Gerabronner Bach

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Gerabronner Bach
Data
Water code DE : 2386618
location Swabian-Franconian forest mountains

Baden-Württemberg

River system Rhine
Drain over Bühler  → Kocher  → Neckar  → Rhine  → North Sea
source just under one kilometer east-southeast of the Sulzbach-Laufen hamlet of Hohenberg at the eastern foot of the Altenberg
48 ° 57 '43 "  N , 9 ° 54" 25 "  E
Source height approx.  500  m above sea level NHN
muzzle a little upstream from Bühlerzell - Senzenberg below a field path bridge from the left and south-southwest into the Bühler coordinates: 48 ° 58 '43 "  N , 9 ° 55' 42"  E 48 ° 58 '43 "  N , 9 ° 55' 42"  E
Mouth height approx.  392  m above sea level NHN
Height difference approx. 108 m
Bottom slope approx. 39 ‰
length 2.8 km
Catchment area 2.615 km²
Discharge
A Eo : 2.615 km²
at the mouth 		MQ
Mq
 		34 l / s
13 l / (s km²)

The Gerabronner Bach is a brook in northeastern Baden-Württemberg of 2.8 km length, which flows into the upper Bühler from the left and south-west just above the hamlet of Senzenberg von Bühlerzell in the Schwäbisch Hall district .

geography

course

The Gerabronner Bach rises just under a kilometer east of the Sulzbach-Laufen hamlet of Hohenberg at the eastern foot of the Altenberg at around 500  m above sea level. NHN in an extensive forest area. From here it runs in a steadily deepening valley channel to the northeast. After about 1.3 km it reaches the edge of the field south of Bühlerzell- Gerabronn , crosses under the dust road from Abtsgmünd - Wegstetten to Gerabronn and feeds some ponds that are in a deep hollow under the hamlet on a knoll on the left.

Soon afterwards it takes up the short Lautenbach from the right , beyond which the Lautenhof of the community lies on the slope in front of an eastern corridor. Then the brook turns to the north-northeast and the again steep trough is filled with forest again, at the end of which the Segelbach flows from its own forest blade from the left . Less than 400 meters later, the Gerabronner Bach flows from the left and south-southwest at about 392  m above sea level. NHN in the upper Bühler .

Catchment area

The Gerabronner Bach has a catchment area of ​​2.6 km², which in terms of natural space lies in the sub-area of ​​the Sulzbach Forest of the Swabian-Franconian Forest Mountains . It extends from its highest point on the summit of the Altenberg ( 564.7  m above sea level ) about 2.6 km to the northeast to the confluence with the Bühler at about 392  m above sea level. NHN ; across it, it measures around 1.7 km at its widest point.

From the mouth in the northeast, the watershed stretches south in the east up to 480.6  m above sea level. NHN high hump in the Long Rute . Outside it flows first the Eckertsbach and then the Scheffelbach further up to the Bühler. Then the watershed bends west and runs in front of a lake in the Spitzklinge , which drains over the Seebach to the Kocher tributary Rötenbach , up to the Altenberg summit near the source. There the drainage border bends north-northeast and runs in this direction almost to the Bühlerzell residential area Stockhäusle ; to the west of it the brook runs first through the Hahnenklinge and then the Rotklingenbach over the Hambach and then the Klingenbach to the downward Bühler near the Bühlerzell hamlet of Heilberg. Beyond the subsequent northern watershed from the Stockhäusle to the east to the mouth, there are no significant streams in front of the Bühler.

Over two thirds of the area is forested, predominantly and closed on both sides of the upper course, but also in the blades of the Segelbach and the lower Gerabronnerbach from the Lautenbach inlet. In between there is an agricultural strip, the clearing islands that have grown together around Gerabronn and the Lautenhof. Here, fields are mainly on both sides of the road from Gerabronn to Heilberg in Gewann Segel and east of Lautenhof in Gehrn .

The upper Gerabronner Bach from the source to a little above its forest outlet south of Bühlerzell-Gerabronn is the district and municipality boundary between Sulzbach-Laufen ( Schwäbisch Hall district ) on the left and Adelmannsfelden ( Ostalbkreis ) on the right bank. At the edge of the corridor he enters the district of Schwäbisch Hall and the Bühlerzeller district, where it then flows through its valley between the hamlet of Gerabronn above the left and the Lautenhof above the right slope. It also flows into the Bühlerzell area.

Tributaries and lakes

List of tributaries and RiverIcon-SmallLake.svglakes from source to mouth. Length of water, lake area and catchment area and altitude according to the corresponding layers on the LUBW online map. Other sources for the information are noted.

Origin of the Gerabronner Bach just under a kilometer east-southeast of the Sulzbach-Laufen hamlet Hohenberg in the forest at the eastern foot of the Altenberg next to the Kohlenstraße at about 500  m above sea level. NHN . The stream initially flows northeast.

  • RiverIcon-SmallLake.svgShortly after leaving the forest south of the Bühlerzell hamlet Gerabronn, it feeds three small and one large ponds at a little over 330  m above sea level. Above sea level , together 0.5 ha.
  • Lautenbach , from the right and south to about 420  m above sea level. NHN between Gerabronn and the Bühlerzeller Lautenhof, 0.5 km and approx. 0.4 km². Arises at about 440  m above sea level. NHN on the northern edge of a forest clearing next to the road from Gerabronn to the Bühlerzell hamlet of Steinenbühl .
    At this inlet the brook enters its second forest edge and turns its course to the north-northeast.
  • Segelbach , from the left and southwest at the exit of the Gerabronner Bach from its second forest blade into the Bühlertal at about 402  m above sea level. NHN , 0.8 km and approx. 0.5 km². Arises at about 450  m above sea level. NHN next to the K 2631 Gerabronn- (Bühlerzell-) Heilberg on the edge of its forest gorge in Krähen zum Flurgewann Segel .

Mouth of the Gerabronner Bach about 300 m upstream from Bühlerzell - Senzenberg below a field path bridge at about 392  m above sea level. NHN from the left and south-southwest into the Bühler . The stream is 2.8 km long and has a catchment area of ​​2.6 km².

geology

The catchment area of ​​the Gerabronner Bach lies in the Mittelkeuper , with the exception of the comparatively tiny summit plateau on the northern Altenberg, which belongs to the Black Jura . Below on the slope of the mountain, the typical slides in the marl ( Trossingen formation ) can be seen. At its foot begins the Stubensandstein ( Löwenstein Formation ), which, with the plateau below the mountain, covers most of the catchment area, including the agriculturally used tanning areas around Gerabronn and east of the Lautenhof. This is where the brook rises at the foot of the Altenberg.

A little before it emerges from the forest, it begins to cut further into the deeper Mittelkeuperschichten in its valley furrow, the Upper Bunten Marl ( Mainhardt Formation ), the silica sandstone ( Hassberge Formation ) and finally the Lower Bunten Marl ( Steigerwald Formation ). From around the end of the forest, the bed runs through a band of alluvial sediment, finally through the Buhler floodplain clay.

Nature and protected areas

The Gerabronner Bach is almost entirely in its natural state, not only in the predominant forest sections of its course, but also in the open country, where a tree gallery accompanies it even in the Bühleraue up to the mouth. There is a wet meadow near the ponds near Gerabronn, between these and the approaching Lautenbach there is a small swamp, at the mouth of which there is also a wet meadow.

The upper catchment area belonging to Sulzbach-Laufen and Adelmannsfelden is located in the Swabian-Franconian Forest Nature Park , a gusset near the mouth with the Bühlertal floodplain in the Upper Bühlertal landscape protection area with side valleys and adjacent areas .

See also

Individual evidence

LUBW

Official online waterway map with a suitable section and the layers used here: Course and catchment area of ​​the Gerabronner Bach
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 measured on the background layer topographic map .
  3. ↑ a b Catchment area according to the basic catchment area layer (AWGN) .
  4. ↑ Length according to the waterway network layer ( AWGN ) .
  5. ↑ Lake area after the layer standing waters .
  6. ↑ a b Catchment area measured on the background layer topographic map .
  7. ↑ Protected areas according to the relevant layers, nature partly according to the biotope layer .

Other evidence

  1. ↑ Modeled values ​​according to the discharge BW water node MQ / MNQ
  2. ↑ 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)
  3. ↑ Geology partly by visual inspection.
  4. ↑ Geology according to the layers for Geological Map 1: 50,000 on: Map server of the State Office for Geology, Raw Materials and Mining (LGRB) ( notes )

literature

  • Topographic map 1: 25,000 Baden-Württemberg, cut sheet No. 7025 Sulzbach-Laufen

Web links