Assertion: glacier's ablation | /r/HasProperty | ice evaporation
Facets:
Source sentences:
text: They lose mass in three ways: ablation (ice evaporation), iceberg calving, and melting, either on the surface or from the underside of ice shelves that are in contact with the ocean.
text: Thus, there are four ways that ice in the ice sheet may be lost: ablation (evaporation of the ice), surface melt, calving at the interface with the ocean, and melting from contact with the ocean.