Breitenbrunn brook

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Breitenbrunner Bach
on the lower course: Spitzerbach
The Breitenbrunner Bach before Breitenbrunn

The Breitenbrunner Bach before Breitenbrunn

Data
Water code DE : 14864
location Bavaria
River system Danube
Drain over Rosenbach  → Vils  → Naab  → Danube  → Black Sea
origin settled underflow:
between Rieglasbrunnen and feed from the Seven Springs
49 ° 28 '56 "  N , 11 ° 44' 57"  O
dry falling upper course:
between Illschwang-Schwendberg and -Hackern
49 ° 29 '0 "  N , 11 ° 39' 55"  O
Source height 397  m above sea level NHN 
start of the name run
465  m above sea level NHN
beginning of the dry upper course
muzzle in Sulzbach-Rosenberg in den Rosenbach Coordinates: 49 ° 29 '23 "  N , 11 ° 45' 55"  E 49 ° 29 '23 "  N , 11 ° 45' 55"  E
Mouth height approx.  387  m above sea level NHN
Height difference approx. 10 m
Bottom slope approx. 1.1 ‰
length 9.1 km 
with the upper course in the Frankenhofer valley
approx. 1.8 km
constant underflow from a little below the Rieglas fountain
Catchment area 17.41 km²

The Breitenbrunner Bach is a two to at most nine kilometers long brook in the Upper Palatinate in the district of Amberg-Sulzbach on the eastern edge of the karst Franconian Alb , which flows into the Rosenbach from the right after an eastern, and finally northeast, course in the town of Sulzbach-Rosenberg . Before the estuary it is also called the Spitzerbach .

geography

course

The Breitenbrunner Bach is only 9.1 km long together with its dry upper course. Its dry run begins in a forest passage between the hamlets of Schwand and Hackern von Illschwang at around 465  m above sea level. NHN and goes through the Frankenhof valley , named after the Frankenhof , also called Mühlenwegtal , long east, past the small villages of Aichazandt and Haar in the municipality. Then it crosses into another Waldenge in the area of ​​the city Sulzbach-Rosenberg and immediately passes the settlement area on the Turnerfelsen of the hamlet of Grund, a little later it turns shortly before a somewhat larger group of houses in the hamlet about 3.1 km before its confluence on the northeast run and crosses under federal highway 85 .

After passing a group of small ponds northwest of the Sulzbacher village Kropfersricht, the water flow becomes more stable, which is also reinforced by the outflow of the Rieglasbrunnen , also called Rieglersbrunnen , which immediately afterwards from the right from the narrow floodplain , and again by an unnamed, about 0.8 km long in ditch tapering to a natural hollow from the southern edge of the landfill northeast of Kropfersricht. After that at the latest, the now permanently water-bearing brook will also be called the Breitenbrunner Bach . After heretofore fairly straight-line running the Bach now sets into small loops, in turn, increases from the right in the range of a few slightly larger ponds in the floodplain of the right the flow of Seven Springs on the wooded slope foot of goats Leite on, some karst springs in Malm dolomite , which to him swell a river.

A little afterwards it reaches the southern tip of Breitenbrunn, where another 0.9 km long brook now runs from the left, which arises in the west in the Wolfsgrube forest . The Breitenbrunner Bach now flows on the southeast edge of the Sulzbacher village, after which it is named. Three mills used to use its water power here: The Obermühle (Zacherlmühle), where the mill wheel was replaced by a small turbine with a DC generator in the 1930s, the plant is now out of service. It is followed by the rock mill (Strobelmühle), where the four-meter overshot mill wheel was replaced by a turbine with grid feed in the 1970s; the old mill with wooden gears is still in the building. Finally the brook flows past the Spitzermühle; this mill with an inn was replaced by the Maxhütte and shut down in the 1960s. Before the mouth it is also called Spitzerbach and is signposted from the town of Sulzbach-Rosenberg.

Rosenberg, Spitzermühlweg 2: Former mill, so-called Spitzermühle, behind which the Spitzerbach flows

The Breitenbrunner Bach / Spitzerbach flows about half a kilometer further on the southern edge of the town's settlement zone at the former Maximilianshütte ironworks from the right and at about 387  m above sea level. NHN in the Rosenbach . Overall, with the dry upper and middle reaches, it is 9.1 km long, on the lower section from a little below the inflow from the landfill, from where official maps clearly identify it as the Breitenbvrunner Bach in contrast to the previous sections , about 1 ,8 kilometers. On the 9.1 km total route from its highest origin, which is about 78 meters above its mouth, it has an average bottom gradient of about 8.6 ‰, on its only 1.8 km long section, in the course of which it is only about 10 meters in altitude loses, of only about 5.5 ‰.

Catchment area

The catchment area of ​​the Breitenbrunner Bach covers 17.4 km² and has roughly the contour of a narrow, 9.5 km far from the Kuhfels ( 568  m above sea level ) in the west near Bachetsfeld to the summit of the Vogelberg ( 494  m above sea level ) at its eastern tip about 1.5 km southeast of the confluence near the city limits of Sulzbach-Rosenberg to the municipality of Poppenricht extending hose.

The hydrologically most important watershed lies on its short western border, here borders the catchment area of ​​the Högenbach and, for a short time, its tributary Etzelbach , which drain through Pegnitz , then Regnitz , Main and finally the Rhine , while the waters of the Breitenbrunner Bach over the Rosenbach and the Vils that Naab enters the Danube ; this part of the border is therefore part of the main European watershed between the Black Sea and the North Sea . Behind the long northern watershed, compared to the Breitenbrunn brook, shorter brooks, which are also mostly dry on the upper reaches, drain east to the upper Rosenbach. Beyond the equally long southern one, the more stable Fiederbach rivals the Vils tributary Ammerbach , which has an adjacent dry valley system in the south of the Breitenbrunner Bach in the unstable upper reaches of the mouth .

The highest point of the catchment area is in the area of ​​the Kuhfelsen at its south-west corner, a rocky summit northeast of the hamlet of Rothsricht in the Birgland community reaches 570  m above sea level here on the community border with Illschwang . NHN .

geology

The entire catchment area of ​​the Breitenbrunn brook lies on the eastern edge of the Franconian Jura , on the upper and middle reaches up to the point where it crosses over to the Sulzbach-Rosenberg area, the Malm rocks of the Upper Jura cover the surrounding landscape. Then it runs through a strip of Upper Chalk , in which an Upper Jurassic island is embedded, which extends from the north over the course to the Ziegenleite with the seven springs. At the very end, below the Spitzermühle, the course cuts through a narrow corner of the Central and then Lower Jurassic , which together are separated from the higher Jurassic rocks by a fault line following the valley of the Rosenbach to the right.

Web links

Commons : Breitenbrunner Bach  - Collection of images, videos and audio files

Individual evidence

BayernAtlas ("BA")

Official online waterway map with a suitable section and the layers used here: constant underflow of the Breitenbrunner Bach
General introduction without default settings and layers: BayernAtlas of the Bavarian State Government ( notes )

  1. a b c Height requested on the background layer Official map (right click).
  2. Length measured on the official map background layer .
  3. Height after black lettering on the background layer of the official map .
  4. Geology according to the layer geological map 1: 500,000 .

Water directory Bavaria ("GV")

  1. Length according to: Directory of stream and river areas in Bavaria - Naab river area, page 181 of the Bavarian State Office for the Environment, as of 2016 (PDF; 4.0 MB)
  2. ↑ Catchment area according to: Directory of stream and river areas in Bavaria - Naab river area, page 181 of the Bavarian State Office for the Environment, as of 2016 (PDF; 4.0 MB)