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Landslide hazard and risk assessment in Istria, Croatia


Dugonjić Jovančević, Sanja; Arbanas, Željko; Vivoda, Martina; Peranić, Josip; Đomlija, Petra
Landslide hazard and risk assessment in Istria, Croatia // Proceedings of the 2nd Regional Symposium on Landslides in the Adriatic-Balkan Region / Abolmasov, B. ; Marjanović, M. ; Đurić, U. (ur.).
Beograd: University of Belgrade, Faculty of Mining and Geology, 2017. str. 117-121 (ostalo, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Landslide hazard and risk assessment in Istria, Croatia

Autori
Dugonjić Jovančević, Sanja ; Arbanas, Željko ; Vivoda, Martina ; Peranić, Josip ; Đomlija, Petra

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the 2nd Regional Symposium on Landslides in the Adriatic-Balkan Region / Abolmasov, B. ; Marjanović, M. ; Đurić, U. - Beograd : University of Belgrade, Faculty of Mining and Geology, 2017, 117-121

ISBN
978-86-7352-296-8

Skup
2nd Regional Symposium on Landslides in the Adriatic-Balkan Region

Mjesto i datum
Beograd, Srbija, 14-16.05.2015.

Vrsta sudjelovanja
Ostalo

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Landslide, hazard, risk, flysch

Sažetak
Paper presents landslide hazard and risk assessment in the central part of Istrian Peninsula, Croatia. Investigation area is formed in Paleogene flysch deposits with expressed frequent instability phenomena followed by damages on local roads, buildings and other facilities, fortunately without casualties. Considering available data about landslide occurrences in the past, as well as results of preliminary analyses of sliding mechanism conditions and triggering factors, deterministic approach was used to analyze landslide hazard using 3D simulation model. High landslide susceptibility was identified in the north-eastern part of the investigated area, on the contact of flysch and limestone rock mass complex. Furthermore, a coarse qualitative landslide risk analysis was performed. Elements at risk (assets) in the investigation area include roads, smal road viaducts, residential houses and farm facilities, cultivated areas, protected forests and crude construction areas, as well as human lives and socio- economic activities. Analyzed area was divided in 20 hazard zones which were individually analyzed regarding landslide risks, considering probability of hazardous event, vulnerability of elements at risk and temporal exposure to landslide hazard. Single asset method was used in the vulnerability analysis where damage or loss for every element at risk were determined individually, paying attention on the elements inside or near the landslide hazard zones and landslides. Total risk was categorized into five levels: very low, low, medium, high and very high.

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Građevinarstvo