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Landslides, floods and sinkholes in a karst environment: the 1–6 September 2014 Gargano event, southern Italy by Maria Elena Martinotti; Luca Pisano; Ivan Marchesini; Mauro Rossi; Silvia Peruccacci; Maria Teresa Brunetti; Massimo Melillo; Giuseppe Amoruso; Pierluigi Loiacono; Carmela Vennari; Giovanna Vessia; Maria Trabace; Mario Parise; Fausto Guzzetti is a Environmental Science article available to read on EtoBox.

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Abstract. In karst environments, heavy rainfall is known to cause multiple geohydrological hazards, including inundations, flash floods, landslides and sinkholes. We studied a period of intense rainfall from 1 to 6 September 2014 in the Gargano Promontory, a karst area in Puglia, southern Italy. In the period, a sequence of torrential rainfall events caused severe damage and claimed two fatalities. The amount and accuracy of the geographical and temporal information varied for the different hazards. The temporal information was most accurate for the inundation caused by a major river, less accurate for flash floods caused by minor torrents and even less accurate for landslides. For sinkholes, only generic information on the period of occurrence of the failures was available. Our analysis revealed that in the promontory, rainfall-driven hazards occurred in response to extreme meteorological conditions and that the karst landscape responded to the torrential rainfall with a threshold behaviour. We exploited the rainfall and the landslide information to design the new ensemble–non-exceedance probability (E-NEP) algorithm for the quantitative evaluation of the possible occurrence of ra

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Author

Maria Elena Martinotti; Luca Pisano; Ivan Marchesini; Mauro Rossi; Silvia Peruccacci; Maria Teresa Brunetti; Massimo Melillo; Giuseppe Amoruso; Pierluigi Loiacono; Carmela Vennari; Giovanna Vessia; Maria Trabace; Mario Parise; Fausto Guzzetti

Publisher

Copernicus GmbH; Copemicus Gesellschaften; Göttingen: Copernicus Publ. (ISSN 1684-9981)

Published

2017

Language

EN

Field

Environmental Science (Physical Sciences)