Assertion: delta's sediment | /r/HasProperty | deposited as dune
Facets:
value: in the river bed
type: LOCATION
Source sentences:
text: The sediment is deposited as dunes in the river bed, which is about 350, in some cases up to 600 m long and they can move very fast as 17 m/s (FAP 24 1996; EGIS 1997).