Krempelbach (stove)

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Krempelbach
Data
Water code DE : 23863582, DE : 2386358
location Swabian-Franconian forest mountains

Baden-Württemberg

River system Rhine
source the Ruhle Bach :
km east about 0.3-below Gschwend - Otten Ried
48 ° 55 '7 "  N , 9 ° 49' 32"  O
of the name run:
about 0.5 km northwest under Eschach- Seifertshofen
48 ° 54 '49 ″  N , 9 ° 50 ′ 6 ″  E
Source height approx.  488  m above sea level NHN 
source Krempelbach
483  m above sea level NHN
source Rühlenbach
muzzle near Sulzbach-Laufen- Wengen from the left and southwest in the upper Kocher coordinates: 48 ° 55 '47 "  N , 9 ° 52' 30"  E 48 ° 55 '47 "  N , 9 ° 52' 30"  E
Mouth height 344.3  m above sea level NHN
Height difference approx. 143.7 m
Bottom slope approx. 36 ‰
length 4 km 
on the name run
4.4 km
with a longer upper course Rühlenbach
Catchment area 4.538 km²

The Krempelbach is a 4 km long brook first in the Ostalb district , then in the district of Schwäbisch Hall in northeastern Baden-Württemberg , which flows into the upper Kocher from the left and southwest near the hamlet of Wengen in the municipality of Sulzbach-Laufen .

geography

course

The Krempelbach arises in the Gewann Gereut at about 488  m above sea level. NHN about half a kilometer north-west of the Seifertshofen hamlet of the municipality of Eschach, which lies on the edge of the Frickenhofer Höhe plateau, a little downhill from the edge of the field to the forest below, which covers most of the catchment area. With slight changes in direction, the brook flows steadily to the northeast. From the right slope below the plateau, it initially takes up the runoff of some hillside springs from the predominantly wooded well known as Brunnenwiesen and about 1.2 km after its own source the Reutebach from south-southwest from the Waldgewann Schenkelgehren, which is half as long there .

Already about 0.2 km further flows from the west at only about 404  m above sea level. NHN its largest tributary Rühlenbach . This left tributary, which arises at the edge of the forest under the hamlet of Ottenried of the municipality of Frickenhofen von Gschwend on the plateau, which is also on the edge of the plateau , is about 0.4 km longer at the confluence than the Krempelbach up to there and also has a larger partial catchment area. After that, slope spring drains continue to run and small forests cling to the left and especially to the right, with, if at all, shorter permanent inflows.

Only about one kilometer before the estuary does a hillside meadow descend for the first time under the Heilberg (approx. 453  m above sea level ) on the left as far as the run. To about 360- 350  u m. NHN the stream passes a pond on the left, then displaces one on the right of the course. Immediately afterwards, it passes through the hamlet of Wengen in the Sulzbach-Laufen community , partly covered, in its valley funnel . A little more than a hundred meters after the other end of the village, after the last dead straight trench, it flows into the floodplain from the left and southwest at 344.3  m above sea level. NHN less than 100 meters below the Archenbrücke opening up the hamlet from the left and southwest into the upper Kocher .

The Krempelbach flows after a 4.0 km long run with an average bottom gradient of about 36 ‰, about 144 meters in altitude below its source.

Catchment area

The Krempelbach has a catchment area of ​​4.5 km². It lies on the slope of the northwestern Frickenhofer Höhe , a sub- natural area of the Eastern Alb foreland down into the broad and deep indented valley of the upper Kocher, which runs from southeast to northwest. Only small marginal strips at the top belong to the Frickenhofer Höhe, the rest is in the sub-areas of the adjacent Swabian-Franconian Forest Mountains , namely initially and largely in the Kirnberger Wald and near the mouth a significantly smaller part in the Sulzbacher Kochertal . The little over 550  m above sea level. NHN's highest point is a little west of Ottenried on the barely noticeable Strietfeld summit of the Frickenhofer Höhe.

The catchment area of ​​the Krempelbach is bordered by the following neighboring waters:

  • Beyond the western, upper part of the northern watershed, the Kleine Wimbach collects the drain and leads it over the Großer Wimbach below the Krempelbach to the Kocher ;
  • in the eastern part of this left watershed, the brook from the Harzklinge drains the area between Krempelbach and Großem Wimbach to Kocher;
  • in the southeast, the small catchment areas of the short streams through the Hirschklinge and then out of the Hägeleswald and finally the more respectable Öchsenbach follow one another upwards;
  • Behind the highest, south-south-western part of the total watershed on the Frickenhofer Höhe, the terrain around Seifertshofen to the Götzenbach , which slopes only gently to the other side, drains off around Ottenried over the Auerbach to the Gschwender Rot , which like the Götzenbach is a tributary of the Lein, which flows much further up into the Kocher is.

There is forest on around four fifths of the area. There is only open terrain at the upper edge of the Frickenhofer Höhe, contiguous there, and to a lesser extent and structured in and near the Kochertalaue. About a sixth of the area in the far west around the upper Rühlenbach belongs to the municipality of Gschwend , about half a long way down from it on the right side of the still following stream axis from Rühlenbach and Krempelbach to the municipality of Eschach , both of which are in the Ostalbkreis . The remaining third of the left side of the further brook axis and in the area near the mouth is part of the municipality Sulzbach-Laufen in the district of Schwäbisch Hall . Settlements are the Gschwender hamlet Ottenried and the larger part of the Eschach hamlet Seifertshofen on the Frickenhofer level as well as the majority of the Sulzbach-Laufener hamlet Wengen in the Kochertalaue.

Tributaries and lakes

List of tributaries and RiverIcon-SmallLake.svglakes from source to mouth. Length of water, lake area, catchment area and altitude according to the corresponding layers on the LUBW online map. Other sources for the information are noted.
Selection; A few other, all smaller blades with a more or less constant flow run towards the watercourses mentioned .

Origin of the Krempelbach at about 488  m above sea level. NHN approx. 0.5 km northwest under Eschach - Seifertshofen on the forest slope of the Frickenhofer Höhe to the Kocher down at Gewann Gereut . The stream initially flows in a westerly to northwestern direction

  • Reutebach , from the right and south to about 410  m above sea level. NHN under the Waldgewann Schenkelgehren , 0.6 km and approx. 0.4 km². Rises at about 464  m above sea level. NHN approx. 0.7 km northeast of Seifertshofen between the Waldgewannen Viertel-Lehen and Reute .
  • Rühlenbach , from the left and west to about 404  m above sea level. NHN under the Gschwandenwald on the left slope, 1.8 km and about 1.6 km². Arises at about 483  m above sea level. NHN approx. 0.3 km east-below Gschwend - Ottenried on the edge of the deep meadows to the incipient hillside forest.
    Up to this inflow, the Krempelbach itself is only 1.4 km long and has only accumulated a catchment area of ​​around 1.1 km².
  • RiverIcon-SmallLake.svgHappened at about 360- 350  m above sea level. NHN two ponds on the left and then on the right of the river just before the hamlet of Wengen, 0.1 ha and 0.3 ha.

Mouth of the Krempelbach from the left and southwest to 344.3  m above sea level. NHN less than a hundred meters after the Archenbrücke near Sulzbach-Laufen - Wengen in the upper Kocher . The stream is 4.0 km long, on the strand with the slightly longer left upper course Rühlenbach 4.0 km long and has a catchment area of ​​4.5 km².

geology

The catchment area lies on the slope of the erosion-resistant lower Jurassic layer, which is leveling for the plateau, to the Keuper below . Only a narrow band at the upper edge of the catchment area lies in the Lower Jurassic, it is lined with a band of marl ( Trossingen formation ) under the upper bend in the slope . At its transition to the Stubensandstein ( Löwenstein Formation ), which covers most of the catchment area, are the sources of the large streams and their only short upper branches; the Stubensandstein stretches down to the two valley spurs to the Kocher valley near Wengen. A little after the tributary of its left upper arm Rühlenbach, the Krempelbach begins to dig into the even deeper Keup layers. Subsequently, at the foot of the slopes of the narrow brook valley, Obere Bunte Marl ( Mainhardt Formation ), silica sandstone ( Hassberge Formation ) and, finally, Lower Colorful Marl ( Steigerwald Formation ) strike out one after the other . The reed sandstone ( Stuttgart Formation ) only appears as a narrow band on the edge of the valley, only around the lakes passed shortly before Wengen.

Wengen itself is mostly built on gravel terraces just a little above the Holocene floodplain of the Kocher, in which the Krempelbach finally reaches the Kocherufer through the floodplain sands. On the plateau there is also younger loess sediment from Quaternary deposits above the step-forming Lower Jurassic, next to it, in an unusual location there, in the form of a very small island on the separating spur between the confluence of the upper reaches of the Krempelbach and Rühlenbach.

In the Untertal there is a good outcrop of the lower colored marl (“red wall”), which is designated as a geotope. On the southeastern watershed, near Waldmannshofen, there is an abandoned small sand pit in the Stubensandstein, which is also a geotope. The partially only weakly bound, coarse-grained crumbling sandstone was quarried in many places in the region and used or sold as scouring sand for the maintenance of floorboards, which is where the traditional name of the layer comes from.

Nature and protected areas

The forest stretch of the Krempelbach and the Rühlenbach are fast flowing brooks one to two meters wide due to their great gradient. In the bed, which is covered by block rubble in some places, there is sandy to gravelly sediment, and the trees on the banks of mostly alder and ash trees are close to nature. Accompanying forest roads have been secured in sections, which is why the course of the stream is no longer close to nature in such places. The banks are mostly steep, sometimes with landslides down from the slope. After the forest emerges a little in front of the two lakes, a gallery forest of mostly black alder accompanies the Krempelbach, which has been partially straightened here, up to the edge of Wengen.

Not far from the Rühlenbach and the middle Krempelbach there are two small areas on the slope where rare bear moss species grow.

A little before the first meadow on the left slope, the Krempelbach enters the landscape protection area Kochertal with adjacent mountain ranges , from which only Wengen and its soft patch are spared. From the upper watershed through the hamlet at Seifertshofen there is a small water protection area in the catchment area close to the upper Krempelbach and around the upper Reutenbach. The entire catchment area belongs to the large Swabian-Franconian Forest Nature Park .

See also

Individual evidence

LUBW

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

  1. ↑ a b c d e Height according to the contour line image on the background layer topographic map .
  2. ↑ a b Height according to the gray lettering on the background layer topographic map .
  3. ↑ a b c Length according to the waterway network layer ( AWGN ) .
  4. ↑ a b Catchment area after the basic catchment area layer (AWGN) .
  5. ↑ Lake area after the layer standing waters .
  6. ↑ Catchment area measured on the background layer topographic map .
  7. ↑ Geotopes according to the relevant layer.
  8. ↑ Protected areas according to the relevant layers, nature partly according to the biotope layer .

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 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 ). The geological map listed under → Literature offers a similar picture,  but only shows the western catchment area. However, the two maps show the distribution of the loess sediment on the plateau clearly differently.

literature

  • Topographical map 1: 25,000 Baden-Württemberg, as single sheet No. 7024 Gschwend and No. 7025 Sulzbach-Laufen
  • Geological map of the Swabian-Franconian Forest Nature Park 1: 50,000, published by the State Office for Geology, Raw Materials and Mining Baden-Württemberg, Freiburg i. Br. 2001.

Web links