Ternoise

Infobox_River
river_name = Ternoise


image_size = 280px
caption =
origin = Pas-de-Calais
mouth = Canche
coord|50|22|53|N|2|0|41|E|name=Canche-Ternoise|display=inline,title
basin_countries = France
length = 43 km
elevation =
discharge = 4.45 m³/s
watershed = 342 km²

The river Ternoise is one of the small chalk streams that flow from the plateau of the southern Boulonnais and Picardy, via the Canche, into the English Channel. The basin of the Ternoise extends to 342 square kilometres and lies in the southern end of the département of Pas-de-Calais. It’s one of the rivers of the Seven Valleys tourist area.

Geography

Rising at Ligny-Saint-Flochel, passing through Saint-Pol-sur-Ternoise and joining the river Canche at Huby-Saint-Leu, near to the town of Hesdin.

Towns and villages along the course

The Ternoise flows through the following places (all within the Pas-de-Calais department):

* Ligny-Saint-Flochel, Roëllecourt, Saint-Michel-sur-Ternoise, Saint-Pol-sur-Ternoise, Gauchin-Verloingt, Hernicourt, Wavrans-sur-Ternoise, Monchy-Cayeux, Anvin, Teneur, Érin, Tilly-Capelle, Blangy-sur-Ternoise, Blingel, Rollancourt, Auchy-lès-Hesdin, le Parcq, Grigny and Huby-Saint-Leu.

Tributaries

The Faux and the Eps are the only principle watercourses joining the Ternoise.

Hydrological Information

The Ternoise is a very uniform river. Seasonal flow fluctuations are very not very marked, similar to the Canche or the Somme, its neighbours. The higher water flows occur at the end of winter and in the spring. Average flows vary between 3.44 m³ per second in September to 5.36 m³ per second in March.

ee also

Schéma directeur d'aménagement et de gestion des eaux

References

This article is derived from the French Wikipédia.
*"Carte Géologique de la France à l'échelle du millionième" 6th edn. BRGM (2003) ISBN 2-7159-2158-6
*http://www.geoportail.fr
* [http://sandre.eaufrance.fr/app/chainage/courdo/htm/E5400650.php?cg=E5400650 The Ternoise at the Sandre database]

Gallery

External links

* [http://www.hydro.eaufrance.fr/selection.php Banque Hydro - Station E5406510 - La Ternoise à Hesdin (option Synthèse) ]
* [http://sandre.eaufrance.fr/app/chainage/ Site du SANDRE]
* [http://www.quid.fr/communes.html?mode=browse Accès aux villes et villages de France du Quid]
* [http://perso.orange.fr/sagedelacanche/carte/presentationbv.pdf Carte des bassins versants de la Canche et de la Ternoise]

* [http://www.nord-pas-de-calais.ecologie.gouv.fr/v4/Donnees/azi/index.asp Informations sur les atlas des zones inondables]