Detection of earthflow dynamics using medium-resolution digital terrain models: Diachronic perspective of the Jovac earthflow, Southern Serbia

The paper presents and discusses the landslide research procedure related to the topography before and after its occurrence, using the comparative analysis of two medium-resolution digital terrain models. The case study is the Jovac mega-landslide—the largest landslide to occur in Serbia in the last...

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Bibliographic Details
Published inActa geographica Slovenica : Geografski zbornik Vol. 61; no. 2; pp. 187 - 206
Main Authors Milošević, Marko, Štrbac, Dragoljub, Ćalić, Jelena, Radovanović, Milan
Format Journal Article
LanguageEnglish
Published ZRC SAZU, Založba ZRC 01.12.2021
Subjects
earthflow
gis analysis
jovac
landslide
serbia
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Summary:The paper presents and discusses the landslide research procedure related to the topography before and after its occurrence, using the comparative analysis of two medium-resolution digital terrain models. The case study is the Jovac mega-landslide—the largest landslide to occur in Serbia in the last 100 years, active for three days in February 1977. The indicators used to determine the volume and movement mechanism were the spatial distribution of elevation differences within the two digital terrain models (DTM), and the analysis of geomorphological features before the landslide. The obtained elevation differences allowed the definition of the approximate landslide volume: 11.6 × 106 m3. All the data obtained indicate that the movement mechanism falls into the category of earthflow.
ISSN:1581-6613
1581-8314
DOI:10.3986/AGS.9818