engelska-finska översättning av frost line

The depth to which the water present in the soil is expected to freeze in winter
The depth to which the water present in the soil is actually frozen in a given place at a given point in time
In a solar system, the distance from the protosun beyond which hydrogen-containing gas compounds freeze

The uninsulated water pipes must be installed below the frost line to prevent them from freezing.
Due to the thin layer of snow on the ground the frost line has penetrated unusually deep this year.
In our Solar System the frost line lies between Mars and Jupiter at about five astronomical units from the Sun.

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