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Surface ratio between river basins areas (in white), urbanized areas in the 1950 (in black), urbanized areas in the 2000 (in gray) and urbanized areas inside the 150 m from the rivers (in gray with black lines).

Surface ratio between river basins areas (in white), urbanized areas in the 1950 (in black), urbanized areas in the 2000 (in gray) and urbanized areas inside the 150 m from the rivers (in gray with black lines).

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Rivers have been the hub of economic and social development in the human evolution, because they are essential resources for: agricultural development, infrastructure networks and development of the first urban strategies. Territory has had a radical transformation that led to a national average urbanization of about 10%; but this development has h...

Contexts in source publication

Context 1
... of the main Italian watersheds, representing differ- ent evolutionary types, were selected to perform a comparative analysis of the transformations. Figure 3 shows the patterns of the watersheds, the urbanized areas in the 50s (in black), the in- crement in urbanization between 1950-2000 (in gray) and the increment in urbanization within 150 m from the rivers (in gray with black line). It is possible to identify different scenarios: comparing Tiber and Arno the variation of urbanization is the same for both basins, while the contribution of the river areas is extremely greater for the Arno; in- stead, the Reno basin is characterized by an incre- ment in urbanization values of more than 500%, between the two periods considered. ...
Context 2
... rappresentativi di differenti tipologie evolutive, per effettuare un'a- nalisi comparativa delle trasformazioni. Di seguito sono riportati gli schemi delle superfici dei bacini idrografici, dell'urbanizzato agli anni 50 (in nero), dell'incremento tra il 1950-2000 (in grigio) e l'in- cremento di urbanizzato all'interno dei 150 m dai fiumi (Fig. 3). È possibile individuare differenti scenari evolutivi: confrontando il Tevere e l' Arno si nota come la variazione di urbanizzazione sia la stessa per entrambi i bacini, mentre il contributo degli ambiti fluviali risulta essere estremamente maggiore per l' Arno; il bacino del Reno invece si distingue per valori di urbanizzazione che ...

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