Geding Lake (

Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish a ...

: Geding Sø) is a lake west of the Aarhus suburb of

Tilst Tilst is a suburban area of Aarhus, Denmark, situated some 10 km to the west of Aarhus. The Tilst area is marked by big city blocks and large traditional suburban areas. In the surrounding area are several superstores, which mainly serve the inn ...

Aarhus Municipality Aarhus Municipality ( da, Aarhus Kommune), known as Århus Municipality ( da, Århus Kommune) until 2011, is a municipality in Central Denmark Region, on the east coast of the Jutland peninsula in central Denmark. The municipality covers an area ...

Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , establish ...

. The stream

Egå Egå is a both a suburban district and a stream in the Municipality of Aarhus in Denmark. Name Egå means 'Oak-stream' in English. The Egå stream The Egå stream runs north of the city of Aarhus, in the bottom of the flat valley of Egå ...

and the Egå

river valley A valley is an elongated low area often running between hills or mountains, which will typically contain a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams ...

begins here. The lake is bounded by the Aarhus-Randers Rail Line to the west. Geding Lake is also known under the older name ''Gjeding Sø''. The lake is connected to a myth and

folk story Folklore is shared by a particular group of people; it encompasses the traditions common to that culture, subculture or group. This includes oral traditions such as tales, legends, proverbs and jokes. They include material culture, ranging fro ...

stating that Geding Lake,

Brabrand Lake Brabrand Lake ( da, Brabrand-søen or Brabrand Sø) is a lake in the district of Brabrand (Gellerup), west of Aarhus city, Denmark. The Aarhus River passes through Brabrand Lake and it is possible to canoe all the way to the inner city from he ...

and ''Lading Lake'' was created during a battle between two giants that lived in the hills '' Hasle Høj'' and '' Borum Eshøj''.Se §108 fra Evald Tang Kristensen
Danske Sagn
Silkeborg Bogtrykkeri (1895). Until 1997, the hills on the eastern side of the lake were used for skiing including a ski lift provided by ''Aarhus SKi Club'', but due to lack of snow for years these activities have stopped.

Environmental conditions

Geding Lake is rich in calcium. The

ecosystem An ecosystem (or ecological system) consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the syste ...

of the lake has experienced problems with heightened levels of chlorophyll some 3 times higher than the targeted levels. The

catchment area In human geography, a catchment area is the area from which a location, such as a city, service or institution, attracts a population that uses its services and economic opportunities. Catchment areas may be defined based on from where people are ...

is fairly small at just a few square kilometers so the inflow of

phosphorus Phosphorus is a chemical element with the symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Ear ...

and

nitrogen Nitrogen is the chemical element with the symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at se ...

is relatively small compared to other lakes in Denmark but is still deemed too high and the surrounding agricultural areas would have to decrease runoff to the lake by some two kilograms annually to reach environmental targets. Over time it may be necessary to undertake a restoration project to return the lake to its natural condition. The neighboring Mundelstrup Stationsby has experienced a major pollution event from the fertilizer factory ''Mundelstrup Gødningsfabrik'' which was active in the area from 1870 to 1904 when it burned. The factory caused major pollution with heavy metals in Geding Lake,

Geding-Kasted Bog Geding-Kasted Mose is a bog about 7 kilometers north-west of Aarhus, in the western section of the Egå river valley though which the river Egå runs. The bog covers about 30 hectares of which a sizable portion is used as meadows for grazing cattl ...

and the river

, in particularly with

arsenic Arsenic is a chemical element with the symbol As and atomic number 33. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Arsenic is a metalloid. It has various allotropes, ...

. The factory has closed, the migration of heavy metals to waterbodies in the area has stopped and it is expected that the levels of arsenic will now decrease over time. However, the lake

sediment Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice or by the force of gravity acting on the particles. For example, sa ...

still contains high levels of the poison and Geding Lake is under continued observation for this reason.

Gallery

File:Egåen ved Geding Sø.jpg File:Geding Sø 1.jpg File:Geding Sø 2.jpg File:Geding Sø 3.jpg

References

;Publications *

External links

{{commonscat, Geding Sø, position=left Aarhus Municipality Lakes of Jutland