The Nelgese ( rus, Нельгесе; sah, Нэльгэһэ, ''Nelgehe'') is a river in the Republic of
Sakha
Sakha, officially the Republic of Sakha (Yakutia),, is the largest republic of Russia, located in the Russian Far East, along the Arctic Ocean, with a population of roughly 1 million. Sakha comprises half of the area of its governing Far Eas ...
in
Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
. It is a left hand tributary of the
Adycha, of the
Yana
Yana may refer to:
Locations
*Yana, Burma, a village in Hkamti Township in Hkamti District in the Sagaing Region of northwestern Burma
*Yana, India, a village in the Uttara Kannada district of Karnataka, India
* Yana, Nigeria, an administrative ca ...
basin. It is long, with a
drainage basin
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, t ...
of .
The river flows across a desolate area of severe climate, with continuous
permafrost
Permafrost is ground that continuously remains below 0 °C (32 °F) for two or more years, located on land or under the ocean. Most common in the Northern Hemisphere, around 15% of the Northern Hemisphere or 11% of the global surface ...
.
Course
The Nelgese is the longest tributary of the Adycha. It begins between two high ranges of the
Verkhoyansk Range
The Verkhoyansk Range (russian: Верхоянский хребет, ''Verkhojanskiy Khrebet''; sah, Үөһээ Дьааҥы сис хайата, ''Üöhee Chaangy sis khaĭata'') is a mountain range in the Sakha Republic, Russia near the settle ...
, running approximately from north to south to the west of the
Khunkhadin Range. It heads roughly north across the
Yana Plateau
The Yana Plateau ( rus, Янское плоскогорье, sah, Дьааҥы хаптал хайалара) is a mountain plateau in the Sakha Republic, Far Eastern Federal District, Russia.Google Earth
The plateau lies in an uninhabited area ...
of the
Yana-Oymyakon Highlands
The Yana-Oymyakon Highlands ( rus, Яно-Оймяконское нагорье; sah, Дьааҥы хаптал хайалара), also known as Oymyakon Highlands ( rus, Оймяконское нагорье),Soviet General Topographic Maps P-5 ...
in a wide, swampy area dotted with ancient lakes. Then it turns northeast between the
Nelgesin Range
The Nelgesin Range ( rus, Нельгесинский хребет) is a mountain range in the Sakha Republic (Yakutia), Far Eastern Federal District, Russia. The nearest city is Batagay to the north of the range.
The nearest airport is Batagay ...
and the
Tirekhtyakh Range
The Tirekhtyakh Range ( rus, Тирехтяхский хребет; sah, Тирэхтээх) is a mountain range in the Sakha Republic (Yakutia), Far Eastern Federal District, Russia. The nearest city is Batagay to the north of the range.
The ...
, flowing through a narrow valley before it joins the Adycha 78 km downstream from the mouth of the
Derbeke
The Derbeke ( rus, Дербеке; sah, Дэрбэкэ) is a river in the Republic of Sakha in Russia. It is a left hand tributary of the Adycha, of the Yana basin. It is long, with a drainage basin of .
It is an excellent river for boating, ...
and 13 km upstream from the mouth of the
Charky
The Charky (russian: Чаркы; sah, Чаркы), also known as Muolakaan (Муолакаан), is a river in the Republic of Sakha in Russia. It is a right hand tributary of the Adycha, of the Yana basin. It is long, with a drainage basin of ...
.
The Nelgese has many tributaries. The main ones are the Sordong and the Kordekan; the latter is the only one exceeding in length. The river freezes in late September or early October and is under thick ice until the end of May.
Hydrology
Average monthly flow of the Nelgese based on data collected between 1967 and 1997.
[Statistics on the R-ArcticNET website ]
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See also
*
List of rivers of Russia
Russia can be divided into a European and an Asian part. The dividing line is generally considered to be the Ural Mountains. The European part is drained into the Arctic Ocean, Baltic Sea, Black Sea, and Caspian Sea. The Asian part is drained into ...
*
Yana-Oymyakon Highlands§Hydrography
References
{{Reflist
Rivers of the Sakha Republic
Verkhoyansk Range