Markha River (Lena)

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Location of the Marcha ( Марха ) centrally located in the catchment area of ​​the Lena

The Marcha (Russian Марха ) is a 346 km long left tributary of the Lena in Siberia (Russia, Asia). It is not to be confused with the same name, and much longer, flowing north and opens into the Lena Creek Wiljui Marcha.

Course

The Marcha entfließt in 328 m height on the Lena Plateau northwest of the village Tuobuja the lake Tuossurdjan. In the upper reaches it flows through five small lakes ( Oimogos, Tuobuja, Emperjatschtschi, Menjaji, Ljuksjugjun ). In its further course mainly in the south, the river cuts deeper into the surrounding plateau one - from the middle reaches over 200 meters with steep rocky banks and spread. He meandering sections strongly, first in narrow, later in wide arcs and finally ends at the village of Marcha in 112 m altitude in the Lena. The Marcha is in estuary near about 30 feet wide, three feet deep, and the flow velocity is 1.0 m / s Throughout their history, the Marcha flows on the territory of the Autonomous Republic of Sakha ( Yakutia).

Hydrographic

The catchment area of ​​8910 km ² comprises Marcha. The most significant inflow is from the right Namyldschylach.

The Marcha freezes from October to May; to June it follows persistent spring flood during snowmelt. The average monthly water flow in estuary near is 20.8 m³ / s ( maximum in May with 135 m³ / s).

Infrastructure

The Marcha is not navigable.

In addition to the villages Tuobuja in source and Marcha in estuary near there along the river only a few small villages and virtually no infrastructure. There are no bridges over the river.