Natural and human-induced modifications to the Venice Lagoon have disrupted the delicate balance that governs this unique environment. Salt marshes are a fundamental component of the lagoon, playing a critical role in trapping sediments, dampening waves and tides, and providing habitats for various plant and animal species. For this reason, efforts to protect these marshes through sediment replenishment and the construction of artificial salt marshes have been ongoing for years in the Venice Lagoon. This involves depositing dredged sediments back into the lagoon. However, it is important to note that artificial marshes often exhibit morphological differences and do not always achieve the same configuration as their natural counterparts. This thesis aims to model, using an underground flow simulator under unsaturated conditions, the differences in tidal drainage between artificial and natural salt marshes.
Le modifiche naturali e quelle indotte dall'uomo nella Laguna di Venezia hanno interrotto il delicato equilibrio che governa questo ambiente unico. Le barene sono una componente fondamentale della laguna, svolgendo un ruolo cruciale nell'intrappolare sedimenti, attenuare onde e maree, e fornire habitat per varie specie di piante e animali. Per questo motivo, gli sforzi per proteggere queste barene attraverso ripascimenti e la costruzione di barene artificiali sono in corso da anni nella Laguna di Venezia. Ciò comporta il deposito di sedimenti dragati nuovamente nella laguna. Tuttavia, è importante notare che le barene artificiali spesso presentano differenze morfologiche e non raggiungono sempre la stessa configurazione delle loro controparti naturali. Questa tesi si propone di modellare, utilizzando un simulatore di flusso in condizioni insature, le differenze nel drenaggio delle maree tra barene artificiali e naturali.
Comparing groundwater dynamics in natural and artificial saltmarshes of the Venice Lagoon: A modelling investigation
TURCONI, ANNA
2023/2024
Abstract
Natural and human-induced modifications to the Venice Lagoon have disrupted the delicate balance that governs this unique environment. Salt marshes are a fundamental component of the lagoon, playing a critical role in trapping sediments, dampening waves and tides, and providing habitats for various plant and animal species. For this reason, efforts to protect these marshes through sediment replenishment and the construction of artificial salt marshes have been ongoing for years in the Venice Lagoon. This involves depositing dredged sediments back into the lagoon. However, it is important to note that artificial marshes often exhibit morphological differences and do not always achieve the same configuration as their natural counterparts. This thesis aims to model, using an underground flow simulator under unsaturated conditions, the differences in tidal drainage between artificial and natural salt marshes.File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12608/79843