Pus (Weser)

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Pus
eyter
Pus NS 03.jpg
Data
Water code DE : 4916 (main channel 49162)
location Lower Saxony , Germany
River system Weser
Drain over Weser  → North Sea
Origins Main Canal: Ziegeleisee, Hoya :
52 ° 47 ′ 47.76 ″ N, 9 ° 8 ′ 21.34 ″ E
Upper Pus: Bruchhsn.-Vilsen :
52 ° 59 ′ 28 ″ N, 9 ° 0 ′ 27 ″ O
Benkengr. (4916): Hoyerhagen :
52 ° 50 ′ 6 ″  N , 9 ° 3 ′ 44 ″  E
Source height Upper pus  52  m above sea level NN , DTK25
muzzle At Eißel in the Weser coordinates: 52 ° 59 ′ 28 ″  N , 9 ° 0 ′ 27 ″  E 52 ° 59 ′ 28 ″  N , 9 ° 0 ′ 27 ″  E
Mouth height 11  m above sea level NHN
Height difference 41 m
Bottom slope 2.4 ‰
length 17.1 km  (name), 22.1 km (GKZ),
30.4–32.0 km (with main canal)
Catchment area 249.17 km²
Discharge at the level Schwarme A Eo : 140 km² Location: 9.38 km above the mouth

 NNQ
MNQ 1976 - 2002
MQ 1976 - 2002
Mq 1976 - 2002
 MHQ 1976 - 2002
HHQ 		154 l / s
330 l / s
1.3 m³ / s
9.3 l / (s km²)
 4.76 m³ / s
9.57 m³ / s
Discharge  at the mouth of the
A Eo : 249.17 km² 		MQ
Mq
 		1.99 m³ / s
8 l / (s km²)
Left tributaries Main duct, small pus
Right tributaries Krähenkuhlenfleet , Rietlake, Alte Landwehr, Oetzer Seegraben, Wischkämpfegraben
Flowing lakes Brick Lake in Hoya
Communities Hoyerhagen , Bruchhausen-Vilsen , Thedinghausen , Schwarme

The Eiter , also spelled Eyter before the 20th century , is a small left tributary of the Weser that flows into the Mittelweser at Thedinghausen - Eißel .

River course

Upper pus

The upper pus is a mill stream. It arises in the Bruchhausen-Vilsener district Dille at about 52 m above sea level. NHN from an unclassified, up to 1.5 km long ditch coming from beyond the B 6 . For the first 1.5 km it flows with a clear gradient through a small valley on the edge of the Wildeshauser Geest down to the Klostermühle at 30 m above sea level. After another 700 m it is only 25 meters high at the Bruchmühlen mill. From there, it meanders just under another kilometer to Gerkengraben at 19 m above sea level. It continues this strongly straightened and thus reaches the main canal , an irrigation and drainage ditch of the melioration system, 6.5 km after the origin in Dille .

Main channel

In the largely artificial water network of the Weser lowlands , the pus is of central importance for the water balance and the main canal, viewed from its actual upper course, its catchment area measures 90.40 km² compared to 15.57 km² of the pus above its mouth and 22.34 km² of the upper pus. In the lowland all waters are more or less straightened. The main canal (GKZ: 49162) begins at the Ziegeleisee in Hoya and is 10.6 km long to the confluence of the upper pus. With its first significant tributary, the Dedendorfer Graue (3.8 km, GKZ: 4916212) beginning at the Bückener Mühlenbach, it is as much as 11.1 km. 1.2 km after the confluence of the upper Eiter, the main channel forks: the Hinterwiesengraben branching off to the right is 1.5 km long and leads the greater part of the water to the beginning of the (lower) Eiter by name, the hydrographic upper course of which the Benkengraben was numbered (GKZ: 4916111 / -119). Its current right inlet called Moorgraben (GKZ 4916112) is to be regarded as the historical forerunner of the main canal, from which it branches off today in Hoyerhagen without any significant flow . The main canal continues parallel to the Geestrand in order to relieve the Weser valley from water supply from the Geest. At the confluence of the Retz brook (GKZ 4916208), it bends right-angled to the right now, to flow into the pus 7.1 km after the junction of the Hinterwiesengraben itself. The shorter route through the Hinterwiesengraben to this confluence measures 5.5 km. The main channel was actually intended as a feeder to the Ochtum. The Süstedter Graben at the bend from the northwest was intended as a continuation and is used today against the direction of the design.

The pus in the Weser lowlands

From its bend above the mouth of the main canal to Thedinghausen , the Eiter flows north-northeast with slight changes in direction. Until the middle of the 20th century, it formed the border between the Hanoverian area on the right bank and the Brunswick exclave Thedinghausen on the left bank. The agricultural areas on both sides, some with the field name Bruch , are now arable land. The Kleine Eiter (11.20 km², GKZ: 49166) runs parallel to the left until shortly before Thedinghausen, and to the west of it the area is slightly higher so that no drainage is  required. Drainage ditches flow from the right, which regulate the water balance of the Hoya lowland up to this point: Aalfleet, Krähenkuhlenfleet (15 km, 14.85 km², GKZ: 49164), Streekfleet and Rietlake. Shortly before the town center of Thedinghausen comes from the right as the most important lateral tributary an almost 18.6 km long drainage ditch called Landwehr (63.91 km², GKZ: 49168). To the north of the village, the Eiter takes in the Oetzer Seegraben and two other tributaries from the right , all three of which drain land on the back of the Weser dike. At the Siel der Eiter in the Weser dike near Eißel , the Eißel pumping station has been working since 1969. Designed for draining the Weser lowlands, around 160 km², it now also transports water from adjacent geest areas into the Weser. After 1.1 km straight through the dike foreland, the Eiter finally flows into the Weserbogen "Kaper". Their mean water flow here is just under 2 m³ / s.

Web links

The pus in front of the Eißel pumping station
Commons : pus  - album with pictures, videos and audio files

Remarks

  1. ↑ a b Drawn GPS tracks for determining length:
  2. ^ Environment Lower Saxony - Area Directory Weser
  3. ↑ level value Schwarme increased by the area of outflow of the residual basin (6.3 / s.km² to 109 square kilometers) derived from the values of the adjacent level Steimke (Hache) and from the hydrological Atlas of Germany - Annual outflow height
  4. ↑ The old name is still partly in use.
  5. ↑ Drawn GPS track Obere Pus
  6. ↑ Mittelweserverbad: Eißel pumping station
  7. ↑ Drawn GPS tracks: