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The Integrated Management of Water Crises: The Case for Long-Range Hydraulic Interconnections

pubblicazioni - Articolo

The Integrated Management of Water Crises: The Case for Long-Range Hydraulic Interconnections

La gestione delle risorse idriche sta assumendo un ruolo cruciale a livello mondiale in relazione all’uso plurimo di acqua e alla disponibilità di risorsa legata ai cambiamenti climatici. Questo aspetto sta divenendo critico non solo per i paesi in via di sviluppo, ma sempre più anche per quelli industrializzati. Tra le numerose possibilità offerte dalle tecnologie attuali, i sistemi infrastrutturali di interconnessione idrica a lungo raggio possono essere considerati una soluzione efficace.

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 studyconcerning 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 ischarges 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 ofdrought. The energy production and storage capacity will be increased, and a multiple use of water resources will be facilitated.

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