Kulkegraben
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Kulkegraben Kulkebach |
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 The Kulkegraben at the Fischerbrücke on the outskirts of Leiferdes in autumn 2014. |
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| Data | ||
| Water code | DE : 48273 | |
| location | Lower Saxony , Germany | |
| River system | Weser | |
| Drain over | Oker → Aller → Weser → North Sea | |
| source | Eastern slope of Thieder Lindenberg 52 ° 11 ′ 17 ″ N , 10 ° 30 ′ 4 ″ E |
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| Source height | 80 m | |
| muzzle |
Leiferde (Braunschweig) Coordinates: 52 ° 12 '43 " N , 10 ° 30' 44" E 52 ° 12 '43 " N , 10 ° 30' 44" E |
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| Mouth height | 74 m | |
| Height difference | 6 m | |
| Bottom slope | 1.6 ‰ | |
| length | 3.8 km | |
| Big cities | Braunschweig | |
 Historical mapping of the Mühlenkulk in Leiferde on an information board of the home keeper (detail). |
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The Kulkegraben or Kulkebach is a 3 km long left tributary of the Oker , which runs through the Braunschweig district of Leiferde in the Okeraue and accommodates several field ditches from the eastern slope of the Thieder Lindenberg .
geography
course
One of the field ditches forming the Kulkegraben begins northeast of a quarry pond in the Salzgitteran district of Thiede , which is immediately east of the Braunschweig – Derneburg railway line . This ditch runs in a straight line and at right angles through the Feldmark and in sections forms the municipal boundary between Braunschweig and Salzgitter. It is located almost exclusively in Braunschweig, bends north on the Braunschweig – Bad Harzburg railway line , is crossed by this and continues to flow northeast towards the connecting road Leiferde- Groß Stöckheim (district road 66). After crossing under it, it strives towards Oker, bends north and continues in a straight line almost parallel to the road to the village. From this section in the Okeraue it carries water all year round and is called the Kulkegraben on the maps . Kulkebach is also recorded on older maps.
It passes the Leiferdes settlement area on the eastern edge, where it bends at a rainwater retention basin and is later crossed by the Fischerbrücke road. It runs in a straight line at the Eutschenwinkel through the Kulkebruch to the Oker. From the left, at the level of the former sewage treatment plant, he takes a drainage ditch from the Hahnenkamp settlement area . At its mouth it is crossed by a pedestrian bridge.
Surname
The name Kulk is derived from Kolk , a name for a water hole. This occurs regularly below weirs when the falling water rinses the bottom and causes the water body to widen significantly. Since the ditch flowed towards the former mill, it can be assumed that the name was transferred from the Kolk to the stream.
Water quality and flood protection
Until about 2000, the Kulkegraben was the receiving water for Leiferder treatment plant according to biologically loaded and. The sewage treatment plant was replaced by a sewage pumping station, the pressure pipe of which runs parallel to the ditch and is ducked along the Oker .
The water quality was examined in 2011 by the Institute for Geoecology of the TU Braunschweig on behalf of the city drainage system Braunschweig for the lower 1,190 meters of its course. The stream is rated as having little flow and its structural quality is rated as moderately to severely impaired.
The collector of the surface water from the settlement on Hahnenkamp flows into the ditch, which is protected against ingress of flooding by a frog flap at its confluence . The Rapskamp building area has been developed in the vicinity since 2014 . In the course of the development, a rainwater pumping station was built on the Hahnenkamp, which pumps the surface water into the collector and shields it from the settlement and protects it from flooding.
See also
Kulk as a term for water surfaces.
Web links
- Map of the Kulkebach at openstreetmap.org
- Kulkebach on de.geoview.info