Hardtbach (Rhine)

from Wikipedia, the free encyclopedia
Hardtbach
The sections in the lower reaches are called:
  • The Old Bach (7.7–6.2 km)
  • Dransdorfer Bach (6.2-3.8 km)
  • Rheindorfer Bach / Mondorfer Bach (3.8–0 km)
Mouth of the Endeicher Bach from the right into the Dransdorfer Bach on Siemensstraße (Bonn)

Mouth of the Endeicher Bach from the right into the Dransdorfer Bach on Siemensstraße (Bonn)

Data
Water code DE : 27198
location North Rhine-Westphalia , Germany
River system Rhine
Drain over Rhine  → North Sea
source Southwest of Volmershoven
50 ° 40 ′ 19 ″  N , 7 ° 0 ′ 30 ″  E
Source height 159  m above sea level NHN
muzzle Near Bonn - Graurheindorf in the Rhine Coordinates: 50 ° 45 ′ 45 ″  N , 7 ° 4 ′ 56 ″  E 50 ° 45 ′ 45 ″  N , 7 ° 4 ′ 56 ″  E
Mouth height 50  m above sea level NHN
Height difference 109 m
Bottom slope 7.3 ‰
length 14.9 km
Catchment area 71.189 km²
Big cities Bonn
Communities Alfter

The Hardtbach is a 14.9 km long orographic left tributary of the Rhine in North Rhine-Westphalia , Germany .

geography

The Hardtbach rises southwest of Volmershoven on the municipality border between Alfter and Meckenheim at an altitude of 159  m above sea level. NHN . From here the stream flows to the northeast and after a short run reaches the southern outskirts of Volmershoven. This is where the stream coming from Kottenforst station flows, which is indicated by the water stationing map of North Rhine-Westphalia, contrary to its own topographic maps, as a source river with a total length of 17.1 km.

The Hardtbach Witterschlick flows further north , where the stream is canalised in the area of ​​the Deutsche Steinzeug Cremer & Breuer works . His further path leads him via Nettekoven and Oedekoven to the Bonn district of Lessenich / Meßdorf . From the city limits the brook is called Der Alte Bach . Here the canalised Heilsbach flows from the right . A few kilometers further, the stream reaches Dransdorf . From here on the brook is called Dransdorfer Bach . In Dransdorf the also canalised Endeicher Bach flows into it from the right . After the stream has crossed under the Federal Motorway 565 , it changes its name for the last time and is called from here to the mouth of the Rheindorfer Bach or Mondorfer Bach . Before that, the stream passes the Bonn-Castell district before it reaches Graurheindorf at 50  m above sea level. NHN flows into the Rhine on the left .

On its 14.9 km long path, the stream experiences a gradient of 109 meters, which corresponds to a mean bed gradient of 7.3 ‰.

Catchment area and tributaries

The catchment area of the Hardtbach is 71.189 km² and drains over the Rhine into the North Sea.

Tributaries of the Hardtbach
Stat. in km
Surname GKZ location Length
in km 		EZG
in km²
014.20 Hünnesbach 27198-? right 000.9000 ?
013.40 Tonbach 27198-112 Left0 001.0160 ?
012.00 Hitelbach 27198-12 right 001.3850 0002.0090
010.80 NN 27198-132 Left0 001.4590 ?
010.00 Katzenlochbach 27198-14 Left0 002.8630 0004,7220
009.80 Markeskaulenbach 27198-16 Left0 002,6980 0002.8970
007.50 Heilsbach 27198-19 right 001.7900 0000.6000
004.30 Endeicher Bach 27198-2 right 011,5630 0028.2980

Notes on the table

  1. ↑ waters code , the official in Germany watercourses code with inserted for readability separator behind the prefix uniform for all common outfall Hardt Bach stands.
  2. ↑ Not in the water directory of the State Office for Nature, Environment and Consumer Protection NRW 2010 (XLS; 4.67 MB) ( notes ). In older maps the upper reaches of the Hardtbach. Length as measured using the German base map 1: 5000.
  3. ↑ Not in the water directory of the State Office for Nature, Environment and Consumer Protection NRW 2010 (XLS; 4.67 MB) ( notes ).
  4. ↑ The most important tributary is the Endeicher Bach , even if it is not listed as an inflow in the water register of the State Office for Nature, Environment and Consumer Protection NRW 2010 (XLS; 4.67 MB) ( notes ).

Web links

Commons : Hardtbach  - Collection of Images

  • The old brook in Duisdorf (Bahnhofstrasse)

  • Dransdorfer Bach on the millipede .

  • Rheindorfer Bach before crossing under Estermannstrasse, Bonn.

  • The Rheindorfer Bach flows into the Rhine.

Individual evidence

  1. ↑ a b c d Water directory of the State Office for Nature, Environment and Consumer Protection NRW 2010 (XLS; 4.67 MB) ( Notes )
  2. ↑ a b German basic map 1: 5000
  3. ↑ Bach Development Plan 2008 , City of Bonn (PDF; 1.65 MB)