Assertion: drifting buoy | /r/CapableOf | measure ocean surface conditions
Facets:
value: reliably
type: MANNER
Source sentences:
text: Drifting Buoys Drifting buoys are generally attached to some form of drogue or sea-anchor, are easy to deploy,are relatively inexpensive to operate and reliably measure the atmosphere and ocean surface conditions, for an average of 18 months.