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COHESION CAPILLAIRE [1 record]

Record 1 2004-02-10

English

Subject field(s)
  • Glaciology
  • Climatology
  • Polar Geography
OBS

Cohesion: The attraction force by which snow grains are held together as a coherent unit. This may be from bonding, interlocking crystal branches, or capillary action within the snow liquid water content.

OBS

It has been experimentally observed that a wet snowpack will remain stable at low saturation levels (up to 7%) ... all free water is attracted to the interfaces between the ice particles by capillary effects, and surface tensional forces through the liquid draw the particles together. This is classified as the pendular regime ...

OBS

The term "capillary cohesion" as an equivalent for "cohésion capillaire" has been found in a french source. However, according to the observations above, it seems to be appropriate.

French

Domaine(s)
  • Glaciologie
  • Climatologie
  • Géographie du froid
DEF

Cohésion due à la présence d'une pellicule d'eau liquide autour des grains (ronds).

OBS

cohésion: Lien existant entre les grains [de neige] à l'échelle microscopique.

Spanish

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