Dyoma River
The Djoma at Botschkarjowka
Position of Djoma ( Дёма ) in the catchment area of the Belaya
The Djoma (Russian Дёма; Bashkir Дим / Dim ) is a 535 km long left tributary of the Belaya west of the Urals in Russia.
Course
The Djoma rises at an altitude of about 390 m at the northwest end of the ridge Obschtschi Syrt, at its transition to Bugulma - Belebeier ridge, some 60 kilometers northwest of the city Meleuz in the southwest of Bashkortostan. It flows initially in a south-westerly direction, reached the Orenburg Oblast and turns into a wide valley to the northwest. After several dozen kilometers of the river takes a northerly direction to a north-eastern reaches back Bashkortostan and cuts through the ridge again. After that, the river valley widens again. As of the middle reaches of the river meanders strong and has left a large number of old branches.
The Djoma opens at the southwest edge of the Republic capital and metropolis of Ufa in the Kama - Belaya Creek ( Agidel ). The few miles away Situated to the left of Belaya and Djoma, formerly independent district after the river carries the name Djoma. Until the construction of the railway line Samara - Ufa - Zlatoust - Chelyabinsk end of the 19th century, which was part of the original route and today's southern route of the Trans-Siberian Railroad little later, led the Djoma several kilometers below. To have only build a railway bridge over the Belaya, an approximately one kilometer-long artificial river section was created by the Djoma since then opens above the bridge.
Larger tributaries does not have the Djoma; the most important are Sadak, Meneus and kursak from left and Tjater and Ujasy from the right. In addition to Ufa lie on the river the large village Rajewski, the city Dawlekanowo and a few kilometers away, the urban-type settlement Tschischmy.
Hydrographic
The catchment area of 12,800 km ² comprises Djoma. On underflow, it is about 70 meters wide and about two feet deep; where the flow rate is 0.5 m / s The mean river discharge at the mouth is 35 m³ / s
Economy and infrastructure
The Djoma is not navigable. It flows through predominantly agricultural area.
In the area of Orenburg Oblast the left side of the river follows the highway 1R239 connecting Kazan on Tschistopol and Bugulma with Orenburg. Ufa - - From the middle reaches above Rajewski the railway line Samara Chelyabinsk follows the course of the Djoma, on short sections also close to the river. Near Ufa cross inter alia, the railway Ufa - Orenburg and the southern bypass around Ufa over the M5 highway the river.