Morkoka River

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Course of Morkoka ( Моркока ) in the catchment of Wiljui

The Morkoka (Russian Моркока; Yakut Моркуока, Morkuoka ) is a 841 km long right tributary of the Marcha in Siberia (Russia, Asia).

Course

The Morkoka pours in 627 m height the lake Bajyttach (also Byjyttach ), which lies just north of the Arctic Circle on the means to Siberian mountains belonging Wiljuiplateau. It flows through this high country in southeastern, eastern directions later in a deeply incised into the plateau valley, from the middle reaches in wide arcs meandering, always on the territory of the Autonomous Republic of Sakha ( Yakutia). The river turns to the lower reaches to the northeast and finally ends in 148 m altitude in the there about the same width Marcha, a tributary of the Wiljui. The Morkoka is in estuary near about 200 meters wide, but only about a meter deep, and the flow rate is 0.7 m / s

The most important tributaries are from left Tangchan (length 131 km) and Morkoka - Marcharata (179 km).

Hydrographic

The catchment area of ​​32,400 km ² comprises Morkoka. The Morkoka freezes between the first of October and the second half of May.

Infrastructure and economy

The Morkoka is not navigable.

The through by her Bergland is largely uninhabited; accordingly lacks any infrastructure almost completely. In the middle reaches of the river on the only bridge from the road is crossed, connects the Lensk on the Lena about Mirny and Chernyshevsky on the embankment of the dam Wiljui with the northern centers of the diamond mining Aichal and Udatschny. The Wiljui Dam is 190 kilometers south, Aichal 180 km north of Morkokaquerung where the only small settlement located on the river.