Judoma
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Judoma дома |
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 Location of the Judoma (Юдома) in the catchment area of the Aldan |
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| Data | ||
| Water code | RU : 18030600612117300032819 | |
| location | Khabarovsk Region , Sakha (Yakutia) Republic ( Russia ) | |
| River system | Lena | |
| Drain over | Maja → Aldan → Lena → Arctic Ocean | |
| source |
Suntar Chajata Mountains 62 ° 6 ′ 37 ″ N , 140 ° 34 ′ 31 ″ E |
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| Source height | approx. 1020 m | |
| muzzle |
Maja coordinates: 59 ° 9 '55 " N , 135 ° 14' 41" E 59 ° 9 '55 " N , 135 ° 14' 41" E |
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| Mouth height | 190 m | |
| Height difference | approx. 830 m | |
| Bottom slope | approx. 1.1 ‰ | |
| length | 765 km | |
| Catchment area | 43,700 km² | |
| Discharge at the Kurung-Targuyak A Eo gauge : 43,600 km² Location: 12 km above the mouth |
MQ 1944/1998 Mq 1944/1998 |
342 m³ / s 7.8 l / (s km²) |
| Left tributaries | Gorbi , Kjala | |
| Right tributaries | Akachan | |
| Navigable | 270 km | |
The Judoma ( Russian Юдома ) is a 765 km long right tributary of the Maja in northeast Siberia ( Russia , Asia ).
course
The Judoma arises at a height of over 1000 m south of the Suntar Chajata , a southeastern branch of the Verkhoyansk Mountains , from the source rivers Avlija and Nitkan . The left (eastern) source river Nitkan is the larger with a length of about 55 kilometers; it flows from a glacier of the Suntar Chajata at an altitude of over 2000 m .
First, the Judoma flows south in a wide valley parallel to the Judoma ridge , one of the highest parts of the Judoma Maja highlands . Then it turns in a westerly to southwesterly direction and flows in wide arcs through the above-mentioned highlands to its confluence with the Maja at a height of 190 m , a few kilometers above the village of Ust-Judoma on the right bank of the Maja . Near the mouth, the Judoma is over 300 meters wide, up to four meters deep, and the flow speed is 1.4 m / s.
The source and upper reaches of the river are located on the territory of the Khabarovsk Territory . In the middle reaches the Sakha Republic (Yakutia) , flows through its territory for a few kilometers and then forms the border between the two areas up to the confluence with the Maja.
The most important tributaries of the Judoma are from the right Akachan (length 154 km), from the left Gorbi (159 km) and Kjala (109 km).
Hydrography
The catchment area of the Judoma covers 43,700 km².
The Judoma freezes between mid-October and the second half of May, after which it leads to floods until September with a maximum in July. Not far from the estuary, the mean water flow is 342 m³ / s with a minimum of 3.7 m³ / s in March and a maximum of 1081 m³ / s in June.
Infrastructure
The lower 270 kilometers of the Judoma are navigable.
The area through which the Judoma flows is largely uninhabited; The only place on the river is the gold prospecting settlement (officially urban-type ) Jugorjonok , which had 813 inhabitants in 2006 (compared to 1870 in 1989), on the right (Yakut) river bank. The settlement is the end of a 300-kilometer-long unpaved road that starts from the settlement of Eldikan , north of the Ust-Maja district administrative center on the right bank of the Aldan . Otherwise there is no infrastructure whatsoever.
swell
- Judoma ( Memento from April 5, 2008 in the Internet Archive ) in the Yakutia Geographical Manual (website of the Ministry of Nature Conservation of the Republic of Sakha (Yakutia); Russian)
Individual evidence
- ↑ a b Judoma in the State Water Register of the Russian Federation (Russian)
- ↑ a b Article Judoma in the Great Soviet Encyclopedia (BSE) , 3rd edition 1969–1978 (Russian)
- ↑ a b Judoma at the Kurung-Targuyak gauge - hydrographic data at R-ArcticNET