 publication

References 42 publications

Assessment of Active Tectonics Using Geomorphic Indices and Morphometric Parameters in the Setifian Highlands Region

Assessment of Active Tectonics Using Geomorphic Indices and Morphometric Parameters in the Setifian Highlands Region

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