Argensee
| Argensee | |
|---|---|
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| The Argensee from the south bank in autumn 2017 | |
| Geographical location | Kisslegg , Ravensburg district , Baden-Württemberg , Germany |
| Tributaries | Gebrazhofer Bach and several ditches in the north and northeast |
| Drain | Argenseebach → Wolfegger Ach → Schussen → Lake Constance / Rhine → North Sea |
| Data | |
| Coordinates | 47 ° 46 '34 " N , 9 ° 55' 38" E |
| Altitude above sea level | 655.3 m above sea level NHN |
| surface | 26.7 ha |
| volume | 1,077,000 m³ |
| Maximum depth | 8.0 m |
| Middle deep | 4.0 m |
| Catchment area | 5.73 km² |
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particularities |
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The Argensee is a still water in the area of the Baden-Württemberg community Kißlegg in the district of Ravensburg in Germany .
location
The approximately 27 hectares large Argensee , about three and a half kilometers southeast of Kißlegg center at an altitude of 655.3 meters above sea level. Located at the NHN , it is used today for fishing and swimming.
Hydrology
The lake was formed around 16,000 years ago towards the end of the last glacial period. Its catchment area extends to 573 hectares. The size of the water surface is 26.7 hectares , with an average depth of 4.0 meters and a maximum depth of 8.0 meters, the volume is around 1,077,000 cubic meters.
The main inflow of the lake takes place from the north and northeast through several ditches and the Gebrazhofer Bach , the outflow over the Wuhrmühleweiher and Argenseebach to Wolfegger Ach and Schussen into Lake Constance and thus to the Rhine and ultimately into the North Sea .
ecology
By 2015 Kißlegg and were Leutkirch im Allgäu (only catchment area) with the Argensee the action program for the rehabilitation of Upper Swabian lakes involved. An important goal of this program is to reduce nutrient inputs into streams, lakes and ponds and thereby improve and maintain the condition of the water bodies.
The catchment area of the lake is used 25 percent for forest and 60 percent for agriculture - mainly grassland.
| year | 1987 | 1988 | 1989 | 1992 | 1997 | 2002 | 2006 | 2011 |
| Total PO 4 - phosphorus (µg / l) | - | 44 | 65 | 44 | 46 | 39 | 40 | 27 |
| Chlorophyll a (µg / l) | 21st | 22nd | 33 | - | 23 | 14th | 10 | 12 |
| Chlorophyll a peak (µg / l) | 44 | 49 | 149 | - | 38 | 45 | 25th | 19th |
| total inorganic nitrogen a (mg / l) | 0.93 | 0.81 | 0.98 | 0.62 | 0.46 | 0.77 | 1.02 | 0.74 |
| Viewing depth (m) | 1.8 | 1.5 | 2.0 | - | 1.7 | 2.2 | 1.8 | 2.0 |
Protected areas
The Argensee is part of the surrounding landscape protection area " Argensee " as well as the FFH area " Wetlands near Waldburg and Kißlegg ".