Yaya River

Course of Jaja ( Яя ) in the catchment of Chulym

The 380 km long Jaja (Russian Яя ) is a left tributary of the Chulym in Siberia (Russia, Asia).

The Jaja rises near the settlement Jaschkino in the northwest of Kemerovo Oblast, flows first east, then to the recording of their right tributary Barsas partly strongly meandering through the southeastern part of the West Siberian Plain to the north. In the settlement Jaja the river is crossed by the Trans-Siberian Railway, and finally about 10 km above the city Assino ( Tomsk Oblast ) in the Chulym to lead (95 m).

The catchment area covers 11,700 km ². The average monthly water supply in the village Semjonowka, 22 km above the mouth, is 82.7 m³ / s ( minimum in March: 11,5 m³ / s, maximum in May: 500 m³ / s). The river there is 108 m wide and 0.7 m deep; The flow rate is 0.4 m / s

The Jaja freezes from late November to April.

It is not regularly used from the mouth area of ​​114 km navigable ( to the village Nowostroika below the confluence of the left tributary Kitat ), is used for inland navigation.

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