The Derba (), also known as Derbe (; , ''Cerbe'') or Dzherba (), is a river in
Yakutia
Sakha, officially the Republic of Sakha (Yakutia), is a republics of Russia, republic of Russia, and the largest federal subject of Russia by area. It is located in the Russian Far East, along the Arctic Ocean, with a population of one million ...
(Sakha Republic),
Russia
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
. It is a tributary of the
Lena with a length of — counting the Mas-Turukhtaakh at its head— and a
drainage basin
A drainage basin is an area of land in which 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, ...
area of .
The river flows across an uninhabited area of the
Lensky District.
Course
The Derba is a left
tributary
A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...
of the Lena. It is formed at the confluence of the Kyuyokh-Ottakh (Кюёх-Оттоох) and Mas-Turukhtaakh (Мас-Турухтаах) rivers in the eastern fringes of the
Central Siberian Plateau
The Central Siberian Plateau (; ) is a vast mountainous area in Siberia, one of the Great Russian Regions.
Geography
The plateau occupies a great part of central Siberia between the Yenisei and Lena rivers. It is located in the Siberian Plat ...
, to the south of the basin of the
Vilyuy. The river heads in a roughly southern direction across
taiga
Taiga or tayga ( ; , ), also known as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces, and larches. The taiga, or boreal forest, is the world's largest land biome. In North A ...
areas dotted with lakes. In its lower course it flows to the east of the
Nyuya as it reaches the Lena
floodplain
A floodplain or flood plain or bottomlands is an area of land adjacent to a river. Floodplains stretch from the banks of a river channel to the base of the enclosing valley, and experience flooding during periods of high Discharge (hydrolog ...
and flows slowly in a swampy area. Finally it meets the Lena from its mouth, east of the mouth of the Nyuya.
Google Earth
Google Earth is a web mapping, web and computer program created by Google that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satelli ...
The largest tributaries of the Derba are the long
Ergedey (Эргэдьэй) and the long Dyukta that join it from the left. There are 330 lakes in its basin. The Derba freezes yearly between October and May.
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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 i ...
References
External links
Fishing & Tourism in Yakutia
{{Portal bar, Russia
Central Siberian Plateau
Rivers of the Sakha Republic