Zelvyanka

from Wikipedia, the free encyclopedia
Selvyanka,
Belarusian Зэльвянка , Polish Zelwianka
The Selvyanka near Selwa

The Selvyanka near Selwa

Data
location Hrodsenskaja Woblasz , Breszkaja Woblasz ( Belarus )
River system Memel
Drain over Memel  → Baltic Sea
muzzle at Masty in the Memel coordinates: 53 ° 24 ′ 9 ″  N , 24 ° 32 ′ 17 ″  E 53 ° 24 ′ 9 ″  N , 24 ° 32 ′ 17 ″  E

length 170 km
Catchment area 1940 km²
Left tributaries Saswa , Mjaschtouka , Kipjatka , Samarauka , Juchnauka
Right tributaries Schtschyba , Ruschanka , Iwanauka , Akouka
Reservoirs flowed through Selwenska reservoir
Medium-sized cities Masty
Small towns Selwa

The Selvyanka ( Belarusian Зэльвянка , Polish Zelwianka ) is a river in Belarus that flows into the Memel .

The Selvyanka is 170 km long and its catchment area is 1940 km². The annual runoff of water in the area of ​​the mouth is about 11 m³ / s, the average gradient is 0.4 ‰.

geography

course

The river runs through Hrodsenskaja Woblasz and Breszkaja Woblasz and flows into the Memel on the left.

The source of the Selvyanka is located in the southern part of the Vaukawysky Hill ( Belarusian Ваўкавыскае ўзвышша ). It breaks through the upper part of the hill in a northerly direction and supplies the Selwenska reservoir (Transl. Selwenskaje wadaschowishcha - Belarusian Зэльвенскае вадасховішча ) with an area of ​​11.9 km². It flows into the Memel lowlands (Transl. Njomanskaja nisina - Belarusian Нёманская нізіна ) in the city of Masty in the Memel.

The valley is shaped like a trapezoid, with a width increasing from 0.5 to 3–4 km downstream. There are muddy, often smooth floodplains that are up to 2.5 km wide, in the middle and lower reaches more than 0.4–0.6 km wide. The bed is twisted, its width at low tide is 15-20 m. The river is canalized over a length of 44.2 km.

Lower course of the Selvyanka near Pazevichi

Tributaries

environment

There are some floodplain areas that have been recultivated. The river freezes over from the end of December, the ice layer opens again in mid-March.

Individual evidence

  1. a b Блакітная кніга Беларусі: энцыкл. / Рэдкал .: Н. А. Дзiсько i iнш. - Мн .: БелЭн, 1994. - 415 с.
  2. Природа Белоруссии: Попул. энцикл. / БелСЭ; Редкол .: И. П. Шамякин (гл.ред.) И др. - Мн .: БелСЭ, 1986. - 599 с., 40 л. ил.