Maina is a river in Russia , flows in the Ulyanovsk region and Tatarstan . Left tributary of the Volga .
| Lane | |
|---|---|
| tat. Lane | |
| Characteristic | |
| Length | 62 km |
| Pool | 1210 km² |
| Watercourse | |
| Source | |
| • Location | east of s. Iske Ryazap |
| • Height | 130 m |
| • Coordinates | |
| Mouth | Kuibyshev reservoir |
| • Location | 1669 km on the left bank |
| • Height | 53 m |
| • Coordinates | |
| River slope | 1.3 m / km |
| Location | |
| Water system | Kuibyshev reservoir → Volga → Caspian Sea |
| A country |
|
| Regions | Ulyanovsk Region , Tatarstan |
| Areas | Melekessky district , Staromainsky district , Spassky district |
| HWR code | |
Description
The river is 62 [2] km long (of which 14.4 km are in Tatarstan).
The source of the river is 4 km east of the village of Iske-Ryazap of the Spassky district of Tatarstan [3] . It falls into the Staromainsky Bay of the Kuibyshev Reservoir in the Ulyanovsk Region at an altitude of 53 meters above sea level [4] .
The channel is very winding. It flows through the forest along a large extent.
Only two villages are located on the river - Old Rozhdestveno and Lesnoye Nikolskoye (both in the Staromainsky district of the Ulyanovsk region) [4] [3] .
Feature
Maina has 8 tributaries, the largest of which are Krasnaya (28.3 km), Kandalka (20 km) [4] , Tinarka (15 km). The density of the river network of the basin is 0.13 km / km², 26% of its territory is covered by forest.
The nature of the water supply is mixed, mostly snowy. Underground power module 1-3 l / s ∙ km². The average long-term annual runoff layer in the basin is 84 mm; the flood runoff layer is 64 mm. Spring flood usually begins at the end of March. Ledostav in the first decade of November. The average long-term low-water flow at the mouth is 0.068 m³ / s.
The water is moderately hard (3-6 mEq / l) in spring, very hard (9-12 mEq / l) in winter and summer. Total mineralization is 100-200 mg / l in spring, 500-700 mg / l in winter and summer [5] .
Water registry data
According to the state water register of Russia, it belongs to the Lower Volga Basin District , the water sector of the river, the Kuibyshev reservoir, from the urban-type settlement Kamskoye Ustye to the Kuibyshev hydroelectric complex , without the Bolshoi Cheremshan River , there is no river sub-basin - the sub-basin. The river basin is the Volga from the upper Kuibyshev reservoir to the confluence with the Caspian.
The code of the object in the state water registry is 11010000512112100004581 [2] .
Notes
- ↑ Surface Water Resources of the USSR: Hydrological Understanding. T. 12. Lower Volga and Western Kazakhstan. Vol. 1. Lower Volga / ed. O. M. Zubchenko. - L .: Gidrometeoizdat, 1966 .-- 287 p.
- ↑ 1 2 State Water Register of the Russian Federation: Main .
- ↑ 1 2 Map sheet N-39-52 Tiinsk . Scale: 1: 100,000. State of the terrain for 1987. 1993 edition
- ↑ 1 2 3 Map sheet N-39-51 Bol Shackle . Scale: 1: 100,000. State of the terrain for 1985. 1993 edition
- ↑ Catalog of RT toponyms: Maina .