Until the reservoir completely silts up releases downstream are &quot;clear water&quot; flows that erode the bed and banks of the river channel until the natural sediment transport capacity of the river has been regained.
(the reservoir; silts up; releases downstream) (the natural sediment transport capacity of the river; has been regained; ) (releases downstream; are; )
the reservoir the natural sediment transport capacity of the river releases downstream
silts up has been regained are
releases downstream