On the effects of vegetated bars on river hydrodynamics

Artini, Giada; Calvani, Giulio; Francalanci, Simona; Solari, Luca

doi:10.1201/b22619-209

Cited by 1 publication

(2 citation statements)

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“…The data that support the findings of this study are openly available in zenodo.org at https://doi.org/10.5281/zenodo.3827538 [Artini, G., Calvani, G., Francalanci S., & Solari, L. (2020). 2D numerical modelling:…”

Section: Data Availability Statementsupporting

confidence: 72%

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Effects of vegetation at a bar confluence on river hydrodynamics: The case study of the Arno River at Greve junction

Artini

Calvani

Francalanci

et al. 2021

River Research & Apps

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River bars often form at river confluences due to variation in flow discharges or in sediment transport capacity; once these bars are grown, they constitute favourable habitats for vegetation development. In this work, we analysed the effect of vegetation above confluence bars on the hydrodynamics of a river reach. The case study considered is the Arno River reach at the Greve junction, where confluence bars expanded towards the opposite bank. A two-dimensional hydraulic model was implemented through BASEMENT software varying the flow discharge. Three-dimensional topographic data were used to generate the calculation mesh. Dendrometric surveys were carried out to describe the current state of the vegetation. Seven different vegetative scenarios were considered for numerical simulations, depending on different vegetation management conditions. Such scenarios are characterised by various plant densities, diameters, heights and species (herbaceous, shrub and arboreal), and, accordingly, different formu-

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Section: Data Availability Statementsupporting

confidence: 72%

“…We focused on the Arno River reach located between the Indiano Bridge and the A1 highway Bridge (Figure 1). The study reach length is 2.7 km and is characterised by the confluence of the Greve River with an angle of 40 (total drainage area of Greve subbasin is approximately 280 km 2 ) (Artini et al, 2020).…”

Section: The Case Studymentioning

confidence: 99%