The ocean provides the opportunity for monitoring climate changes that may be difficult to observe in the atmosphere with its great natural variability on short time scales.
(The ocean; provides; the opportunity for monitoring climate changes) (climate changes; may be; difficult to observe in the atmosphere with its great natural variability on short time scales)
The ocean climate changes
provides may be
the opportunity for monitoring climate changes
difficult to observe in the atmosphere with its great natural variability on short time scales