Jachen

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Jachen
The Jachen stream on a sunny winter day (Bavaria, Germany) .JPG
Data
Water code DE : 16172
location Bad Tölz-Wolfratshausen district
River system Danube
Drain over Isar  → Danube  → Black Sea
origin Walchensee discharge
47 ° 35 ′ 8 ″  N , 11 ° 23 ′ 35 ″  E
Source height 802  m
muzzle at Lenggries -leck in the Isar Coordinates: 47 ° 38 '53 "  N , 11 ° 35' 4"  E 47 ° 38 '53 "  N , 11 ° 35' 4"  E
Mouth height approx.  687  m
Height difference approx. 115 m
Bottom slope approx. 5.1 ‰
length 22.7 km
Catchment area 84.9 km²
Discharge at the Peternerbrücke
A Eo gauge : 136 km²
Location: 11.1 km above the mouth 		NNQ (12/24/1948)
MQ 1948/2012
Mq 1948/2012
 MHQ 1948/2012
HHQ (08/23/2005) 		70 l / s
2.06 m³ / s
15.1 l / (s km²)
 46.9 m³ / s
139 m³ / s
Left tributaries Mühlbach, Große Laine , Reichenaubach, Brandtbach
Right tributaries Alpenbach, Wilfetsgraben, Steingraben, Raitgraben, Fleckengraben, Rotwandgraben, Aubach, Röhrmoosbach, Altelsbach, Rehgraben, Talgraben
Communities Jachenau , Lenggries
The Jachen flows into the Isar

The Jachen flows into the Isar

The Jachen is an approximately 23 km long river in Bavaria and a left or west tributary of the Isar . It is the natural outflow of the Walchensee near Niedernach , which has been blocked by a weir since 1924 in favor of the Walchensee power plant .

Until the 1950s, the Jachen became the of old drift of around Walchensee and in the Jachenau used logged timber. After the cordon near Niedernach, the Bavarian state undertook to provide additional water for 60 consecutive days between spring and August 15 each year to allow the wood to drift off. Jachenau has not made use of this right in the last few decades, as all wood is now transported from the valley by truck .

The river is fed by numerous streams from the heights on both sides of the Jachental, flows past the village of Jachenau in a FFH area designated by the EU and flows into the Isar on the left at the height of Fleck and Langeneck near Lenggries .

etymology

The river Jachen is mentioned in 1313 as Jachna , in 1457 as Jachenaw and in 1796 as Jachna, Jachnau, Jachenau, river in Ober-Baiern . In 1930 the dialectic form d'jåchna is documented for river and valley . Aha is therefore assumed as the original basic word . The personal name Jacho can be assumed as a defining word, but does not have to be.

Web links

Commons : Jachen  - collection of images

Individual evidence

  1. ↑ a b Directory of creek and river areas in Bavaria - Isar river area of the Bavarian State Office for the Environment, as of 2016 (PDF; 2.5 MB)
  2. ^ Bavarian State Office for the Environment: Statistics Peternerbrücke / Jachen . Retrieved January 29, 2016.
  3. ↑ http://www.geoportal.bayern.de/bayernatlas/?x=NHau7saY0ziFlKzvxfur-zOsdZLxsRnngO3UWwWXn1muHYn7nP0QSUHW30*hTJYHmkTvR5W-ZMLgAMGon-JdYjVw2g5CiC*O&X=5275832.83&Y=4464328.51&zoom=12&lang=de&topic=ba&bgLayer=historisch&catalogNodes=122
  4. ^ Agreement between the Bavarian State and the Jachenau community of April 9, 1925
  5. ↑ Gudelius, Jost, Die Jachenau, Jachenau 2008, ISBN 3-939751-97-9 , p. 207
  6. ↑ Wolf-Armin Frhr. von Reitzenstein : Lexicon of Bavarian place names. Origin and meaning . 2nd, improved and enlarged edition. Verlag C. H. Beck, Munich 1991, ISBN 3-406-35330-4 , p. 196.