Trees are a valuable resource in urban environments, providing significant benefits for both the environment and local communities. They are part of so-called green infrastructure and have positive impacts on energy efficiency, thermal regulation, stormwater management, biodiversity conservation, and people’s physical and psychological well-being. Trees also function as sustainable urban drainage systems, as they help restore the natural hydrological cycle in highly urbanised areas and reduce the risk of flooding by promoting the interception, infiltration, evapotranspiration, and storage of rainwater within the soil in which they are planted. Interaction with water also has significant effects on tree health and stability, particularly during extreme weather events. From this perspective, in which the high degree of uncertainty associated with climatic forcing and the strongly multidisciplinary nature of the problem play a crucial role, a probabilistic approach integrated with a water–soil–tree interaction model can provide valuable support to technicians and urban green-space professionals operating in the challenging and continuously evolving urban environment.
Gli alberi sono una notevole risorsa in ambito urbano e promuovono importanti benefici sull’ambiente e per le comunità. Rientrano nella categoria delle cosiddette infrastrutture verdi, con impatti positivi dal punto di vista energetico, termico, sulla gestione delle acque meteoriche, sulla conservazione della biodiversità e sul benessere psico-fisico delle persone. Gli alberi svolgono anche il ruolo di sistemi di drenaggio urbano sostenibile, dal momento che contribuiscono a riequilibrare il ciclo idrologico naturale in territori altamente urbanizzati e riducono il rischio di allagamenti, favorendo l’intercettazione, l’infiltrazione, l’evapotraspirazione e l’invaso delle acque piovane nello strato di terreno entro cui sono messi a dimora. L’interazione con l’acqua ha evidentemente effetti importanti anche sulla salute della pianta e sulla sua stabilità, in particolare durante eventi climatici estremi. In tale prospettiva, ove la elevata aleatorietà delle forzanti climatiche e la forte multidisciplinarietà giocano un ruolo determinante, l’approccio probabilistico, integrato con un modello di interazione acqua-suolo-albero, può essere di supporto a tecnici e professionisti del verde, in un contesto sfidante e in continua evoluzione come quello urbano.
GLI ALBERI COME SISTEMI DI DRENAGGIO RBANO SOSTENIBILE
A. Galli;A. Raimondi;G. Marrazzo
2025-01-01
Abstract
Trees are a valuable resource in urban environments, providing significant benefits for both the environment and local communities. They are part of so-called green infrastructure and have positive impacts on energy efficiency, thermal regulation, stormwater management, biodiversity conservation, and people’s physical and psychological well-being. Trees also function as sustainable urban drainage systems, as they help restore the natural hydrological cycle in highly urbanised areas and reduce the risk of flooding by promoting the interception, infiltration, evapotranspiration, and storage of rainwater within the soil in which they are planted. Interaction with water also has significant effects on tree health and stability, particularly during extreme weather events. From this perspective, in which the high degree of uncertainty associated with climatic forcing and the strongly multidisciplinary nature of the problem play a crucial role, a probabilistic approach integrated with a water–soil–tree interaction model can provide valuable support to technicians and urban green-space professionals operating in the challenging and continuously evolving urban environment.| File | Dimensione | Formato | |
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