Transformations of Someş River bed in the urban area of Satu Mare.
Transformations of Someş River bed in the urban area of Satu Mare.

Summary/Abstract: The study captures the spatial-temporal evolution of the Someș river bed and the anthropic interference over it in the metropolitan area of Satu Mare. Over time the inhabitants of these lands led a permanent struggle with Someș waters, which flooded frequently. Due to the low drainage slope and the intense meandering in the urban sector, over time a series of hydro-technical works for rectifying the river bed and embankments to reduce the effects of the floods were needed. Before 1777 there were 39 meanders on the territory of the urban area, which through extensive works have now been suppressed. The works performed took place in three main stages. Through these works were converted into agricultural land and later in built surfaces about 800 ha of swamps and arms. Due to the hydro technical works the length of the course in the urban area decreased from 36.5 km to 13 km. The cross-sections made at the Satu Mare hydrometric station revealed a deepening of the river valley in its own alluviums due to the influence of several factors.

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