Centro Euro Mediterraneo sui Cambiamenti Climatici CMCC ISC

Capua, Italy

Centro Euro Mediterraneo sui Cambiamenti Climatici CMCC ISC

Capua, Italy
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Villani V.,Centro Euro Mediterraneo sui Cambiamenti Climatici CMCC ISC | Rianna G.,Centro Euro Mediterraneo sui Cambiamenti Climatici CMCC ISC | Mercogliano P.,Centro Euro Mediterraneo sui Cambiamenti Climatici CMCC ISC | Mercogliano P.,Italian Aerospace Research Center | And 4 more authors.
Journal of Urban and Environmental Engineering | Year: 2014

To properly evaluate weather variables regulating the occurrence of geo-hydrological hazards, the current constraints of climate models imply the need of adopting statistical approaches in cascade to GCM/RCM for the assessment of the potential variations associated to climate changes. Since, in the last years, several approaches, often freely available, have been proposed and applied to investigate various hazards in different geographical areas and geomorphological contexts, a deeper understanding about their performances and constraints is crucial; in the work, it is carried out focusing the attention on two kind of approaches widely adopted in impact studies: bias correction methods (in particular, quantile mapping tools) and weather generators. Both methodology have been applied to outputs of an high resolution RCM simulation carried out on Italian territory for analyzing two very localized (and then challenging) landslide case studies. Beyond an assessment about relative performances in reproducing weather variables on the areas, the goal concerns an increasing awareness about how these approaches could affect the climate signal, physically detected by RCM, not only in outputs weather variables but also in derived components of soil surface budgets strictly governing the occurrence of landslide phenomena. © 2014 Journal of Urban and Environmental Engineering (JUEE). All rights reserved.

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