Indeed, by taking several cores, progressively further from the coastal dune, and seeing how far a sand layer extends, he can make a good guess at how powerful a passing hurricane was.

ECONOMIST: Eye on the storm | The

The dune breach forced the closing of a major coastal highway for several hours.

NPR: Late-Winter Storm Sweeps Into New England

Coastal ponds are usually separated from the sea by a sand dune a few metres high.

ECONOMIST: Eye on the storm | The