Ablation zone or ablation area refers to the low-altitude area of a glacier or ice sheet below firn with a net loss in ice mass due to melting, sublimation, evaporation, ice calving, aeolian processes like blowing snow, avalanche, and any other ablation.
Ablation zone or ablation area refers to the low-altitude region of a glacier or ice sheet below firn with a net loss in ice mass due to melting, sublimation, evaporation, ice calving, wind-driven processes like blowing snow, avalanches, and any other form of ablation.