Niche
| Niche | ||
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| Data | ||
| Water code | FR : A4400300 | |
| location |
France
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| River system | Rhine | |
| Drain over | Moselle → Rhine → North Sea | |
| source | Municipality boundary between Bellefontaine and Saint-Nabord 47 ° 59 ′ 50 ″ N , 6 ° 30 ′ 25 ″ E |
|
| Source height | 590 m | |
| muzzle | in Arches in the Moselle Coordinates: 48 ° 6 ′ 59 ″ N , 6 ° 32 ′ 21 ″ E 48 ° 6 ′ 59 ″ N , 6 ° 32 ′ 21 ″ E |
|
| Mouth height | 346 m | |
| Height difference | 244 m | |
| Bottom slope | 13 ‰ | |
| length | 19 km | |
| Catchment area | 57 km² | |
| Drain at the mouth |
MQ |
1.49 m³ / s |
The Niche is a 19 kilometer long left tributary of the Moselle with a catchment area of 57 km² in the Grand Est region .
geography
Headwaters
The source is located in the Étang de La Broche d'Avaux , a small pond in the Forêt domaniale de Humont forest on the border between the municipal areas of Bellefontaine and Saint-Nabord . The watershed between the river systems of the Rhine and the Rhone is located only 200 meters southwest of the headwaters at around 605 meters above sea level .
course
The Niche flows through the municipality of Raon-aux-Bois (including the districts of Raon Basse and La Chaoteuse ) after passing the town of Fallières , which belongs to Saint-Nabord . Further north it reaches the districts of La Saucey and Aneuménil in the municipality of Arches and finally flows into the Moselle east of the center of Arches . The last 400 meters of the river runs under an industrial company, channeled to the mouth of the Moselle.
Tributaries
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left tributaries
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right tributaries
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Hydrology
An average flow rate of 1.49 m³ per second is specified for the niche. The discharge can fluctuate strongly depending on the season. The lowest value was measured in the last 10-year cycle with 0.215 m³.