Lac de Pareloup: Difference between revisions
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At an elevation of 805 m, its surface area is 12.6 km². |
At an elevation of 805 m, its surface area is 12.6 km². |
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The impermeable [[granite]] rocks are very suitable for water capture though the undulating landscape alone does not allow the verticle drops needed for power generation. However, in 1950 the barrage was built and a [[goit]] dug leading to the [[Lac de Villefranche-de-Panat]] where the waters drop 461m vertically to the power station at [[Le Pouget (power station)|Le Pouget]] on the [[Tarn (river)|Tarn river]]. |
The impermeable [[granite]] rocks are very suitable for water capture though the undulating landscape alone does not allow the verticle drops needed for power generation. However, in 1950 the barrage was built and a [[goit]] dug leading to the [[Lac de Villefranche-de-Panat]] where the waters drop 461m vertically to the power station at [[Le Pouget (power station)|Le Pouget]] on the [[Tarn (river)|Tarn river]]. |
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This is the fifth largest hydroelectric reservoir by area in France having an area of 1260 hectares. It was formed by creating a dam across the [[Vioulou]], and pumping water 6.4 km, up 80 m from the 53-hectare [[Lac de Bage|Bage reservoir]] on the Bage river and water from the 200 ha [[Pont-de-Salars]] reservoir on the [[Viaur]]. |
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| ⚫ | Waters from Pareloup can be directed either through the downstream Viaur to the power station at [[Thuries]] or through a 10.9 km tunnel to the power station at [[Alrance]] at the head of the Lac de Villefranche-de-Panat. A small amount (3.5 hm<sup>3</sup>) is extracted for use as drinking water in [[Rodez]] and [[Segala]]. Pareloup has a catchment area of 376 km<sup>2</sup>: 160 km<sup>2</sup> from the Vioulou, Gourde and [[Céor]], 216 km<sup>2</sup> from the Viaur and Bage. The dam at Pareloup is 43.45 m high and 232 m long- it is 15.87 metres thick at its base, tapering to 2.77 m at the rim. It holds back 167 million m<sup>3</sup> of usable water.<ref>Energie Midi-Pyrénées (1994)</ref> |
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[[File:Tarn-Viaur.svg|thumb|centre|400px|Diagram of the linked rivers, reservoirs, dams, pipelines, pumping stations and power stations.]] |
[[File:Tarn-Viaur.svg|thumb|centre|400px|Diagram of the linked rivers, reservoirs, dams, pipelines, pumping stations and power stations.]] |
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Revision as of 20:47, 1 October 2012
| Lac de Pareloup | |
|---|---|
| Location | Aveyron |
| Coordinates | 44°12′19″N 2°45′26″E / 44.205408°N 2.757167°E |
| Type | reservoir |
| Primary inflows | Vioulou, pumping station at Bage- taking water from the Viaur and the Bage |
| Primary outflows | Vioulou, lac de Villefranche-de-Panat via the Alrance power station |
| Catchment area | 376 km² |
| Basin countries | France |
| Surface area | 12.6 km² |
| Water volume | 169 million m³ |
| Residence time | |
| Surface elevation | 805 m |
Lac de Pareloup is a lake in Aveyron, France. It lies on the Lévézou plateau, 25km south east of Rodez.
Description
At an elevation of 805 m, its surface area is 12.6 km². The impermeable granite rocks are very suitable for water capture though the undulating landscape alone does not allow the verticle drops needed for power generation. However, in 1950 the barrage was built and a goit dug leading to the Lac de Villefranche-de-Panat where the waters drop 461m vertically to the power station at Le Pouget on the Tarn river.
This is the fifth largest hydroelectric reservoir by area in France having an area of 1260 hectares. It was formed by creating a dam across the Vioulou, and pumping water 6.4 km, up 80 m from the 53-hectare Bage reservoir on the Bage river and water from the 200 ha Pont-de-Salars reservoir on the Viaur.
Waters from Pareloup can be directed either through the downstream Viaur to the power station at Thuries or through a 10.9 km tunnel to the power station at Alrance at the head of the Lac de Villefranche-de-Panat. A small amount (3.5 hm3) is extracted for use as drinking water in Rodez and Segala. Pareloup has a catchment area of 376 km2: 160 km2 from the Vioulou, Gourde and Céor, 216 km2 from the Viaur and Bage. The dam at Pareloup is 43.45 m high and 232 m long- it is 15.87 metres thick at its base, tapering to 2.77 m at the rim. It holds back 167 million m3 of usable water.[1]
References
- Notes
- ^ Energie Midi-Pyrénées (1994)
- Bibliography
- EDF Production Transport- Energie Midi-Pyrénées (1994). "Présentation de l aménagement hydroélectrique du Pouget et du barrage de Pareloup (Aveyron)". Hydroécol. Appl. (1994) (in French). 6. 31057 Toulouse,: EDF: 1–7. OCLC DOI: 10.1051/hydro:1994001. Retrieved Sept 2012.
{{cite journal}}: Check|oclc=value (help); Check date values in:|accessdate=(help)CS1 maint: extra punctuation (link) CS1 maint: location (link)
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