The Aure () is a river in northwestern France, in the department of Calvados. 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 in
Isigny-sur-Mer
Isigny-sur-Mer (, literally ''Isigny on Sea'') is a Communes of France, commune in the Calvados (department), Calvados Departments of France, department and Normandy (administrative region), Normandy Regions of France, region of north-western Fra ...
. The largest town on the Aure is
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 in 1066. It is also known as the fir ...
.
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 lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
in June, 1944. The river leads to a small mill that formerly 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 both water clarity and wa ...
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 (, ; ) 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 in 1066. It is also known as the fir ...
centre engenders higher surface velocities; pH levels have been measured at 8.35 in the centre of Bayeux near the
Bayeux Tapestry
The Bayeux Tapestry is an embroidery, embroidered cloth nearly long and tall that depicts the events leading up to the Norman Conquest, Norman Conquest of England in 1066, led by William the Conqueror, William, Duke of Normandy challenging H ...
MuseumHogan, C. Michael, ''Water quality of freshwater bodies in France'', Lumina Tech. Press, Aberdeen, Scotland (2006) and
electrical conductivity
Electrical resistivity (also called volume resistivity or specific electrical resistance) is a fundamental specific property of a material that measures its electrical resistance or how strongly it resists electric current. A low resistivity in ...
of the waters have tested at 37 microsiemens 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 both water clarity and wa ...
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 dow ...
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