The Rhines

The the Rhines or Reins is a French Rivière , which runs in the departments of the the Rhone and the the Loire in area the Rhone-Alps. It is a direct affluent of the the Loire out of Right Bank which joins with Roanne the latter.

Geography

The Rhines takes its source in the Mounts of the Beaujolais to Ranchal, locality of the the Rhone located at 15 kilometers in the west of the town of Beaujeu and with ten kilometers in the south-south-east of Chauffailles. It moves initially right to the south, then oblique towards the west, and the North-West at the end of the course. It joins the the Loire with Roanne

Affluents

the Ghent, of which it receives water with Saint-Cyr-with-Favières.

Common crossings

Hydrology

The Rhines is a small rather abundant river. Its flow was observed over one 33 years period, with Saint-Cyr-with-Favières, locality of the department of the the Loire located little before its confluence with the Loire at Roanne (ref.: ). The catchment area of the river is of 427 km ².

The interannual medium flow or module of the river with Saint-Cyr-of-Favières is of 5,26 m ³ a second. The Rhines presents seasonal fluctuations of flow rather strong, with high waters of winter-spring, from November to May included, carrying the average monthly flows on the level from 6,3 to 9,3 m ³ a second (with an in February maximum). these high waters are followed of a fast fall to reach the period of low water level of summer, from July to September, with an average monthly minimum of 1,1 in August.

The VCN3 can fall until 0,15 m ³, in the event of dry quinquennial period. Let us recall that the VCN3 is the past minimal quantity or minimal flow over three days consecutive.

The risings can be very important in spite of the narrowness of its catchment area. The QIX 2 and QIX 5, or flows calculated for a biennial and quinquennial rising are worth respectively 61 and 91 m ³ a second. The QIX 10 or calculated flow of decennial rising is of 110 m ³ a second. As for the QIX 20, it is assembled to 130 m ³, while the QIX 50 reached 150 m ³ a second (see note).

The recorded maximum instantaneous flow was of 239 m ³ a second on May 1st, 1983. As for the maximum daily output it was of 132 m ³ a second the same day.

The flows of believed of the Rhines are higher than those of the Lignon of Drill just like close, although its medium flow is less, its catchment area.

The Rhines is an abundant but irregular river, supplied with rather important precipitations especially in the upper part of its basin (High Beaujolais). The Lame of water past in its catchment area is of 388 millimetres annually, which is higher than the overall average of France all confused basins, like to the average of the totality of the basin of the the Loire (244 millimetres with the Montjean-on-Loire). The specific Débit (or Qsp) is of 12,3 liters a second and per square kilometer of basin.

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