Assertion: estuary's sill | /r/HasProperty | shallow
Facets:
value: very
type: DEGREE
value: as 4 m
type: OTHER
Source sentences:
text: These sills can be as shallow as 4 m, but sill depths of between 40 m and 150 m are more common.
text: When estuaries contain very shallow sills, tidal oscillations only affect near surface waters to sill depth, and waters below sill depth may remain stagnant for very long periods of time, resulting in only an occasional exchange of the deep water of the estuary with the ocean.
text: When estuaries contain very shallow sills, tidal oscillations only affect near surface waters to sill depth, and waters below sill depth may remain stagnant for very long periods of time, resulting in only an occasional exchange of the deep water of the estuary with the ocean.