Aure River
Encyclopedia
The Aure is a river in northwestern France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 in the region of Lower Normandy. Its source is in Caumont-l'Éventé
Caumont-l'Éventé
Caumont-l'Éventé is a commune in the Calvados department in northwestern France.-Population:-Administration:Caumont-l'Éventé is the seat of the canton of Caumont-l'Éventé, which includes 14 communes with 6373 inhabitants .-References:*...

, and it flows into the river Vire
Vire River
The Vire is a river in Normandy, France whose 128 km course crosses the départements of Calvados and Manche, flowing through the towns of Vire, Saint-Lô and Isigny-sur-Mer, finally flowing out into the English Channel....

 in Isigny-sur-Mer
Isigny-sur-Mer
Isigny-sur-Mer is a commune in the Calvados department in the Basse-Normandie region in northwestern France.-Geography:Positioned at the bottom of the baie des Veys, Isigny is an important milk production area, known for its AOC butter and cream, as well as its cheeses made by the Isigny Sainte...

. The largest town on the Aure is Bayeux
Bayeux
Bayeux is a commune in the Calvados department in Normandy in northwestern France.Bayeux is the home of the Bayeux Tapestry, which depicts the events leading up to the Norman conquest of England.-Administration:Bayeux is a sub-prefecture of Calvados...

.

History

In modern history, crossing of the Aure is noted in the advances of units of infantry of the USA as they undertook liberation of France from the Nazis in June, 1944. The river lead's to a small mill that used to make cotton.

Hydrology and water quality

The Aure river has relatively high turbidity
Turbidity
Turbidity is the cloudiness or haziness of a fluid caused by individual particles that are generally invisible to the naked eye, similar to smoke in air. The measurement of turbidity is a key test of water quality....

 and its brownish water is moderate in velocity due to the slight gradient of the watercourse, although the narrow channel in locations like Bayeux
Bayeux
Bayeux is a commune in the Calvados department in Normandy in northwestern France.Bayeux is the home of the Bayeux Tapestry, which depicts the events leading up to the Norman conquest of England.-Administration:Bayeux is a sub-prefecture of Calvados...

 centre engenders higher surface velocities; pH
PH
In chemistry, pH is a measure of the acidity or basicity of an aqueous solution. Pure water is said to be neutral, with a pH close to 7.0 at . Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline...

 levels have been measured at 8.35 in the centre of Bayeux near the Bayeux Tapestry
Bayeux Tapestry
The Bayeux Tapestry is an embroidered cloth—not an actual tapestry—nearly long, which depicts the events leading up to the Norman conquest of England concerning William, Duke of Normandy and Harold, Earl of Wessex, later King of England, and culminating in the Battle of Hastings...

 Museum and electrical conductivity of the waters have tested at 37 micro-siemens per centimetre. Turbidity
Turbidity
Turbidity is the cloudiness or haziness of a fluid caused by individual particles that are generally invisible to the naked eye, similar to smoke in air. The measurement of turbidity is a key test of water quality....

 has been measured at 13 centimetres by the Secchi disc method. At this reference location of Bayeux, summer flows are typically in the range of 50 cuft/s.
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