The Aure () is a river in northwestern France, in the department of

Calvados Calvados (, , ) is a brandy from Normandy in France, made from apples or pears, or from apples with pears. History In France Apple orchards and brewers are mentioned as far back as the 8th century by Charlemagne. The first known record of Nor ...

. It is long. Its source is in

Caumont-l'Éventé Caumont-l'Éventé () is a former commune in the Calvados department in northwestern France. On 1 January 2017, it was merged into the new commune Caumont-sur-Aure.Vire Vire () is a town and a former commune in the Calvados department in the Normandy region in northwestern France. On 1 January 2016, it was merged into the new commune of Vire Normandie. Geography The town is located on the river Vire. Much of i ...

Isigny-sur-Mer Isigny-sur-Mer (, literally ''Isigny on Sea'') is a commune in the Calvados department and Normandy region of north-western France. It is part of the communauté de communes Isigny-Omaha Intercom, the 59 communes of which have a combined pop ...

. The largest town on the Aure is

Bayeux Bayeux () is a Communes of France, commune in the Calvados (department), Calvados Departments of France, department in Normandy (administrative region), Normandy in northwestern France. Bayeux is the home of the Bayeux Tapestry, which depicts ...

History

In modern history, crossing of the Aure is noted in the advances of units of infantry of the United States as they undertook liberation of France from

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

in June, 1944. The river leads to a small mill that formerely was used to make cotton.

Hydrology and water quality

The Aure river has relatively high

turbidity Turbidity is the cloudiness or haziness of a fluid caused by large numbers of 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. Fluids can ...

and its brownish water is moderate in velocity due to the slight gradient of the watercourse, although the narrow channel in locations like

centre engenders higher surface velocities; pH levels have been measured at 8.35 in the centre of Bayeux near the Bayeux Tapestry MuseumHogan, C. Michael, ''Water quality of freshwater bodies in France'', Lumina Tech. Press, Aberdeen, Scotland (2006) and

electrical conductivity Electrical resistivity (also called specific electrical resistance or volume resistivity) is a fundamental property of a material that measures how strongly it resists electric current. A low resistivity indicates a material that readily allow ...

of the waters have tested at 37 micro-siemens per centimetre.

Turbidity Turbidity is the cloudiness or haziness of a fluid caused by large numbers of 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. Fluids can ...

has been measured at 13 centimetres by the

Secchi disc The Secchi disk (or Secchi disc), as created in 1865 by Angelo Secchi, is a plain white, circular disk in diameter used to measure water transparency or turbidity in bodies of water. The disc is mounted on a pole or line, and lowered slowly down ...

method. At this reference location of Bayeux, summer flows are typically in the range of .

Tributaries

*Le Lieu Gueroult (ruisseau) *Ruisseau de la Baronnie *Le Vession (ruisseau) *L'Aurette (L) *Ruisseau de Fumichon *Ruisseau du Ponchot *La

Drôme Drôme (; Occitan: ''Droma''; Arpitan: ''Drôma'') is the southernmost department in the Auvergne-Rhône-Alpes region of Southeastern France. Named after the river Drôme, it had a population of 516,762 as of 2019.

(L) ~ 58 km long ~ its main affluent *Le Cachiau (ruisseau) *Le Douet du Val (ruisseau) *Le Douet de Riloques (ruisseau) *Le Douet de Courtelay (ruisseau) *La Tortonne (L) *L'Esque (L) *Ruisseau du Moulin Dannebey *Ruisseau de la Bellaie

References

Rivers of France Rivers of Normandy Rivers of Calvados (department) {{France-river-stub