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Short Notes: New Data on the Thermal Conductivity of Natural Snow

  • Gunter E. Weller (a1) and Peter Schwkkdtfecjer (a2)

Abstract

The thermal conductivity and diffusivity of natural snow computed from Fourier-type analyses of annual snow temperature variations are shown to be strongly temperature dependent. The computed temperature coefficients of-0.007 and -0.012 deg-1 respectively, agree well with older laboratory experiments carried out on polycrystalline ice.

Résumé

D’après les analyses par séries de Fourier des variations annuelles de la température de la neige, on montre que la conductivité et la diffusivité thermique de la neige naturelle dépendent beaucoup de la température. Les coefficients thermiques calculés égaux respectivement à 0,007 et -0,012 deg-1, sont en bon accord avec des résultats de laboratoire plus anciens obtenus sur de la glace polycristalline.

Zusammenfassung

Die Wärmeleitfähigkeit und—durchlässigkeit natürlichen Schnees—berechnet aus Fourier-Analysen von jährlichen Änderungen der Schneetemperatur—erweisen sich als stark temperaturabhängig. Die errechneten Tcmperaturkoeflizienten von 0,007 bzw. 0,012 deg-1 stimmen mit älteren Laborergebnissen, die an polykristallinem Eis durchgeführt wurden, gut überein.

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Copyright

References

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Short Notes: New Data on the Thermal Conductivity of Natural Snow

  • Gunter E. Weller (a1) and Peter Schwkkdtfecjer (a2)

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