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The Ochtum is a river in Lower Saxony and Bremen, Germany. Roughly 26 km (16 mi) long, it is a left tributary of the Weser.

Ochtum
Sunset over the Ochtum near Bremen
Location
CountryGermany
StatesLower Saxony and Bremen
Physical characteristics
Source 
  locationSource: Confluence of the Hache and Süstedter Bach in the lake Kirchweyher See [de] (in Weyhe)
  coordinates52°59′49″N 8°52′47″E
  elevation5 m
Mouth 
  location
between Lemwerder-Altenesch and Bremen-Seehausen [de; nds; ro] into the Weser
  coordinates
53°07′36″N 8°38′49″E
  elevation
2 m
Length25.6 km (15.9 mi) (46.1 km (28.6 mi) incl. Süstedter Bach[1])
Basin size917 km2 (354 sq mi) [1]
Basin features
ProgressionWeserNorth Sea
LandmarksCities: Bremen
Population251000 [2]
Tributaries 
  leftHombach, Stuhrgraben [de], Varreler Bäke, Delme

Course


The Ochtum begins in Lower Saxony only a few kilometres south of the city of Bremen near Weyhe at the confluence of the Süstedter Bach and the Hache in the lake known as the Kirchweyher See [de]. The Ochtum forms its tailwater and heads in a northwesterly direction into the state of Bremen where it forms part of its border with Lower Saxony. The river flows through or passes the villages and suburbs of Kattenesch, Huchting and Strom, crosses the Park links der Weser [de] and the Ochtumniederung bei Brokhuchting [de] nature reserve. A second branch of the Ochtum – its original channel – flows north past Grolland [de] and joins the main river in the nature reserve. The Ochtum passes Delmenhorst-Hasbergen and Lemwerder-Deichshausen and discharges into the Weser at river kilometre 12.85 between Lemwerder-Altenesch [de; it] and Bremen-Seehausen near Unterweser.


History



Water quality


According to the 2000 water quality map by the state of Bremen the Ochtum is classified as Class II, moderately polluted, as far as the district of Bremen-Strom.


Economy



Importances as a transport route


The Ochtum is used by water sports clubs. The paths on the Ochtum dykes are popular with cyclists and inline skaters.


See also



References


  1. Environmental map service of Lower Saxony (Umweltkartendienst des Niedersächsischen Ministeriums für Umwelt, Energie und Klimaschutz)
  2. Flussgebietsgemeinschaft Weser: Bewirtschaftungsplan Flussgebietseinheit Weser 2005 – Bestandsaufnahme Teilraum Tideweser



На других языках


[de] Ochtum

Die Ochtum ist ein zusammen mit ihrem längsten Quellfluss rund 59 Kilometer langer linker Nebenfluss der Weser. Die Ochtum fließt in Niedersachsen und Bremen am südwestlichen Rand der Wesermarsch nordwestwärts parallel zur Abdachung der Syker Geest, aus der ihr auch die meisten ihrer Nebenbäche zufließen.
- [en] Ochtum

[it] Ochtum

La Ochtum è un fiume tedesco lungo circa 26 km. È un affluente alla sinistra orografica del Weser, nella Bassa Sassonia e nella Libera città anseatica di Brema.



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