Alfsee
| Alfsee | |
|---|---|
 |
|
| Country | Germany |
| Location | Osnabrück |
| Coordinates | 52°29′16″N 07°58′29″E / 52.48778°N 7.97472°ECoordinates: 52°29′16″N 07°58′29″E / 52.48778°N 7.97472°E |
| Opening date | 1971 |
| Dam and spillways | |
| Length | 320 m |
| Width (base) | 17 m |
| Reservoir | |
| Total capacity | 20 million m³ |
| Surface area | 2.2 km² |
The Alfsee is a reservoir in the north of the district of Osnabrück in the state of Lower Saxony in north Germany. It has an area of 2.2 km².
It acts as a flood retention basin for the catchment area of the Hase and as local recreational area.
The Alfsee is located in the north of Bramgau in Osnabrücker Land. It lies around 25 km north of the city of Osnabrück and 8 km north of Bramsche, southeast of the Ankum Heights. About 95% of its area belongs to the parish of Alfhausen to the west, after which the reservoir is named. The rest, a bay on the eastern side of the lake is in the parish of Rieste.
The water surface of the Alfsee covers 2.2 km² and its shore is about 7 km long. Its maximum north-south length is 2.88 km. From east to west the lake is up to 330 m across in the south and 1,350 m in the north. It has a capacity of 20 million m³ at a depth of 2 m.
Immediately to the south, where the artificially constructed conduit of the river Hase flows into the Alfsee lakes, there is a small auxiliary basin (Absetzbecken) in front of the actual reservoir, from which water flows into the lake via a roughly 330 m long overflow dam.
To the east the Alfsee borders on the small Dubbelausee, which is up to 400 m long in an east-west direction and up to 360 m long from north to south and set at a height of 37 m above sea level (NN).
Just to the northeast, as part of as small nature reserve there is a reserve basin (Reservebecken), which is up to 700 m long from north to south and a maximum of 425 m from east to west.
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Wikipedia