Рад у зборнику

објављена

енглески

Ksenija Micić, Miloš Marjanović, Biljana Abolmasov

Debris-flow Susceptibility Assessment in Flow-R: Ribnica River Case Study

Proceeding of the 6th Regional Symposium on Landslides in the Adriatic-Balkan Region, ReSyLAB 2024

Miloš Marjanović, Uroš Đurić

University of Belgrade, Faculty of Mining and Geology

2024

Debris flows are among the most dangerous erosional geohazards due to the fast rate of movement and long runout zones. Even though the initiation can be triggered in mountainous areas, inhabited and with steep slopes, their propagation and deposition can endanger not only buildings and infrastructure in the urbanized areas, but also threaten human lives. As these initiation areas usually represent unattainable terrains with rapid vegetation cover development, field observations and aerial photo analysis become high-demanding tasks. Consequently, medium-to-regional scale susceptibility assessments are increasing in interest. They allow for efficient and effective identification of the most endangered zones and can be used to propose where further detailed studies should take place. In those terms, since it can be challenging to obtain enough data for larger regions, empirical models with low data requirements represent an adequate solution to the susceptibility modelling problem. In this paper, a medium-scale debris flow susceptibility assessment has been carried out along the Ribnica River in western Serbia. Both the source areas and the propagation extent have been identified with the Flow-R empirical model based on simple probabilistic and energy calculations. The key input data used to investigate debris flow susceptibility in the study area was 10 m resolution DEM. The combination of DEM, its associated morphological derivates, landuse and lithology datasets, with Holmgren’s modified propagation algorithm and the angle of reach, allowed for the 1:25000 susceptibility assessment. The results are reasonable and can be of great use for determining the areas that need to be prioritized for further detailed studies.

231

237

7

https://doi.org/10.18485/resylab.2024.6

978-86-7352-402-3

Srbija

"tečenje drobine", "Flow-R", "procena podložnosti", "empirijski model"

"debris flow", "Flow-R", "susceptibility assessment", "empirical model"

144496393

https://doi.org/10.18485/resylab.2024.6.ch34

М30

М33

Отворени приступ

Creative Commons – Attribution 4.0 International

.pdf