TERMIUM Plus®

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alluvial-slope spring [1 record]

Record 1 2012-01-16

English

Subject field(s)
  • Hydrology and Hydrography
  • Geology
DEF

A spring which occurs on the lower slope of an alluvial cone at the point where the water table slope and the surface gradient are equal.

OBS

This point is often located at the point of gradation from pervious sand with a flat water table slope to less pervious alluvial material which calls for a steep slope to carry the water supplied from above.

French

Domaine(s)
  • Hydrologie et hydrographie
  • Géologie
DEF

[...] source qui apparaît à la partie inférieure d'un cône de déjection au point où la pente de la surface de la nappe phréatique est égale à celle du cône.

OBS

Ce point est souvent situé à l'endroit de transition entre un sable perméable avec pente douce de la nappe phréatique et un matériau alluvial moins perméable qui exige une pente raide pour laisser passer l'eau venant d'en haut.

Spanish

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