Assertion: estuary's salinity | /r/CapableOf | drop as the distance
Facets:
value: obviously
type: MANNER
Source sentences:
text: Estuaries also contain brackish water (water with a salinity of 0.5 – 3% salinity, whereas sea water is 3 – 5% salinity) with the salinity of the water obviously dropping as the distance from the mouth of the river increases.