Assertion: glacier's balance | /r/HasProperty | the product of its area
Facets:
value: at that time
type: TEMPORAL
Source sentences:
text: The mass balance in 2003 was very negative at -3.03 m. The winter mass balance measured in early May was 2.26 m with a summer balance of -5.29 m. Glacier runoff during the melt season of 2003 from Ålfotbreen is the product of its area at that time