engleski

Landslides Triggered in the Continental Part of Croatia by Extreme Precipitation in 2013

The subject of this paper are landslides triggered by the extreme precipitation during winter and spring of 2013. More than 900 landslides were (re)activated in the continental part of Croatia during the analyzed period. This paper presents preliminary analysis results of the relationship between 55 slide-type occurrences and precipitation conditions. The preliminary analysis is based on the sliding data from the hilly area of Medvednica Mt. in the City of Zagreb. The exact landslide location, the slope failure time, information on the precipitation duration D and the mean intensity I, which have resulted in landslide activation, are known for each analyzed landslide event. A comparison of precipitation series and landslides occurrence dates with global rainfall intensity-duration (ID) thresholds showed that precipitation conditions exceeded threshold values and were likely to trigger a landslide. The results will be used for further study of the empirical threshold of landslides in the area of NW Croatia.

Soil slides ; Extreme precipitation ; Empirical thresholds ; Croatia

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