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pubblicazioni - Memoria

Facing the climate change effects , mitigating flood damages and managing water resources: the concept of large-scale hydraulic interconnections

pubblicazioni - Memoria

Facing the climate change effects , mitigating flood damages and managing water resources: the concept of large-scale hydraulic interconnections

La realizzazione di un sistema idrico interconnesso sul territorio italiano può consentire di mitigare il rischio idrogeologico del nostro Paese, sempre più colpito da eventi meteorologici estremi, facilitando nel contempo l’uso plurimo della risorsa acque e una maggiore produzione di energia.

In the last decades the increasingly severity of extreme weather events, whose higher frequency of occurrence is due to climate changes, is heavily affecting our society. The greater intensity of floods, which causes every year catastrophic impacts for lives and human activities, is making the hydro-geological risk higher and higher in many areas. For this reason in many Countries action plans are now deemed urgent and necessary to mitigate the vulnerability of the territory and increase the resilience to adverse impacts.

In Italy a pre-feasibility study concerning the construction of a long-range interconnection system, based on the communicating vessels principle, was carried out. Such a system, connecting existing or new reservoirs through tunnels, could fulfil several functions, playing a key role towards a sustainable management of water resources and a green economy.

Being the hydraulic resources in mutual communication, the peak flood discharges of those areas affected by localized and intense rainfalls may be freely redistributed through the entire system, mitigating the hydro-geologic disasters; at the same time, the surplus inflows of rainy seasons may be stored to times of drought. The energy production and storage capacity will be increased, and a multiple use of water resources will be facilitated.

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