TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

drop-down curve [2 records]

Record 1 1986-05-09

English

Subject field(s)
  • Statistical Graphs and Diagrams
  • Hydrology and Hydrography
DEF

The longitudinal shape of the water surface in a stream or open conduit upstream from a point where a sudden fall occurs, as when flowing water passes over a dam, weir, or other obstruction. In uniform channels the curve is convex upward. The depth at all points is greater than Belanger's critical depth and less than normal depth, and velocities increase downstream, the flow being nonuniform.

French

Domaine(s)
  • Diagrammes et graphiques (Statistique)
  • Hydrologie et hydrographie
DEF

Dans un écoulement à surface libre, forme particulière de la ligne d'eau qui suit une courbe convexe, par exemple, dans une nappe de déversement libre par-dessus un déversoir.

Spanish

Save record 1

Record 2 1985-07-09

English

Subject field(s)
  • Civil Engineering

French

Domaine(s)
  • Génie civil
OBS

BT-44

Spanish

Save record 2

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