Diversity of Rainfall Thresholds for early warning of hydro-geological disasters

For early warning of disasters induced by precipitation (such as floods and landslides), different kinds of rainfall thresholds are adopted, which vary from each other, on the basis on adopted hypotheses. In some cases, they represent the occurrence probability of an event (landslide or flood),...

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Main Authors: D. L. De Luca, P. Versace
Format: Article
Language:English
Published: Copernicus Publications 2017-06-01
Series:Advances in Geosciences
Online Access:http://www.adv-geosci.net/44/53/2017/adgeo-44-53-2017.pdf
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author D. L. De Luca
P. Versace
author_facet D. L. De Luca
P. Versace
author_sort D. L. De Luca
collection DOAJ
description For early warning of disasters induced by precipitation (such as floods and landslides), different kinds of rainfall thresholds are adopted, which vary from each other, on the basis on adopted hypotheses. In some cases, they represent the occurrence probability of an event (landslide or flood), in other cases the exceedance probability of a critical value for an assigned indicator <i>I</i> (a function of rainfall heights), and in further cases they only indicate the exceeding of a prefixed percentage a critical value for <i>I</i>, indicated as <i>I</i><sub>cr</sub>. For each scheme, it is usual to define three different criticality levels (ordinary, moderate and severe), which are associated to warning levels, according to emergency plans. This work briefly discusses different schemes of rainfall thresholds, focusing attention on landslide prediction, with some applications to a real case study in Calabria region (southern Italy).
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spelling doaj.art-0375e4841f7841dba4348b7aff70af6f2022-12-22T01:34:39ZengCopernicus PublicationsAdvances in Geosciences1680-73401680-73592017-06-0144536010.5194/adgeo-44-53-2017Diversity of Rainfall Thresholds for early warning of hydro-geological disastersD. L. De Luca0P. Versace1Department of Informatics, Modelling, Electronics and System Engineering, University of Calabria, Ponte P. Bucci, 41b building, 5th floor, Arcavacata di Rende (CS), 87036, ItalyDepartment of Informatics, Modelling, Electronics and System Engineering, University of Calabria, Ponte P. Bucci, 41b building, 5th floor, Arcavacata di Rende (CS), 87036, ItalyFor early warning of disasters induced by precipitation (such as floods and landslides), different kinds of rainfall thresholds are adopted, which vary from each other, on the basis on adopted hypotheses. In some cases, they represent the occurrence probability of an event (landslide or flood), in other cases the exceedance probability of a critical value for an assigned indicator <i>I</i> (a function of rainfall heights), and in further cases they only indicate the exceeding of a prefixed percentage a critical value for <i>I</i>, indicated as <i>I</i><sub>cr</sub>. For each scheme, it is usual to define three different criticality levels (ordinary, moderate and severe), which are associated to warning levels, according to emergency plans. This work briefly discusses different schemes of rainfall thresholds, focusing attention on landslide prediction, with some applications to a real case study in Calabria region (southern Italy).http://www.adv-geosci.net/44/53/2017/adgeo-44-53-2017.pdf
spellingShingle D. L. De Luca
P. Versace
Diversity of Rainfall Thresholds for early warning of hydro-geological disasters
Advances in Geosciences
title Diversity of Rainfall Thresholds for early warning of hydro-geological disasters
title_full Diversity of Rainfall Thresholds for early warning of hydro-geological disasters
title_fullStr Diversity of Rainfall Thresholds for early warning of hydro-geological disasters
title_full_unstemmed Diversity of Rainfall Thresholds for early warning of hydro-geological disasters
title_short Diversity of Rainfall Thresholds for early warning of hydro-geological disasters
title_sort diversity of rainfall thresholds for early warning of hydro geological disasters
url http://www.adv-geosci.net/44/53/2017/adgeo-44-53-2017.pdf
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