TERMIUM Plus®

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CANOPY GAP FRACTION [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2014-10-30

English

Subject field(s)
  • Remote Sensing
DEF

The percentage of gaps in the canopy at a given zenith angle.

CONT

TRAC [Tracing Radiation and Architecture of Canopies] is an optical instrument for measuring LAI [Leaf Area Index]. TRAC measures canopy gap size distribution in addition to canopy gap fraction.

OBS

[The gap fraction] is usually obtained from radiation transmittance.

French

Domaine(s)
  • Télédétection
DEF

Pourcentage de trous [du couvert forestier] à un angle zénithal donné.

CONT

TRAC [Tracing Radiation and Architecture of Canopies] est un instrument optique qui sert à mesurer l'ISF [Indice de surface foliaire]. Il mesure la distribution de la taille des trous en plus de la fraction de trous du couvert forestier.

OBS

On l'obtient généralement en mesurant la transmittance de la lumière.

Spanish

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