(1) Combined processes (such as melting, sublimation, evaporation or calving) which remove snow or ice from a glacier or from a snowfield; also used to express the quantity lost by these processes. (2
) Reduction of the water equivalent of snow cover by melting, evaporation, wind and avalanches.
An instrument used for the measurement of the reflecting power (the albedo) of a surface. A pyranometer adapted for the measurement of radiation reflected from the earth's surface is sometimes employe
d as an albedometer.
Instrument for measuring the reflecting power of a surface (e.g., clouds, grass, snow). A pyranometer is sometimes inverted and used as an albedometer to measure the radiation reflected from the Earth
's surface.