Geography & Astronomy (Q&A)

Answer: All processes by which snow and ice are lost from a glacier, floating ice, or snow cover; or the amount which is melted. These processes include melting, evaporation, (sublimation), wind erosion, and calving. It occurs at a time when the glacier enters warmer conditions. The term occurs in space physics associated with atmospheric reentry, in glaciology, medicine, and passive fire protection.

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