Assertion: glacier's mass balance | /r/HasProperty | measured over the course of a year
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Mass balance is usually measured over the course of a year which computes the sum of all the annual accumulation and ablation (Benn and Evans, 1998, 75).
text: Mass balance is usually measured over the course of a year which computes the sum of all the annual accumulation and ablation (Benn and Evans, 1998, 75).