[PDF] Top 20 Rainfall thresholds for the possible occurrence of landslides in Italy

... each rainfall event, the information collected and stored in the worldwide catalogue includes: (i) the precise or approximate location of the area affected by the rainfall and the landslides, (ii) ... See full document

... The rainfall events investigated were subdivided into three groups on the basis of the consequences induced on the ter- ritory and gathered by the archive ...1980s, rainfall events can be discriminated on a ... See full document

... only rainfall-induced land- slides that were noticed (and recorded) because they have caused damage to public or private properties, or to the pop- ...of landslides in the old period of the series ... See full document

... empirical rainfall thresholds (e.g. rainfall intensity (I ) ...vs. rainfall duration (D), cumulated rainfall vs. rainfall duration (ED), cumulated rainfall ...vs. ... See full document

... the possible occurrence of a debris flow is to compare measured and forecasted rain- falls to critical rainfall threshold (CRT) ...not possible when the database of ob- served debris flows is ... See full document

... in Italy (more than 3000 mm/year), in which frequently heavy and concentrated rainfall ...shallow landslides (soil slip-debris flows), which exposed the population to serious risks (during the 19 ... See full document

... Tuscany, Italy, Segoni et al. (2014) presented a mosaic of several local rainfall thresholds instead of a single regional ...critical thresholds and equations strongly depend on the local ... See full document

... of possible occurrence of rainfall-induced land- slides and of related geohydrological hazards to be ...considered rainfall period, T (in hours), the time step to increment the duration of the ... See full document

... shallow landslides and earth flows is essential for the implementation of an operational landslide warning system (Aleotti, 2004; Baum and Godt, 2010; Tiranti and Rabuffetti, 2010; Martelloni et ...of ... See full document

... areas, rainfall is the primary trigger of ...the rainfall conditions responsible for landslide occurrence is important, and may contribute to saving lives and ...of rainfall thresholds ... See full document

... of thresholds and the evaluation of a sent warning to confirm if the warning was correct or ...triggering rainfall event (Devoli et ...the occurrence of ...like landslides, floods, and ice ... See full document

... the rainfall threshold ...the rainfall event is selected ...cumulated rainfall dura- tion is ...long-lasting rainfall event is chosen. In these cases, the chosen cumulated rainfall ... See full document

... for landslides along its ...a rainfall event will trig- ger ...for landslides are somewhat related to catchment scale hydro- logical ...event rainfall intensity, and compared its performance ... See full document

... whether rainfall intensity thresholds can be defined above which flooding is probable or even certain for some areas and of whether short-duration rain intensities can reliably indicate risk of ...peak ... See full document

... also possible that in the past flood events occurred, but there is no informa- tion ...in Italy “Piani di Assetto Idrogeologico” or “Piani Stralcio di Assetto Idrogeologico”, in which possible ... See full document

... the rainfall events with the duration between 24 h (daily) and 720 h (30 ...for rainfall events of shorter duration with a rainfall intensity of ...landslide occurrence in this part of the ... See full document

... many landslides occurred near or in the vicinity of villages, single houses and along the roads, very little information is available on the exact (or even the approximate) time of the slope failures (Table ... See full document

... The rainfall events in the eastern part of the watershed lasted between 35 and 43 h, while in the western part they lasted 78 ...triggered landslides in the past. Thus, it is possible to compare the ... See full document

... tions. None of them, however, expressly takes into account the dynamic variables of the system as well as their short- time and long-time behaviour. This variability is considered by physically based mathematical models ... See full document

... (Transient Rainfall Infiltration and Grid-Based Regional Slope-Stability Analysis; Baum et ...shallow landslides, triggered during a rainfall event in August ...triggering rainfall event which ... See full document