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ablation
Definição1
The removal of surface material from a body by vaporization, melting, chipping, or other erosive process; specifically, the intentional removal of material from a nose cone or space-craft during high speed movement through a planetary atmosphere to provide thermal protection to the underlying structure.
Fonte1
DUTRA, Luiz Costa e Silva. Glossário aerotécnico: inglês-português. São Paulo: Traço, 1979. 469 p.
Fonte2
WORLD METEOROLOGICAL ORGANIZATION. Guide to Meteorological Instruments and Methods of Observation. Preliminary 7th ed. Geneva, Switzerland: Secretariat of the World Meteorological Organization, 2006. (WMO-No. 8).
Contexto
If there is a layer of old snow, it would be incorrect to calculate the depth of the new snow from the difference between two consecutive measurements of total depth of snow since lying snow tends to become compressed and to suffer ablation.
Subárea
Meteorology
Spanish
ablación