Andritzbach

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Andritzbach
Renatured stream shortly before the mouth

Renatured stream shortly before the mouth

Data
location Styria , Austria
River system Danube
Drain over Mur  → Drava  → Danube  → Black Sea
source in Stattegg on the eastern slope of the Hohen Rannach
47 ° 9 ′ 53 ″  N , 15 ° 24 ′ 52 ″  E
Source height 686  m above sea level A.
muzzle in the Graz district of Andritz at the level of the Arlandgrund in the Mur Coordinates: 47 ° 5 ′ 55 ″  N , 15 ° 24 ′ 49 ″  E 47 ° 5 ′ 55 ″  N , 15 ° 24 ′ 49 ″  E
Mouth height 350  m above sea level A.
Height difference 336 m
Bottom slope 38 ‰
length 8.8 km
Catchment area 18.51 km²
Left tributaries Procedure of the Andritz origin
Right tributaries Höllbach , Gabriachbach

The Andritzbach is a nearly 9 km long brook in the municipal area of Stattegg and Graz in Styria in Austria .

course

The Andritzbach rises in Stattegg on the eastern slope of the Hohen Rannach south of the Leber (and not, as is often assumed, in the Andritz origin ). Its upper course, often referred to as the Stattegg Brook , is routed as a street channel over long distances in the Stattegg-Hub area. After entering the urban area of ​​Graz, a Mühlgang branches off , which joins the Andritzbach again at the Andritz School Biology Center north of St. Veiter Straße .

The stream follows the Stattegger Straße before it branches off to the right and flows through the Andritz AG site . The Andritzbach flows through the entire Andritz district of Graz and flows into the Mur at the level of the Arlandgrund in the Weinzödl bird sanctuary , which was prescribed in 2017 .

The most important tributaries of the Andritzbach are the flow of the original source as well as the Gabriachbach and the Höllbach .

Flood hazard

Due to its extensive catchment area and - especially in the Graz city area - to small stream beds, the Andritzbach quickly floods. Over 250 houses are affected. The HQ100 is calculated with a discharge of 26 m³ / s. For this reason, flood protection measures have been in progress since 2012. [obsolete] A flood retention basin is planned on the Höllbach with 120,000 m³ (discharge reduction from 9 to 0.5 m³) and directly on the Andritzbach with 160,000 m³ volume, which should reduce the water volume from 26 to 10 m³ / s. In addition, the lower reaches of the Höllbach will be enlarged and renatured.

Water use

The Andritzbach contributes to the water supply in Graz via a discharge in the area of ​​the machine factory . The water is used to recharge the groundwater in the Andritz waterworks.

  • Upper course in Stattegg-Hub

  • Reunification of the Andritzbach and its Mühlgang at the Andritz School Biology Center

  • Confluence of the Andritzbach into the Mur (2013)

Web links

Commons : Andritzbach  - Collection of images, videos and audio files

Individual evidence

  1. ↑ a b Measured out of GIS-Styria
  2. ↑ a b c Dietmar Lautscham: The Andritzbach - a great opportunity for sustainable water development in urban areas. In: Wasserland Steiermark 1/2011 , pp. 12-17. Archive link ( Memento of the original from March 4, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. (PDF; 6.6 MB), accessed on July 26, 2015 @1@ 2Template: Webachiv / IABot / www.wasserland.steiermark.at
  3. ↑ Helmut Bimeshofer (2001): Waters and Caves . In: The Schöckl. Natural and cultural landscape of Graz's local mountain , pp. 103–113, ISBN 3-85333-071-1 .