Aach (Lake Constance, Arbon)

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Aach
Fallentürlibach
Source of the Hegibach

Source of the Hegibach

Data
Water code CH : 309
location Switzerland
River system Rhine
Drain over Rhine  → North Sea
origin The confluence of the Feilebach and Hegibach rivers in the Stachen von Arbon district
47 ° 30 ′ 41 ″  N , 9 ° 24 ′ 59 ″  E
Source height 399  m above sea level M.
muzzle in Lake Constance coordinates: 47 ° 30 ′ 24 ″  N , 9 ° 26 ′ 9 ″  E ; CH1903:  750 452  /  263677 47 ° 30 '24 "  N , 9 ° 26' 9"  O
Mouth height 395  m above sea level M.
Height difference 4 m
Bottom slope 2.4 ‰
length 1.7 km (with Hegibach 12.9 km)
Catchment area 33.2 km²
Communities Arbon
Aachweiher Arbon.jpg

The Aach is a river in the Swiss canton of Thurgau . It is created by the confluence of the Feilebach and Hegibach rivers in the Arbon district of Stachen and flows into Lake Constance after a 2-kilometer run . It drains an area of ​​around 33 square kilometers and, together with its longest source stream, the Hegibach, is 10 kilometers long. The section from the confluence of the source streams to the confluence with the Arboner Weiher is also called Fallentürlibach .

geography

course

The Aach arises in the area of ​​the formerly independent Arbon district of Stachen and runs through a number of meanders in the Arbon urban area . Shortly before the river flows into Lake Constance, it is dammed by means of sluices in order to regulate the inflow to the lake. This led to the creation of a pond called Arboner Weiher, which is an attraction in Arbon, especially in winter when people ice-skate on it . Swans also breed on the bank of the pond .

Tributaries

  • Feilebach ( left source stream ), 9.0 km
  • Hegibach ( right source stream ), 11.2 km
  • Salbach ( right ), 7.8 km

pollution

Due to the increasing pollution of the river, various fish species have disappeared in the last few decades, including the brown trout . Rubbish repeatedly ends up in the river, as well as faeces from the nearby housing estates and manure from agriculture. Lately attempts have been made to renaturate , and school classes in the city regularly clean the Aach in project weeks.

Others

The connecting road Arbon-Landquart ( belonging to the cantonal road to Berg ) leads over the Aach. The bridge over the river, built in 1910, was renovated for the first time in April 2006 - after more than 90 years.

Web links

Commons : Aach  - collection of images, videos and audio files

Individual evidence

  1. ↑ a b c Geoserver of the Swiss Federal Administration ( information )
  2. ↑ ThurGIS Viewer water cadastre
  3. ↑ Official announcement for the renovation of the Aachbrücke ( memento of July 7, 2011 in the Internet Archive )