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AAP
AAP
Environment
John Kidman

Dunes retreating from angry ocean at alarming rate

Sand dunes on South Australia's Younghusband Peninsula are advancing inland 10m per year. (HANDOUT/FLINDERS UNIVERSITY)

Sand dunes lining Australia's longest beach are marching inland the width of a tennis court each year, due to rapid erosion triggered by the heightened lapping of the Southern Ocean.

Measurements painstakingly gathered by Flinders University scientists reveal a central section of shoreline along South Australia's Younghusband Peninsula is disappearing at a rate of 3.3 metres annually.

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