Assertion: glacier's margin | /r/CapableOf | lose mass
Facets:
value: by late 2012
type: TEMPORAL
value: strongly
type: DEGREE
Source sentences:
text: Runoff increased over most of the flanks of the GrIS, but most noticeably in southwest Greenland, where the margin was gaining mass in 2003 but strongly losing mass by late 2012 (Fig. 4).