The Mrassu or Mras-Su (Russian: Мрассу́[1] or Мрас-Су́,[2] Shor: Прас, Пырас, Пырас-суғ, romanized: Pras, Pıras, Pıras-suq) is a river in Kemerovo Oblast, Russia. It is a left tributary of the Tom (in the Ob's drainage basin), and has its sources in the Abakan Range. It is 338 kilometres (210 mi) long, with a drainage basin of 8,840 square kilometres (3,410 sq mi).[2] The Mrassu joins the Tom near Myski.

Mrassu
A photograph of the Mrassu
Map
Location
CountryRussia
Physical characteristics
MouthTom
 • coordinates
53°44′55″N 87°47′55″E / 53.7486°N 87.7986°E / 53.7486; 87.7986
Length663 km (412 mi)
Basin size17,600 km2 (6,800 sq mi)
Basin features
ProgressionTomObKara Sea

The Mrassu freezes from mid-November to April. The water flow at Myski averages at 155 square meters per second (1668 ft3/sec) every year with a minimum of 24.4 m3/sec (262 ft3/sec) in February and a maximum of 694 m3/sec (7470 ft3/sec) in May.[3]

References

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  1. ^ Словарь названий гидрографических объектов России и других стран — членов СНГ, Federal Service for Geodesy and Cartography of Russia, 1999, p. 255
  2. ^ a b "Река Мрас-Су (Акмрас) in the State Water Register of Russia". textual.ru (in Russian).
  3. ^ "Mras-Su At Mysky". www.r-arcticnet.sr.unh.edu. Retrieved 2024-10-18.