4.6 Article

Slovenian national landslide database as a basis for statistical assessment of landslide phenomena in Slovenia

Journal

GEOMORPHOLOGY
Volume 249, Issue -, Pages 94-102

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.geomorph.2015.02.005

Keywords

Landslides; Database; Spatial properties; Landslide size; Basic statistics; Slovenia

Funding

  1. Geological Survey of Slovenia
  2. Slovenian Research Agency [3330-14-500024]
  3. Slovenian Research Agency through research programme, Regional Geology [P1-011]
  4. Slovenian Research Agency through infrastructure programme, Geological Information Centre [I0-007]

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Landslide databases on a national scale are an important tool for good spatial planning and for planning prevention measures or remediation activities. We have developed a modem national landslide database that enabled better landslide occurrence understanding, and will in the future help to assess landslide hazard, risk, potential damage, and enable more efficient landslide mitigation. In the paper landslide database construction steps and their properties are described. Following the collection of the landslide data from various sources and their input into the database the consistency of the database was assessed. Based on the data collected we have assessed basic statistical landslide properties, such as their overall spatial distribution, size and volume and the relation between them, landslide distribution in relation to engineering-geological units and different land-use, and past landslide mitigation activities. Analysis of landslide distribution also indicated areas in Slovenia where no landslide mapping was performed in the past, yet it should be, due to the high landslide susceptibility of these areas. Consequentially future national activities in relation to landslide problems should be governed primarily based on the findings of the database analyses to achieve the highest efficiency. (C) 2015 Elsevier B.V. All rights reserved.

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