Bolshoy Salym River

BW

The Great Salym (Russian Большой Салым / Bolshoi Salym ) is a 583 km long left tributary of the Ob in the West Siberian Plain in Russia.

Course

The Great Salym entfließt in about 95 m height one in this area, " Salymsumpf " ( Salymskoje Boloto ) mentioned wetland in the central part of the West Siberian Lowland. It flows along its entire length, always on the territory of Rajons Nefteyugansk of the Khanty-Mansi Autonomous Okrug, the lake-rich marsh and taiga in the north to north-westerly direction. He meanders strong.

The river meets almost 60 km west of the settlement Poikowski, 9 km before its confluence with the main branch of the southern Whether, on the leftmost Whether sidearm Bolschaja Juganskaja. Previously, it divides into three branches, in addition to the main branch of the Bolshoi Tschuswas to the right and the left Stariza.

Among the few major tributaries of the Great Salym include the Wandras and as the most important of which opens into the lower reaches of Little Salym ( Maly Salym ), both from the left. During the spring flood is one of several dozen square kilometers of territory at the mouth of the Little Salym and in the estuaries of the Great Salym to a lake.

Hydrographic

The catchment area of the Great Salym includes 18.1 thousand km ². In the lower reaches of the river reaches a width up to 200 m at a depth of 2 meters; The flow rate is 0.4 m / s

The water levels of the Great Salym reached at the mouth of an annual average of 120 m³ / s, at Lempino 65 km above the mouth and upstream of the confluence of the Little Salym still 69.4 m³ / s and at a minimum of 13.0 m³ / s in March a maximum of 225 m³ / s in May.

Infrastructure and economy

The river is navigable for 210 km, 100 km, inland waterways are now, however, from the mouth upstream.

The -carrying area is inhabited total of only thin. The only settlements are the urban-type settlement Salym, a few kilometers from the river located at Creek Wandras the middle reaches, and Lempino on the lower reaches. Both belong to Rajon Nefteyugansk. In Salym cross the railway line and the R404 regional road the river, Tyumen Surgut, Nizhnevartovsk and Novy Urengoy connect, also multiple pipelines. A branch of R404 to the capital of the Khanty-Mansiysk Autonomous Okrug crosses the lower reaches of the Great Salym above Lempino.

In the area of the middle and lower reaches of the Great Salym are significant oil deposits.