Thermodynamic Properties Of Snow And

The thermal characteristics of snow and ice play an important role in determining exchanges of energy chapter 2 Table 2.1

Physical Properties of Snow and Ice at 0°C

Freshwater Ice Sea Icea _Snow_ Firn

Fresh Settled/Wet

1000 917 720-940 20-150 250-550 550-830 0.1 0.1-0.6 0.1-0.7 0.8-0.9 0.4-0.6 0.3-0.4

Property

Albedo

Thermal conductivity (W m-1 °C-1) Heat capacity

Thermal diffusivity

(m2 s-1) Latent heat of fusion (J g-1) Latent heat of sublimation (J g-1)

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"Thermal properties for a temperature of -2°C, a salinity of 5 ppt, and a density of 850 kg m-3.

'Thermal diffusivities calculated for densities of 100, 400, and 700 kg m-3.

between the cryosphere, ocean, and atmosphere. They also govern the sensitivity of the cryosphere to climate change and many of the cryospheric feedbacks to this change. Select thermodynamic properties of snow and ice are compiled in table 2.1.

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