Fall (river)

Article

January 24, 2022

The Po (Italian Po, Latin Padus) is the largest river in Italy (Veneto, Emilia-Romagna, Piedmont, Lombardy). It is 652 km long. The basin has an area of ​​75,000 km2.

Flow course

It springs in the Kottice Alps. It flows mainly through the Po Plain from west to east. Below the mouth of the Tanara, the Po riverbed is 300 to 350 m wide and is surrounded by flood defenses. The riverbeds of a number of tributaries in the Pádská plain are similarly protected. It empties into the Adriatic Sea, creating a swampy delta with an area of ​​1500 km². It increases by approximately 60 ha each year.

Tributaries

The largest and most watery are the left tributaries of the Dora Riparia, Dora Baltea, Ticino, Adda, Oglio, which originate on the southern slopes of the Alps. The right tributaries, which originate mainly on the northern slopes of the Tuscan-Emilian Apennines and also the Maritime Alps, usually have little water (the largest is Tanaro) and carry many solid particles.

Water mode

Despite all protective measures, many floods occur, especially after heavy rains, during which the level of the river and its tributaries rises by 5 to 10 m. In the 20th century, the largest floods occurred in 1951 and 1966. These floods caused great damage and forced evacuation of the population. The average annual water flow in the estuary is 1460 m³ / s. The left tributaries have the highest water content in spring and summer at a time when the snow and glaciers in the Alps are melting and cause the Fall to have an alpine water regime on the upper course. The right tributaries have a high water content in spring and autumn. This causes two flood periods in the middle and lower reaches of the Po (May-June and October-November). In winter, the river usually has little water. The total amount of entrained solid particles is estimated at 13 to 15 Mt per year.

Usage

Used for irrigation. Water transport is possible from the estuary to Piacenza. The river is connected by canals with Milan (helped by Leonardo da Vinci) and the Venetian Lagoon. After tributaries (Adda, Ticino) and also navigable canals, it is connected with large lakes (Como, Maggiore, Garda). Cascades of hydroelectric power plants were built on a number of their left tributaries. The cities of Turin, Piacenza and Cremona lie on it.

Biosphere Reserve

The area in the Po Delta with an area of ​​13,495 ha was inscribed on the UNESCO list of biosphere reserves in 2015. The seat of the reservation is located in Porto Viro (Veneto region).

Links

Reference

Information from the Great Soviet Encyclopedia, the motto "Po", was used in this article.

External links

Dictionary Wiktionary Pictures, sounds or videos on Fall on Wikimedia Commons (Italian) Po River Basin Authority (Italian) Interregional (Veneto, Emilia-Romagna, Piedmont, Lombardy) office for the Po river (Italian) Sources of the Fall

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