TERMIUM Plus®

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

TIDAL CHART [3 records]

Record 1 2020-10-29

English

Subject field(s)
  • River and Sea Navigation
CONT

The design and review specialists calculate the minimum depth allowance that will determine physical threats that the vessel cannot pass over safely. Where there are insufficient depths at chart datum but sufficient depth at high tide, the harbour is reviewed as tidal assist, and a best-depth route is chosen that would enable a vessel to pass through to the open sea.

French

Domaine(s)
  • Navigation fluviale et maritime
CONT

Les spécialistes en conception et en examen calculent la profondeur minimale admissible qui permettra de déterminer la nature des menaces physiques au–dessus desquelles un navire ne pourra passer sans danger. Lorsque la profondeur est insuffisante au zéro des cartes mais suffisante à marée haute, le port est alors révisé comme étant aidé par la marée et l'on choisit la route offrant la meilleure profondeur qui permettra à un bateau d'atteindre la mer libre.

Spanish

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Record 2 2004-01-07

English

Subject field(s)
  • Cartography

French

Domaine(s)
  • Cartographie

Spanish

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Record 3 1994-11-29

English

Subject field(s)
  • Cartography
DEF

A map of sea or ocean areas, on which tidal phenomena are represented usually by means of arrows, numerals and isolines. Such maps were more commonly made of relatively shallow seas and coastal areas, rather than of the open ocean.

French

Domaine(s)
  • Cartographie
OBS

Source : An historical glossary of cartographic innovations and their diffusion (Helen Wallis) (1976).

Spanish

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