Adycha
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Adycha Adycha |
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 Location of the Adycha (Адыча) in the catchment area of the Jana |
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| Data | ||
| Water code | RU : 18040200112117700011357 | |
| location | Sakha Republic (Yakutia) ( Russia ) | |
| River system | Jana | |
| Drain over | Jana → Arctic Ocean | |
| source | in the Tscherski Mountains 65 ° 35 ′ 36 ″ N , 140 ° 11 ′ 2 ″ E |
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| Source height | approx. 1900 m | |
| muzzle | in the Jana coordinates: 68 ° 13 '2 " N , 134 ° 46' 13" E 68 ° 13 '2 " N , 134 ° 46' 13" E |
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| Mouth height | 108 m | |
| Height difference | approx. 1792 m | |
| Bottom slope | approx. 2.5 ‰ | |
| length | 715 km | |
| Catchment area | 89,800 km² | |
| Discharge at the gauge Yurduk-Kumakh A Eo : 89,600 km² Location: 26 km above the mouth |
MQ 1937/1999 Mq 1937/1999 |
512 m³ / s 5.7 l / (s km²) |
| Left tributaries | Derbeke , Nelgesse , Borulach | |
| Right tributaries | Delakag , Tscharky , Tuostach | |
The Adytscha ( Russian Адыча ; in the upper reaches also Borong (Боронг), in the lower reaches also Adyatschi or Adyatschtschi (Адыаччи)) is a 715 km long right tributary of the Jana in Siberia ( Russia , Asia ).
The river has its source in the Cherski Mountains at an altitude of almost 2000 m, leaves the mountains in a north-westerly direction and then flows between it and the Verkhoyansk Mountains in a wide valley to the north and flows northeast of Verkhoyansk into the Jana. Near the mouth, the Adytscha is 360 m wide and 4.4 m deep; the flow velocity is 1.1 m / s, the mean water flow (MQ) 485 m³ / s.
The catchment area of the Adytscha covers 89,800 km² and lies entirely on the territory of the Sakha Republic (Yakutia) . The most important tributaries are Delakag (Делакаг), Tscharky (Чаркы) and Tuostach (Туостах) from the right, and Derbeke (Дербеке), Nelgesse (Нельгесе) and Borulach (Борулах) from the left.
The landscape on the Adytscha is dominated by boreal coniferous forests (taiga) and mountain or forest tundra . The river is ice-covered from October to the end of May. The river freezes to the bottom between one and 4½ months.
swell
- Soviet General Staff Map 1: 200,000. Sheets Q-53-III, IV; Q-53-IX, XX; Q-53-XI, XII; Q-53-XVII, XVIII; Q-53-XXXIII, XXXIV; Q-54-XIX, XX; Q-54-XX, XXI; R-53-XXXIII, XXXIV.
Individual evidence
- ↑ a b Article Adytscha in the Great Soviet Encyclopedia (BSE) , 3rd edition 1969–1978 (Russian)
- ↑ a b Adytscha in the State Water Register of the Russian Federation (Russian)
- ↑ Adytscha at the Yurduk-Kumakh gauge - hydrographic data from R-ArcticNET