SOME PHYSICAL AND MECHANICAL PROPERTIES OF POLAR SNOW

SOME PHYSICAL AND MECHANICAL PROPERTIES OF POLAR SNOW

Specimens of snow from the South Pole were tested to investigate air permeability, ultimate compressive strength and dynamic Young's modulus as a function of density. Anisotropy in a single layer of snow (snow between two summer crusts) was found in all three properties. Comparison with data fo...

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Bibliographische Detailangaben
1. Verfasser: Ramseier,Rene O
Format: Report
Sprache:eng
Schlagworte:
AIR
ANISOTROPY
ANTARCTIC REGIONS
COMPRESSIVE PROPERTIES
CREEP
MECHANICAL PROPERTIES
PERMEABILITY
SNOW
Snow, Ice and Permafrost
VISCOELASTICITY
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Zusammenfassung:Specimens of snow from the South Pole were tested to investigate air permeability, ultimate compressive strength and dynamic Young's modulus as a function of density. Anisotropy in a single layer of snow (snow between two summer crusts) was found in all three properties. Comparison with data for snow from Site II, Greenland, showed an empirical relation for both areas. Air permeabilities are different at the two sites because of time and meteorological effects. (Author)