Landslide Risk Reduction in Croatia: Scientific research in the framework of the WCoE 2014- 2017, IPL 173, IPL 184, ICL ABN

Published on May 29, 2017
· DOI :10.1007/978-3-319-59469-9_25
Snježana Mihalić Arbanas9
Estimated H-index: 9
(University of Zagreb),
Željko Arbanas10
Estimated H-index: 10
(University of Rijeka)
+ 7 AuthorsJosip Peranić5
Estimated H-index: 5
(University of Rijeka)
Sources
Abstract
In this paper scientific activities of the Croatian Landslide Group (CLG), World Centre of Excellence on Landslide Risk Reduction (WCoE) of the International Consortium on Landslide (ICL) for the period 2014–2017, are shortly described. The results of scientific research are presented through the fields of landslide science: landslide identification and mapping, landslide investigation and testing, landslide monitoring, landslide modelling and landslide stabilization and remediation. It is concluded that the resulting landslide inventory maps, regional empirical rainfall intensity-duration thresholds, kinematic landslide models and soil strength parameters, landslide movement prediction models, numerical models and simulations and behavior of geotechnical construction for landslide stabilization provide necessary information for landslide risk management in Croatia. Besides applied scientific research, the general objectives of ICL WCoE are achieved in the framework of two Croatian IPL Projects and regional ICL Adriatic-Balkan Network.
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References37
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#1Sanja Bernat Gazibara (University of Zagreb)H-Index: 6
#2Martin Krkač (University of Zagreb)H-Index: 10
Last. Snježana Mihalić Arbanas (University of Zagreb)H-Index: 9
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Landslides in the hilly zone of Medvednica Mt. were identified visually using LiDAR DTM with a spatial resolution of 15 × 15 cm. Acquisition of the LiDAR data was performed in December 2013, following an extreme precipitation period that resulted in numerous landslides. Topographic derivative datasets for interpreting landslide morphology were computed from the LiDAR DTM: hillshade maps, degree of slope, contour lines, curvature, and surface roughness. Visual interpretation of LiDAR DTM derivati...
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#1Martin Krkač (University of Zagreb)H-Index: 10
#2Snježana Mihalić Arbanas (University of Zagreb)H-Index: 9
Last. Marin Sečanj (University of Zagreb)H-Index: 5
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Prediction of landslide movements with practical application for landslide risk mitigation is a challenge for scientists. This study presents a methodology for prediction of landslide movements using random forests, a machine learning algorithm based on regression trees. The prediction method was established based on a time series data gathered by two years of monitoring on landslide movement, groundwater level and precipitation by the Kostanjek landslide monitoring system and nearby meteorologi...
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#1Marin Sečanj (University of Zagreb)H-Index: 5
#2Snježana Mihalić Arbanas (University of Zagreb)H-Index: 9
Last. Sanja Bernat Gazibara (University of Zagreb)H-Index: 6
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The aim of this paper was identification of rock fall prone areas above the historical town of Omis, located at the Adriatic coast in Croatia. Unstable areas were identified by kinematic analysis performed based on relative orientations of discontinuities and slope face. Input data was extracted from the surface model created from the high-resolution point cloud. The town of Omis is threatened by rock falls, because of its specific location just at the toe of Mt. Omiska Dinara. Rock fall risk is...
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#1Željko Arbanas (University of Rijeka)H-Index: 10
#2Snježana Mihalić Arbanas (University of Zagreb)H-Index: 9
Last. Martin Krkač (University of Zagreb)H-Index: 10
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Open image in new window A large landslide occurred near the Grohovo Village in outback of the City of Rijeka, Croatia, on 13 February 2014 after long term period of heavy rain. The preliminary surface observation was carried out immediately after sliding appearance enabled estimation of site condition, dimension of the landslide so as an assessment of a hazard of further landslide movements. The estimated dimension of landslide body are length of 350 m, width of 135 and 20–30 m of depth to the ...
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#1Martina Vivoda Prodan (University of Rijeka)H-Index: 3
#2Željko Arbanas (University of Rijeka)H-Index: 10
The Valici Landslide occurred near the Valici Lake in outback of the City of Rijeka, Croatia, in February 2014 after long term period of heavy rainfall. The landslide is located on the west slope in the middle part of the Rjecina River Valley which is an area susceptible to sliding with a lot of mass movements recorded in the past and recent history. Slopes in the valley are built of flysch rock mass while the limestone rock mass built the cliffs around the top of the valley. A flysch rock mass ...
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#1Martina Vivoda Prodan (University of Rijeka)H-Index: 3
#2Marta Mileusnić (University of Zagreb)H-Index: 6
Last. Željko Arbanas (University of Rijeka)H-Index: 10
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Weathering processes cause significant changes in the engineering properties of rocks. Slope instability in flysch rock formations along the northern Adriatic coast of Croatia is related to the effects of weathering on the shear strength of siltstones from the flysch rock mass. Therefore, changes in geotechnical properties according to weathering grade are of immense importance in relation to instability processes. In this work, we investigated siltstones from flysch rock masses in the study are...
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#1Sanja BernatH-Index: 6
Last. Marin SečanjH-Index: 5
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#1Željko ArbanasH-Index: 10
#2Martina VivodaH-Index: 5
Last. Martin KrkačH-Index: 10
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A large landslide occurred near the Grohovo Village in outback of the City of Rijeka, Croatia, on 13 February 2014 after long term period of heavy rain. The preliminary surface observation was carried out immediately after sliding appearance enabled estimation of site condition, dimension of the landslide so as assessment of a hazard of further landslide movements. The estimated dimension of landslide body are length of 350 m, width of 135 m and 20 to 30 m of depth to the slip surface. The movem...
#2Marin SečanjH-Index: 5
Last. Željko ArbanasH-Index: 10
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The paper presents results of identification and mapping of the Valici Lake landslide reactivated in February 2014 due to intensive rainfalls. The described investigations included conventional engineering geological field mapping and innovative remote sensing mapping using high resolution digital elevation model, undertaken for interpretation of landslide mechanism. The research results imply reactivation of large part of old deep landslide (>30%) and high risk due to potential damaging of the ...
Slaking and weathering of weak rocks result in slope instability. Siltstones from flysch rock masses are highly susceptible to weathering, which causes rapid changes in the geotechnical properties and durability. This study investigated siltstone samples of different weathering grades from flysch rock masses from the Istria Peninsula, Croatia, and determined the effects of weathering on their engineering properties. Laboratory testing of siltstone samples of different weathering grades was condu...
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Cited By1
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Last. Željko ArbanasH-Index: 10
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