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HEAD POND [4 records]

Record 1 2017-03-01

English

Subject field(s)
  • Seed Plants (Spermatophyta)
Universal entry(ies)
OBS

A plant of the family Potamogetonaceae.

OBS

Richardson’s pondweed: preferred common name in the Inventory of Canadian Agriculture Weeds (2003).

Key term(s)
  • Richardson’s pond weed
  • red head pond weed
  • Richardson pond weed
  • redhead pondweed
  • redhead pond weed

French

Domaine(s)
  • Plantes à graines (Spermatophyta)
Entrée(s) universelle(s)
OBS

Plante de la famille des Potamogetonaceae.

OBS

potamot de Richardson : nom à privilégier selon l'Inventaire des mauvaises herbes du Canada (2003).

Spanish

Save record 1

Record 2 2010-09-03

English

Subject field(s)
  • Dams and Causeways
  • Hydroelectric Power Stations
DEF

The reservoir behind a run-of-river dam.

CONT

Because the mill takes water for its operations from the dam's head pond, ensuring the mill' s water intake will function without the dam is a critical precondition to breaching the dam.

CONT

This project is designed to provide safe and effective fish passage for anadromous fish above a 9 foot high, 90 foot long dam. It will provide anadromous fish with access to upstream riverine and ponded habitat. River herring spawning habitat will be increased by an addition [of] 74, 225 m². Alewife in particular will benefit from excellent nursery habitat in the dam's head pond.

OBS

Weirs and barrages are different types of ’run-of-river’ dams, this means that while they raise the water level upstream they create only a small reservoir (’head pond’) and cannot effectively regulate downstream flows.

Key term(s)
  • head pond

French

Domaine(s)
  • Barrages et chaussées
  • Centrales hydro-électriques
DEF

Volume (ou bassin) d'eau retenu en amont d'un barrage pour créer une énergie électrique potentielle ou pour une autre raison.

CONT

Proche du Barrage de St-Narcisse. En se promenant sur la rivière Batiscan on peut y voir le réservoir du barrage. Ce barrage sert à faire de l'électricité. On peut y pêcher beaucoup de poissons.

CONT

Avec une superficie de 80 000 mètres carrés, et une moyenne de 20 mètres de profondeur, le lac Zarqa est le principal réservoir du barrage King Talal.

Spanish

Save record 2

Record 3 2007-08-10

English

Subject field(s)
  • Storage of Water
  • Hydrology and Hydrography
DEF

A small reservoir or pond located at the head of the penstock of a hydroelectric power plant, which is used to store water in relatively small quantities to care for variations in the load which occur over short periods of time usually not exceeding several hours.

French

Domaine(s)
  • Stockage des eaux
  • Hydrologie et hydrographie
DEF

Chambre à l'air libre, aménagée à l'entrée d'une canalisation ou d'une turbine, servant à emmagasiner des volumes d'eau relativement faibles pour compenser des variations de charge.

Spanish

Campo(s) temático(s)
  • Almacenamiento del agua
  • Hidrología e hidrografía
DEF

Pequeño embalse o estanque situado a la entrada de un conducto o canalización. Utilizado para almacenar cantidades relativamente pequeñas de agua, con el fin de atender a las variaciones de la demanda que se produzcan durante períodos cortos de tiempo, que generalmente no exceden de unas pocas horas.

Save record 3

Record 4 1992-01-14

English

Subject field(s)
  • Dams and Causeways
  • Hydroelectric Power Stations

French

Domaine(s)
  • Barrages et chaussées
  • Centrales hydro-électriques

Spanish

Save record 4

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