Yassachnaya

Yasachnaya River Ясачная
Catchment area of ​​the Kolyma and course of the Yassachnaja
Data
Water code	RU :  19010100412119000032359
location	Magadan Oblast , Sakha Republic (Russia)
River system	Kolyma
Drain over	Kolyma  → Arctic Ocean
source	in the Tscherski Mountains 63 ° 16 ′ 56 ″  N , 150 ° 46 ′ 57 ″  E
muzzle	at Syrjanka in the Kolyma coordinates: 65 ° 43 '53 "  N , 150 ° 54' 40"  E 65 ° 43 '53 "  N , 150 ° 54' 40"  E
length	490 km (total length including the source river Right Yassachnaya)
Catchment area	35,900 km²
Discharge at the Nelemnoye A Eo gauge : 32,000 km² Location: 80 km above the mouth	NNQ (April 1983) MNQ 1972/1988 MQ 1972/1988 Mq 1972/1988 MHQ 1972/1988 HHQ (June 1985)	8.44 m³ / s 17.8 m³ / s 329 m³ / s 10.3 l / (s km²) 1222 m³ / s 3170 m³ / s
Left tributaries	Left ( Levaja) Jassatschnaja , Ergen , Supkanja (Sunkanja) , Elgentschek , Isuldi (Iguldi) , Tscherbynja , Omuljowka , Olguja , Rassocha , Gonjucha
Right tributaries	Iryudi , Songus , Chalbyga
Communities	Syrjanka
Navigable	55 km from the mouth to Nelemnoye

The Yassachnaja ( Russian Ясачная , Yakut Дьаһаак ) is a left tributary of the Kolyma in Siberia ( Russia , Asia ). Together with its source river Rechts Jassatschnaja ( Правая Ясачная , Prawaja Jassatschnaja) it has a length of 490 km.

The Jassachnaja rises in the eastern foothills of the Chersky Mountains in Magadan Oblast and, after leaving the mountains, flows through the Kolyma lowlands in the east of the Sakha Republic (Yakutia) . In the lower reaches it forms river arms and finally flows into the Kolyma at the settlement Syrjanka .

The catchment area covers 35,900 km². The mean monthly water flow at Nelemnoye (55 km, according to other data 80 km above the mouth) is 329 m³ / s (minimum in March: 17.8 m³ / s, maximum in June: 1,222 m³ / s). The river is mainly fed by meltwater and is frozen from October to late May / early June.

The Yassachnaja is navigable from the mouth to Nelemnoye (55 km and 80 km respectively).

The main tributaries are Omuljowka (Russian Омулёвка ), Olguja ( Олгуя ), Rassocha ( Рассоха ) and Gonjucha ( Гонюха ), all from the left.

Individual evidence

1. ↑ ^{a b c d} Article Jassachnaja in the Great Soviet Encyclopedia (BSE) , 3rd edition 1969–1978 (Russian)http: //vorlage_gse.test/1%3D128571~2a%3D~2b%3DJassatschnaja
2. ↑ ^{a b c d} Yassachnaja in the State Water Register of the Russian Federation (Russian)
3. ↑ Jassachnaja at the Nelemnoje gauge - hydrographic data from R-ArcticNET
4. ↑ ^{a b} List of inland waterways of the Russian Federation (confirmed by Order No. 1800 of the Government of the Russian Federation of December 19, 2002) (Russian)