Someș River

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Someș (Szamos)
RO SJ Raul Somes la Letca (2).JPG
Someș River at Letca, Sălaj County
File:Raul Somes.png
Someș River highlighted in fuchsia
Origin Confluence of Someșul Mare and Someșul Mic
Mouth Tisza
Basin countries Romania, Hungary
Etymology Dacian word Samus ("agitated", "whirling", "piebald")
Length 465 km (289 mi)
Source elevation 1,402 m (4,600 ft)
Mouth elevation 122 m (400 ft)
Avg. discharge 210 m3/s (7,400 cu ft/s)
Basin area 15,740 km2 (6,080 sq mi)
Lakes and reservoirs 7[1]
Cities Năsăud, Sângeorz-Băi, Dej, Cluj-Napoca, Jibou, Satu Mare, Ulmeni

Someș River (Romanian pronunciation: [ˈsomeʃ]; Hungarian: Szamos; German: Somesch or Samosch), located in northwestern Romania, is a left tributary of the Tisza in Hungary. It has a length of over 465 km, of which 376 km are in Romania.[2] The Someș is the fifth river as length and debit in Romania.[3] The hydrographic basin forms by the confluence at Mica, a commune about 4 km upstream of Dej, of Someșul Mare and Someșul Mic rivers. Someșul Mic (formed by the confluence of Someșul Rece with Someșul Cald) originates in the Apuseni Mountains, and Someșul Mare springs from the Rodna Mountains.[4]

Someșul Mare has a length of 130 km and an area of 5,033 km2 and a slight asymmetry in favor of the left side of the basin.[5] For the entire basin of Someș, the asymmetry on left becomes pronounced between Dej and Ardusat to change in the opposite direction after receiving Lăpuș River on the right side. The valley of Someșul Mare has much auriferous alluvium that, until the early 20th century, were brought to the surface using traditional tools. Specialists say that in the Someșul Mare were found grains of gold of 21 carats.[6]

Someș River drains a basin of 15,740 km2, comprising 403 rivers with a total length of 5,528 km, or 7% of the total length of the country. Basin area represents 6.6% of the country area and 71% of the area of Someș–Tisza hydrographic basin.[5]

To prevent flooding, the Someș River is dammed in the lower course. In the spring of 1970, due to heavy rains, the Someș River flooded part of Satu Mare and surrounding plains. The debit exceeded 3,300 m3/s from the annual average of 210 m3/s.[7]

References

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