 |
| Titel |
Return period of landslides and triggering rainfall: the experience of a southern Italian region |
| VerfasserIn |
O. Petrucci, M. Polemio |
| Konferenz |
EGU General Assembly 2009
|
| Medientyp |
Artikel
|
| Sprache |
Englisch
|
| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 11 (2009) |
| Datensatznummer |
250022625
|
|
|
|
|
|
| Zusammenfassung |
| Landslides occurred during or shortly after rainy events are considered. In the present work, we proposed a methodological approach, based on the comparative analysis of two databases: the landslide database and the climatic database. The aim of the analysis is to underline repetitively and return periods of selected landslide phenomena and to investigate if triggering rainfall conditions are invariant or change from activation to activation
As an application of the proposed methodology, in the database of landslides occurred in Calabria since the beginning of 1800, a series of landslides, characterised by several activation phases have been selected.
The case studies concern landslides locate in different sectors of the region and characterised by different geological, geomorphological and anthropogenic context, in order to take into account every possible factors which can induce modifications of the rainfall threshold able to trigger the analysed landslides.
The main purpose is the individuation of districts showing homogeneous geological, geomorphological, climatic and anthropogenic context, to which the relationships rainfall-landslide can be extrapolate. The resulting zonation can have applications in planning prioritising of landslide remedial works and in the definition of civil defence plans. |
|
|
|
|
|
|