Tolka (Taz)

Tolka
Толька / Толь-кы
Lower course of the Tolka ONC map section
Tolka (Taz) is located in Yamalo-Nenets Autonomous Okrug
Tolka (Taz)
Mouth location in Yamalo-Nenets Autonomous Okrug, Russia
Location
CountryRussia
Physical characteristics
Source 
 • locationSiberian Uvaly
 • coordinates63°12′44″N 80°48′39″E / 63.21222°N 80.81083°E / 63.21222; 80.81083
 • elevation138 metres (453 ft)
MouthTaz
 • coordinates
64°02′52″N 81°56′46″E / 64.04778°N 81.94611°E / 64.04778; 81.94611
 • elevation
25 metres (82 ft)
Length391 km (243 mi)
Basin size13,300 km2 (5,100 sq mi)
Discharge 
 • average125 m3/s (4,400 cu ft/s)
Basin features
ProgressionTaz → Kara Sea

The Tolka (Russian: Толька; Selkup: Толь-кы) is a river in the Yamalo-Nenets Autonomous Okrug, Russia. It has a length of 391 kilometres (243 mi) and a drainage basin area of 13,300 square kilometres (5,100 sq mi).[1]

The river flows north of the Arctic Circle, across territories of the Krasnoselkupsky District marked by permafrost and swamps.[2][3]

Course

The Tolka is one of the main tributaries of the Taz. It is formed in the Siberian Uvaly hills, at the confluence of rivers Ai-Emtoryogan and Pyantymyogan. In its upper course the river heads roughly westwards across the tundra. After a long stretch it bends and meanders in a northeastern direction. Finally, south of the shore of lake Lake Chyortovo (Lozil-To), it bends eastwards, meandering until it meets the left bank of the Taz 723 km (449 mi) from its mouth in the Taz Estuary of the Kara Sea.[2][4][3]

Tributaries

The main tributaries of the Tolka are the 141 km (88 mi) long Varky-Chyuelky (Варкы-Чюэлькы) and the 141 km (88 mi) long Kypa-Kelilky (Кыпа-Кэлилькы) on the left. There are numerous lakes and swamps in its basin, the largest of which are lakes Chyortovo and Pyurmato. The river is frozen between mid October and mid May.[2][5][1]

See also

References

  1. ^ a b "Река Толька in the State Water Register of Russia". textual.ru (in Russian).
  2. ^ a b c "P-43_44 Topographic Chart (in Russian)". Retrieved 11 June 2022.
  3. ^ a b Google Earth
  4. ^ "Q-43_44 Topographic Chart (in Russian)". Retrieved 11 June 2022.
  5. ^ Информационный, образовательный, культурный центр города Губкинского Ямало-Ненецкого автономного округа


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