Strütbach (Ahlbach)

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Strütbach
View to the south-southeast over the Strütbach shortly before its influence in the brook pond (in the background)

View to the south-southeast over the Strütbach shortly before its influence in the brook pond (in the background)

Data
Water code DE : 23881184
location Baden-Württemberg
River system Rhine
Drain over Ahlbach  → Jagst  → Neckar  → Rhine  → North Sea
source east of Neuler in the Gewann Strüt
48 ° 55 ′ 47 ″  N , 10 ° 5 ′ 3 ″  E
Source height approx.  512  m above sea level NHN
confluence in Rainau- Buch from the left with the Längenbach to the Ahlbach Coordinates: 48 ° 54 '31 "  N , 10 ° 8' 11"  E 48 ° 54 '31 "  N , 10 ° 8' 11"  E
Mouth height below  452  m above sea level NHN
Height difference approx. 60 m
Bottom slope approx. 11 ‰
length 5.3 km
Catchment area 4.43 km²

The Strütbach is a 5 km long stream in the Ostalbkreis in eastern Baden-Württemberg , which in the hamlet of Buch in the municipality of Rainau joins the slightly shorter Längenbach to the Ahlbach from the left .

geography

course

The Strütbach begins its course as a ditch between fields and meadows about 1.1 km east-northeast of the center of Neuler in the Gewann Strüt at about 512  m above sea level. NHN near the L 1075 after the associated Schwenningen . From here it moves the next one and a half kilometers eastwards to near Schwenningen, where the Baumgarten forest belonging to the municipality of Hüttlingen touches almost the right bank of the stream.

Then it turns to the southeast and flows through below 487  m above sea level. NHN at an eastern tip of the forest is the brook pond, which now belongs entirely to Hüttlingen, and is around 1.8 hectares in size . Initially border stream between Neuler on the left and Hüttlingen on the right, after passing a small pond only 0.1 hectare in size on the left bank, soon afterwards it enters the large forest area northwest of Buch, where the municipality of Rainau replaces Neuler as the left riparian river, in whose municipality the stream is fully enters after a quarter of a kilometer. Here the forest opens up to the narrow meadow meadows of the brook meadows , the brook now flows closer to nature , partly at the edge, partly with a patchy tree gallery in the middle.

About one kilometer after the start of the open floodplain, after crossing the route of the Limes, it enters the open corridor west of Buch, where it passes through a cut dam in the area of ​​the former Rossweiher . In the now almost eastern course it reaches the soft patch of Buch in the Gewann Strüt , flows between parts of the settlement in the north and south that mostly avoid the immediate floodplain and crosses under the K 3320. At the edge of a meadow between Dorfstrasse and Mühlweg it then flows below 452  m above sea level . NHN from the left and finally west with the Längenbach coming here from the south to form the only short Ahlbach .

The 5.3 km long Strütbach flows about 60 meters below its origin, its mean bottom slope is therefore only about 11 ‰. It has no significant tributaries.

Catchment area

The Strütbach drains a catchment area of ​​4.4 km² in the form of a tube that is less than a kilometer wide around the course. The highest point is on the north-west corner on a flat hilltop north-east of Neuler, a little above the origin at 524.5  m above sea level. NHN . From there, the terrain slopes moderately to the south-east, in line with the predominant direction of the upper reaches, which follow the geological stratification in the south-west German stratovaginal level .

The catchment area is naturally part of the foreland of the eastern Swabian Alb , on the upper reaches in the northwest it belongs to its sub-area Platte von Neuler , otherwise to its sub-area Goldshöfer Terrassenplatten .

The Neuler plate is a leveling in the Black Jurassic , which also continues at least on both sides of the course to the mouth. The Jura layers are overlaid on the edge of the lower catchment area, the much younger islands Goldshöfer Sande , old Pleistocene river deposit layers from the time when Jagst and Kocher united in this area with roughly opposite directions and drained over the Urbrenz to the Danube . The Strütbach itself has dug down under the Jura on the middle reaches into the higher Keuper layers.

The area is located in the Ostalbkreis and is divided into the municipal areas of Neuler in the north, Hüttlingen in the west and Rainau in the east. The only places in it are the Rainau hamlet of Buch at the mouth and the Neuler hamlet of Schwenningen to the left of the upper course on the northern watershed.

Behind this northern watershed, the Sizenbach runs to the Jagst , which for the most part also receives the runoff behind the northeastern one without any notable tributaries. From the confluence with the Längenbach upwards again, the long watershed in the southwest borders its own catchment area along its entire length. The short western one at Neuler borders the catchment areas of the small left tributaries of the Schlierbach , which leads its water to the Kocher .

Nature and protected areas

There is forest on a large part of the area. From Bächweiher until the edge of the book, the 39 hectares is protected landscape Strutbachtal (sic) furnished.

history

The route of the Upper Germanic-Raetian Limes crosses the path of the Strütbach shortly before it emerges from the forest in the open corridor around Buch; it can still be partly recognized in the terrain.

Individual evidence

LUBW

Official online waterway map with a suitable section and the layers used here: Course and catchment area of ​​the Strütbach
General introduction without default settings and layers: State Institute for the Environment Baden-Württemberg (LUBW) ( notes )

  1. ↑ a b c Height according to the contour line image on the background layer topographic map .
  2. ↑ Length according to the waterway network layer ( AWGN ) .
  3. ↑ Catchment area according to the basic catchment area layer (AWGN) .
  4. ↑ a b Lake area according to the layer standing waters .
  5. ↑ Height according to black lettering on the background layer topographic map .
  6. ↑ Protected areas according to the relevant layers.

Other evidence

  1. ↑ Hansjörg Dongus : Geographical land survey: The natural spatial units on sheet 171 Göppingen. Federal Institute for Regional Studies, Bad Godesberg 1961. →  Online map (PDF; 4.3 MB)
  2. ↑ Geology roughly based on: Map server of the State Office for Geology, Raw Materials and Mining (LGRB) ( notes )

literature

  • Topographic map 1: 25,000 Baden-Württemberg, as single sheet No. 7026 Ellwangen (Jagst) West

Web links