beach dunes

Sandy seaside ridges

Beach dunes are mounds of sand formed by wind along shorelines.

They develop when wind-blown sand accumulates around obstacles like driftwood or vegetation, gradually building into ridges that run parallel to the water.

Dunes serve as natural barriers protecting coastal areas from storms and erosion: The beach dunes were off-limits to protect the nesting shorebirds.

Dune grasses stabilize the sand with their root systems.

Opposites
coastal landform type

beach dunessea cliffs

Steep oceanside rock faces

rock formations · coral reefs · tide pools · basalt columns · rocky shoreline

terrain stability

beach dunesbedrock

Solid stone underground

solid rock · mountain peaks · volcanic rock · hardpan

landscape moisture

beach dunestidal flats

Coastline exposed at low water

salt marsh · wetlands · mangrove swamps · coastal lagoon · estuary

Family

beach, dunes

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Positive · Everyday, not technical · Rated G