Coasts & Dunes

COAST & DUNE SIMULATION

▸ Building the coastline & shelf…

▸ Loading 5 coast types & sediment

▸ Starting oblique waves & longshore drift

▸ Linking the erosion–accretion model · spits

▸ Calibrating dunes to the wind…

▸ Ready — Online. ✅

Wave rose & longshore drift

🏖️ Incoming wave → Beach

oblique waves → longshore drift carries sand

Coast type—

Wave approach angle—

Wave height—

Longshore drift—

Process—

Note

Waves arriving at an oblique angle create longshore drift — a "sand conveyor belt" that both erodes here and accretes there.

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Pick a "Scenario" (longshore drift / spit / erosion / dune / groyne / storm surge) in the right column · click a coast type / concept for details

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Longshore drift & wave height longshore driftwaves