Stederau
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Stederau Bokeler Bach, Aue |
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 The Stederau (blue), its course up to the confluence with the Gerdau (= Ilmenau) |
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| Data | ||
| Water code | EN : 594 | |
| location | Lower Saxony , Germany | |
| River system | Elbe | |
| Drain over | Ilmenau → Elbe → North Sea | |
| source | In the northern district of Gifhorn , approx. 2 km west of Bokel 52 ° 48 ′ 38 ″ N , 10 ° 31 ′ 21 ″ E |
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| Source height | 90 m above sea level NHN | |
| muzzle | At Uelzen in the Ilmenau coordinates: 52 ° 56 '52 " N , 10 ° 33' 13" E 52 ° 56 '52 " N , 10 ° 33' 13" E |
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| Mouth height | 35 m above sea level NHN | |
| Height difference | 55 m | |
| Bottom slope | 1.6 ‰ | |
| length | 35 km | |
| Catchment area | 347.6 km² | |
| Left tributaries | Diekrönne, Fahrbach, Bollenser Graben, Eisenbach | |
| Right tributaries | Höckerbach, Osterbach, Seehalsbeeke, Esterau | |
| Flowing lakes | Park lake | |
| Communities | Bokel , Röhrsen , Lüder , Bad Bodenteich , Wieren , Bollensen, Stederdorf , Niendorf II | |
 In Bad Bodenteich, the river called Aue widens to the park lake. |
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The Stederau is the 35 km long, right or eastern source river of the Ilmenau in Lower Saxony ( Germany ). In its course the river changes its name several times. The Stederau is considered to be moderately polluted ( water quality class II). The bottom of the river is mostly sandy with gravel deposits. T. mud off.
course
The river rises as the Bokeler Bach in the southeast of the Hohe Heide , in the extreme north of the Gifhorn district near the hamlet of Günne . Here, on the upper reaches, it is developed like a trench. The Bullenkuhle , a bog, is located near the source .
The stream initially flows in an easterly direction and, behind the village of Bokel, crosses the district boundary to the district of Uelzen . Here he changes his name to Röhrser Bach for the first time . The body of water is called Aue after the village of Röhrsen . From the village of Lüder , the floodplain changes the main direction of flow from east to north and crosses under the Elbe Side Canal for the first time by means of a culvert . In the south of Bad Bodenteich , the floodplain widens into a park lake . At Wieren it crosses under the Stendal-Bremen railway line (“ Amerikalinie ”) together with a cycle path , from here the course mainly points to the northwest. In the area of the southern outer port of the Esterholz lock , the river crosses a tunnel under the Elbe Side Canal a second time, in order to change the name again from the village of Stederdorf , in Stederau . In the village of Niendorf II there is a measuring station (Niendorf II-S) of the water management office. In Veerßener forest two kilometers from the center of Uelzen, which Stederau forms by the confluence with the Gerdau the Ilmenau .