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Gravelius compactness co-efficient [1 record]

Record 1 2002-10-16

English

Subject field(s)
  • Hydrology and Hydrography
OBS

... for an equivalent coefficient of compacity K (sub)c, terrestrial drainage systems are twice as dense as the martian ones.

Key term(s)
  • Gravelius compactness coefficient

French

Domaine(s)
  • Hydrologie et hydrographie
CONT

Un bassin versant est défini en premier lieu par son contour, qui a une certaine forme et enclôt une certaine superficie. L'indice admis par tous les hydrologues pour représenter cette caractéristique est le «coefficient de compacité de Gravelius». On l'établit en comparant le périmètre du bassin à celui d'un cercle qui aurait la même surface. Le coefficient K (c) de Gravelius est égal au rapport de ces deux grandeurs.

Spanish

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