Dig deep

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Dig deep
Data
Water code DE : 23866332
location Swabian-Franconian forest mountains

Baden-Württemberg

River system Rhine
Drain over Bühler  → Kocher  → Neckar  → Rhine  → North Sea
source (Temporary) left branch from the lowest Klingenbach in Heilberg
48 ° 59 ′ 26 ″  N , 9 ° 54 ′ 53 ″  E
Source height little over  390  m above sea level NHN
muzzle between Heilberg and Bühlerzell on the valley run of the Gunzenbach from the left and overall south in the upper Bühler coordinates: 48 ° 59 '47 "  N , 9 ° 54' 47"  E 48 ° 59 '47 "  N , 9 ° 54' 47"  E
Mouth height approx.  383  m above sea level NHN
Height difference approx. 7 m
Bottom slope approx. 8.8 ‰
length 795 m
Catchment area approx. 1.8 km²

The Tiefegraben is an alluvial ditch just under a kilometer long to the left of the Bühler in the area of ​​the municipality of Bühlerzell in the district of Schwäbisch Hall in north-eastern Baden-Württemberg , half of the way between the Bühlerzell hamlet of Heilberg and Bühlerzell itself. Two brooks drain over it from left side valleys into the Bühler.

geography

course

The Tiefegraben goes from the Heilberger group of houses around the street Im Wiesengrund to the left of the Klingenbach north-north-west, which changes from north-north-west to north-east just a hundred meters before its confluence with the Bühler in its last bend. Usually there should be no drainage from it into the deep trench, since the Klingenbach runs on the bottom of a roughly three meter deep, apparently artificially V-shaped embankment trench. Presumably the Tiefegraben, the open course of which only begins on the other side of a residential road, is only fed from the Klingenbach during floods.

The Tiefebach runs through the grounds of a property and then reaches the northern outskirts about 50 meters from the Klingenbach. As an initially inconspicuous grass ditch, it follows a farm road in the Gewann Tief to the former Heilberg mill on the other side of the Bühler. This runs in tight loops mostly at the right foot of the slope of the rather wide meadow meadow, while the Tiefebach, soon without an accompanying path, with less frequent changes of direction in the middle of the meadow or to the left of it roughly parallel to it and consistently less than 150 meters away from it through the damp meadows pulls. After about half of the run, the short Steinbach, which only begins in the lower side valley, flows from a meadow valley south of Trögelsberg on the left . Immediately afterwards, in a tree-lined plot of land to the left of the course, there are two flat ponds with a total area of ​​over 0.1 hectares that tend to dry out.

Further down, the ditch of a slope spring flows from the left at the lower edge of the forest of the Hasenbühl, which descends east of Trögelsberg . Then the Tiefegraben strives in a north-easterly run to the Bühler and, less than 50 meters in front of it, takes in the Gunzenbach from a large left side valley , which exceeds its own length and its catchment area up to there and flows together from two unstable upper courses between Trögelsberg and the Imberg to the northwest of it .

Finally, after a run of about 0.8 km with an average bottom gradient of about 9 ‰, the Tiefebach flows into the upper Bühler from the left about seven meters below its origin between Heilberg and Bühlerzell .

Catchment area

The Tiefgraben has a catchment area of ​​about 1.8 km², to which its tributaries Steinbach and then especially Gunzenbach contribute the largest part. In terms of natural space , it is located in the lower Limpurg Mountains of the Swabian-Franconian Forest Mountains . The highest point on its western corner in the Kugelwald southwest of Wurzelhof reaches about 490  m above sea level. NHN .

The entire catchment area belongs to the municipality of Bühlerzell . At the beginning of the run there are only a few houses in the hamlet of Heilberg , which, like the floodplain and the mountain spurs near the river valley, is in the Bühlerzell subdistrict. In addition, there are four small settlement areas in the sub-district of Geifertshofen , namely the hamlet Trögelsberg on the spur between Steinbach and Gunzenbachtal as well as Hof Wurzelbühl and the hamlets Wurzelhof and Imberg above the opber valley basin of the Gunzenbach.

In the floodplain and in the side valleys there are almost only meadows and pastures. On the flanks of the Gunzenbachtal there are two hillside forest islands and in the western catchment area the Stockwäldle and Kugelwald tubs of a forest area that continues far to the west occupy the greatest heights. Agriculture dominates on the flat plateau in between around the three high hamlets.

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.

Origin of the Tiefbach at a little over 390  m above sea level. NHN on the group of houses around the street Im Wiesengrund from Bühlerzell - Heilberg as the left high water branch of the mouth of the Klingenbach .

  • Steinbach , from the left and west to about 387  m above sea level. NHN at the foot of the path from Heilberg over the Hasenbühl to Trögelsberg, approx. 0.3 km and over 0.3 km². Rises from a slope spring at about 408  m above sea level. NHN at the Steingäßleshalde .
  • RiverIcon-SmallLake.svg Immediately afterwards you pass two ponds surrounded by trees, together over 0.1 ha.
  • (Spring discharge from the edge of the Hasenbühl ), from the left to about 385  m above sea level. NHN , approx. 0.3 km and below 0.1 km². Rises from a slope spring at about 408  m above sea level. NHN under a single tree in front of the lower tree line of the Hasenbühl .
  • Gunzenbach , from the left and west to about 384  m above sea level. NHN a few steps before the estuary, 1.1 km and approx. 1.2 km². Arises at about 417  m above sea level. NHN between Trögelsberg and Imberg in the lower edge of the hillside forest east of Wurzelbühl. There a completely wooded blade converge from the southwest and a half-wooded blade from the northwest, both half a kilometer long and with only intermittent water flow.

Mouth of the deep trench from the left and finally southwest to about 383  m above sea level. NHN between Heilberg and Bühlerzell in the upper Bühler . The Auengraben is 0.8 km long and has a catchment area of ​​around 1.8 km².

geology

The catchment area lies entirely in the Mittelkeuper . The uppermost layer that occurs is the Upper Colorful Marl ( Mainhardt Formation ), which is a layer island around the highest point in the highest point in the western corner of the catchment area. Underneath, silica sandstone ( Hassberge Formation ) covers the incidentally part of the plateau around the four hilltop settlement areas, this also extends far to the spurs around the two converging valleys; To the east of Imberg, a sand pit was previously operated in the Gewann Lengfeld , the low embankment of which can still be seen in the terrain. On the steep upper valley slopes below, Untere Bunte marl ( Steigerwald Formation ) spread out, on the middle one below the slope in the area of ​​the reed sandstone ( Stuttgart Formation ) is noticeably flatter. The lowest Mesozoic layer is the Gipskeuper ( grave field formation ) on the lower slopes.

At the bottom of the valley lies a wide strip of floodplain clay in which the deep trench flows. The one of the two side valleys is filled with alluvial material without alluvial cones deposited in the area in front of them.

Nature and protected areas

At Tiefenbach and its two tributaries there is sporadic wood, mostly at Gunzenbach, where there are also several tall trees, some in groups. In the floodplain and on the left slope there are wet meadows, on the slopes there are also some hedges and small springs.

The entire catchment area is in the Swabian-Franconian Forest Nature Park , the middle and eastern in the Upper Bühlertal nature reserve 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 deep trench
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 c Length according to the waterway network layer ( AWGN ) .
  3. ↑ a b Catchment area measured on the background layer topographic map .
  4. ↑ Lake area after the layer standing waters .
  5. ↑ a b Length measured on the background layer topographic map .
  6. ↑ Protected areas according to the relevant layers, nature partly according to the biotope layer .

Other evidence

  1. ↑ 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)
  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 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, as single sheet No. 6925 Obersontheim and No. 7025 Sulzbach-Laufen

Web links