The Moma (russian: Мома; sah, Муома) is a river in
Yakutia
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 ...
, a right tributary of the
Indigirka. The length of the river is , the area of its drainage basin is .
The extinct
cinder cone
A cinder cone (or scoria cone) is a steep conical hill of loose pyroclastic fragments, such as volcanic clinkers, volcanic ash, or scoria that has been built around a volcanic vent. The pyroclastic fragments are formed by explosive eruptions o ...
volcanoes
Balagan-Tas
Balagan-Tas ( sah, Балаҕан Таас, russian: Балаган-Тас) is a cinder cone volcano in Russia. It was discovered by V.A. Zimin in 1939 and is one of the main features of the Moma Natural Park. Description
This volcano is located i ...
and
Uraga-Tas are some of the main features of the
Moma Natural Park
Moma Natural Park or Moma Nature Park (russian: Момский природный парк, ''Momsky Pryrodny Park''; sah, Аан Айылгы, ''Aan Aiylgy'') is a protected area of the Momsko-Chersk Region of Yakutia in the upper part of the Mo ...
.
Moma Natural Park Official site
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Course
The Moma originates from Lake Sisyktyah on the northern slope of the Ulakhan Chistay Range
The Ulakhan-Chistay Range (russian: Улахан-Чистай; sah, Улахан Чыыстай сис) is a range of mountains in far North-eastern Russia. Administratively the range is part of the Sakha Republic of the Russian Federation.''Ula ...
, the highest subrange of the Chersky Range
The Chersky Range (, ) is a chain of mountains in northeastern Siberia between the Yana River and the Indigirka River. Administratively the area of the range belongs to the Sakha Republic, although a small section in the east is within Magadan ...
.[''Ulakhan Chistay'' / ]Great Soviet Encyclopedia
The ''Great Soviet Encyclopedia'' (GSE; ) is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Bolshaya rossiyskaya e ...
; in 35 vols. / Ch. ed. Yu. S. Osipov. 2004—2017. The river flows in the wide intermontane basin
Intermontane is a physiographic adjective formed from the prefix " inter-" (''signifying among, between, amid, during, within, mutual, reciprocal'') and the adjective "montane" (inhabiting, or growing in mountainous regions, especially cool, moi ...
separating the Ulakhan Chistay Range from the Moma Range
The Moma Range (russian: Момский хребет, ''Momsky Khrebet''; sah, Муома сиһэ) is a range of mountains in far North-eastern Russia. Administratively the range is part of the Sakha Republic of the Russian Federation.''Momsky ...
in the north and flows into the Indigirka about from its mouth.[
There are black coal deposits in the river basin. The district centre – the village of ]Khonuu
Khonuu (russian: Хонуу; sah, Хонуу, ''Xonuu'') is a rural locality (a '' selo'') and the administrative center of Momsky District in the Sakha Republic, Russia, located on the right bank of the Indigirka River. Population:
Geography
K ...
– is located at the mouth of the river.
Etymology
The name comes from the Evenki language
Evenki (Ewenkī), formerly known as Tungus or Solon, is the largest member of the northern group of Tungusic languages, a group which also includes Even, Negidal, and the more closely related Oroqen language. The name is sometimes wrongly given ...
, “мома” means "wood, timber, tree". This is the name for the rivers with steep, easy to wash banks that crumble together with trees growing on them, cluttering the river bed.
Hydrology
Rain, snow and ice feed the river. It freezes in October, the ice breaks up in late May – early June. In the middle and lower courses the river bed abounds rocky rapids, icing is typical. The average annual water consumption – from the mouth – is . The river is not navigable.
See also
* Balagan-Tas
Balagan-Tas ( sah, Балаҕан Таас, russian: Балаган-Тас) is a cinder cone volcano in Russia. It was discovered by V.A. Zimin in 1939 and is one of the main features of the Moma Natural Park. Description
This volcano is located i ...
References
Rivers of the Sakha Republic
{{Russia-river-stub