Assertion: lake's water level | /r/CapableOf | change within the year
Facets:
value: owing to seasonal changes
type: CAUSE
value: as with all the great lakes
type: OTHER
value: among years
type: TEMPORAL
Source sentences:
text: As with all the Great Lakes, water levels change both within the year (owing to seasonal changes in water input) and among years (owing to longer-term trends in precipitation).