Orlacher Bach
| Orlacher Bach | ||
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| Data | ||
| Water code | DE : 23867132 | |
| location |
Kocher-Jagst Plains
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| River system | Rhine | |
| Drain over | Kocher → Neckar → Rhine → North Sea | |
| source | about 1.2 km west-southwest of Langenburg- Nesselbach north of Lietenholz 49 ° 13 ′ 20 ″ N , 9 ° 49 ′ 56 ″ E |
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| Source height | approx. 461 m above sea level NN | |
| muzzle | in Braunsbach across the Mühlkanal from the right and northeast in the middle Kocher coordinates: 49 ° 11 '52 " N , 9 ° 47' 29" E 49 ° 11 '52 " N , 9 ° 47' 29" E |
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| Mouth height | over 240.2 m above sea level NN | |
| Height difference | approx. 220.8 m | |
| Bottom slope | approx. 48 ‰ | |
| length | 4.6 km | |
| Catchment area | 6.368 km² | |
The Orlacher Bach is a brook mostly in the municipality of Braunsbach in the district of Schwäbisch Hall in the north-east of Baden-Württemberg , which flows into the middle Kocher from the right after a less than 5 km long, approximately south-westerly run in the village of Braunsbach .
geography
course
The Orlacher Bach arises on the plateau between the middle river valleys of Jagst and Kocher , just on the boundary of the Langenburg suburb of Bächlingen in the wet field . About 1.2 km west-southwest of the village of Nesselbach at an altitude of about 461 m above sea level. NN he begins his run in the ditch next to a dirt road that extends approximately west-south-west to the boundary and municipality area. After crossing over to the municipality of Braunsbach after a little over a hundred meters , it immediately reaches the northern edge of the Lietenholz - one of the forest islands interspersed with the plateau almost entirely covered by fields. Along this it now flows a little more naturally with small changes in direction to the west on the boundary between the Braunsbach suburb of Jungholzhausen in the north and Orlach in the south. There is also a small pond on this section.
After almost a kilometer at the edge of the forest, he leaves the Lietenholz behind him and after a short distance without an open bed, he takes his first tributary, Brückenbach, from the right next to a dirt road , a ditch that is less than a kilometer long and often dried up between fields with almost no vegetation. Then he turns to the southeast and crosses the district road K 2547 from Zottishofen in the north to Orlach in the south. Now without an accompanying dirt road, it also crosses the junction from this county road to Dörrhof and then steps below 430 m above sea level. NN in his right from the start wooded underflow blade one, it in the same as the left upper reaches of about 1.2 km of Bach from the Breitwiesen reached. This rises a little to the south of the Lietenholz, follows a dirt road throughout and seeps away after about half of its valley path in a tree-covered small sinkhole , below which it has even less and sparse water than before.
This underflow blade gets deeper quickly, but initially remains narrow, in it the stream passes the small village Orlach, which is at about 430– 442 m above sea level. NN is built on the spur of the mouth of the Kräuchelbach , which tapers from the east in its own blade barrel , with a length of around one and a half kilometers it is the longest tributary; the bottom of the Orlach brook, which is only about a hundred meters from the next house in the village, has risen to about 377 m above sea level at the mouth . NN incised. Coming from the smaller Kräuchelbach secondary blade, the L 1036 Langenburg – Braunsbach descends along the left slope of the main blade into the Kocher valley. At about 340 m above sea level. NN there is the first path crossing on the valley floor of the previously pathless and seamless blade, in which forest paths now accompany the stream on both slopes below the state road. Here the valley begins to expand like a funnel. Below the first meadow clearing on the left slope, another slope stream runs through the not very pronounced wolf blade from the left; this unstable course also begins as a ditch on the plateau.
In a reversing turpentine, the slope of the state road changes to 287.5 m above sea level. NN on the right side of the stream, which it now follows in the flatter valley floor through the Braunsbach, which begins immediately afterwards. At first, the stream still runs open here under an accompanying tree gallery, but an approximately one hundred meter long twisted lower section begins at the market square of the village, which ends again in the fork between Geislinger Strasse and Inselstrasse. Between houses through the settlement core, the brook now reaches the edge of the Mühlkanal, which branches off to the right at the weir of the village, after a good fifty meters. After the catchment area has been cut on the official waterway map, the unstable Etterbach should also flow into this short section , which after a long and unsteady run of the blades up to above the Braunsbacher Castle on the right slope of the Kochertal valley in the village area is completely overturned. The Orlacher Bach then crosses the Mühlkanal on a bridge. On the other side of the south-eastern tip of the Channel Island, the stream then flows immediately below the weir to a little over 240.2 m above sea level. NN from the right and northeast into the middle cooker .
After a run of 4.6 km in length, the Orlacher Bach flows with a mean bed gradient of about 48 ‰ around 220 meters below its source. On the section of the blade from the inlet of the brook from the Breitwiesen, the gradient is even about 79 ‰. The trenches and streams above the Klinge are quite unstable due to the karst formation in the area.
Catchment area
The Orlacher Bach has a catchment area of 6.4 km², which lies in the natural area of the Kocher-Jagst plains mainly in its sub-area Eastern Kocher-Jagst-Riedel and, with the mouth wedge, forms part of the sub-area Middle Kocher and Lower Bühlertal . The region is characterized by the shell limestone , which builds up the plateau, on which, however, Lettenkeuper ( Erfurt Formation ) still rests extensively ; At the edges of the upper catchment area, loess sediments from the Quaternary period even cover the ridges on the watershed. Most of the headwaters arise in the border area between this loess and the Lettenkeuper. The creek then reaches the erosion-resistant, but - as can be seen from some sinkholes in the catchment area - karst Upper Muschelkalk in its blade. Where the valley floor widens more, it runs in the Middle Muschelkalk , finally from about the crossing of the main road in the Lower Muschelkalk . In the local area of Braunsbach you can see an alluvial fan on the road; The Orlacher Bach has also pushed the Kocher to the opposite steep left-hand slope. The village of Braunsbach was originally built on a rubbish dump of a tributary that was quite safe against flooding, like many in the middle Kocher valley.
The most important watershed on the edge of the stream catchment area is the short north-east towards Nesselbach; behind it, the Stechbergklinge drains the other, narrower part of the plateau opposite to the central Jagst . Beyond the north, which roughly follows the L 2548 Nesselbach – Jungholzhausen, the left upper course of the Reichenbach runs through Zottishofen and then through the Lausenklinge to this Kocher tributary. On the northwest side outside the catchment area in the upper area the Jungholzhausener Bach flows , further below the smaller Grauklingenbach both westward to their confluence below the Orlacher Bach in the Kocher. Beyond most of the long southeastern catchment area border, the more important Grimmbach collects the outflow, the next permanent right-hand Kocher tributary above the Orlacher Bach.
The entire catchment area belongs to the community of Braunsbach and is divided into the districts of the districts , with the exception of about 0.4 km² on the north-eastern watershed near the village of Nesselbach, built on the left upper bend in the Jagsttal and on the suburb of Bächlingen in the small town of Langenburg Orlach, Jungholzhausen and Braunsbach themselves. The village of Braunsbach alone lies at the mouth of the river. Hard to the left above the upper blade is Orlach, opposite and a little further away from the right upper bend in the slope is the Dörrhof belonging to Jungholzhausen. The hamlet of Schaalhof, which is in a similar position to the lower blade and belongs to Braunsbach itself, borders on the outside of the watershed.
Tributaries and lakes
List of tributaries and 
lakes 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 Orlacher Bach at about 461 m above sea level. NN about 1.2 km west-southwest of the village of Nesselbach in the small town of Langenburg in the wet field as a dirt road ditch a little north of the forest island Lietenholz . The stream initially flows almost westwards and soon with small changes of direction on the northern edge of the Lietenholz.
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Flows through to about 447 m above sea level. NN a pond on the northern edge of the western Lietenholz, under 0.1 ha. - Brückenbach, from the right and northeast to about 437 m above sea level. NN between the western end of the Lietenholz and the K 2547 Zottishofen - Orlach , 0.9 km and about 0.7 km². Arises at about 462 m above sea level. NN approx. 0.9 km southeast of Zottishofen as a ditch on a field lane triangle.
- (Brook from the Breitwiesen ), from the left and east to around 420 m above sea level. NN at the beginning of the forest blade of the Orlacher Bach, approx. 1.2 km and approx. 0.7 km². Arises at about 460 m above sea level. NN in front of the southern edge of the Lietenholz in the Breitwiesen on a field lane triangle. Almost all of the field path ditches in a natural hollow.
- Kräuchelbach, from the left and east-northeast to about 377 m above sea level. NN under the southwest edge of Orlach , 1.5 km and about 1.0 km². Arises at about 460 m above sea level. NN on the western edge of the forest island Eichschnäue . Ditch in the field to the edge of Orlach, then steep Waldklingenbach.
- (Bach from the Wolfsklinge ), from the left and east to about 314 m above sea level. NN about 0.3 km northeast of the lower valley loop of the L 1036 Orlach– Braunsbach , about 0.9 km and about 0.4 km². Arises at about 450 m above sea level. NN at the K 3547 Orlach- Elzhausen . Initially ditch between grass paths on both sides, from the entrance to the forest on the upper edge of the slope, the Klingenbach is little deepened.
- Etterbach or Schlossbach, from the left and east, in Braunsbach, a little before the canal bridge, up to approx. 0.8 km and approx. 0.5 km². Arises up to 415 m above sea level. NN east above the Braunsbacher castle . Above the crack of the blade lie a few sinkholes in its hollow.
- Shortly before the confluence at Haus Geislinger Straße No. 6 in Braunsbach, cross the right Mühlkanal there, which has just left the Kocherwehr.
Mouth of the Orlacher Bach from the right and northeast below 242.1 m above sea level. NN (river height above the weir) and over 240.2 m above sea level. NN (river height at the return of the Mühlkanal) at the southeast end of the island between the channel and the river in the middle Kocher . The Orlacher Bach is 4.6 km long and has a catchment area of 6.4 km².
history
On May 29, 2016, the Orlacher Bach and the Schlossbach burst their banks and caused considerable damage in Braunsbach.
See also
Individual evidence
LUBW
Official online waterway map with a suitable section and the layers used here: Course and catchment area of the Orlacher Bach
General introduction without default settings and layers: State Institute for the Environment Baden-Württemberg (LUBW) ( notes )
- ↑ a b Height according to the contour line image on the topographic map background layer .
- ↑ a b c d Height according to black lettering on the background layer topographic map .
- ↑ a b Length according to the waterway network layer ( AWGN ) .
- ↑ a b c Catchment area according to the basic catchment area layer (AWGN) .
- ↑ Lake area after the layer standing waters .
- ↑ Catchment area measured on the background layer topographic map .
- ↑ a b c Length measured on the background layer topographic map .
Other evidence
- ↑ Wolf-Dieter Sick : Geographical land survey: The natural space units on sheet 162 Rothenburg o. D. Deaf. Federal Institute for Regional Studies, Bad Godesberg 1962. → Online map (PDF; 4.7 MB)
- ↑ Geology according to: Mapserver of the State Office for Geology, Raw Materials and Mining (LGRB) ( notes )
- ↑ Name Etterbach after labeling on the layer Automated property map from: Landesanstalt für Umwelt Baden-Württemberg (LUBW) ( information ) - see this detail map in a suitable enlargement ( memento of the original from December 24, 2015 in the Internet Archive ) Info: The archive link became automatic used and not yet tested. Please check the original and archive link according to the instructions and then remove this notice. .
- ↑ a b Severe weather report "The flood of Braunsbach" on Spiegel Online, May 30, 2016.
literature
- Topographic map 1: 25,000 Baden-Württemberg, as single sheet No. 6724 Künzelsau and No. 6725 Gerabronn