In this diagram, we see a wide range of salinities (0.1 to 32), wave processes that dominate at the mouth ... river discharge regions where the valley is presently not drowned by the sea.

NARRAGANSETT – Dredging the Narrow River to unclog the river’s mouth and replenish Narragansett Town Beach with sand could cost between $2.6 million and $7.2 million, according to an ...