SA’s longest beach is disappearing fast, and the erosion rate recently accelerated | Business Insider

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SA’s longest beach is disappearing fast, and the erosion rate recently accelerated.

Sixteen Mile Beach in Yzerfontein on the West Coast is 52m narrower, on average, than it was in 1937.

Sixteen Mile Beach in the West Coast National Park is about 52m narrower, on average, than it was when aerial photographs were taken in 1937. “While coastal erosion is exacerbated by climate-driven sea level rise and anthropogenic forces, the extent and severity vary from region to region,” they say.The shoreline change they analyse “could potentially be attributed to broader changes in the overall coastal and inland dune systems that have occurred over the decades, or changes in regional ocean and climate systems”.

Overall, 95% of the beach had experienced erosion - about half of it “significant” - with an average loss of 38m. A 100m slice of the beach at its southern end lost 99.29mmaking it an “erosion hotspot”, while a similar slice in the north gained 13,8m. “Sixteen Mile Beach experienced the greatest average change of 52,13m,” say the scientists.

 

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BISouthAfrica And on the east coast, PE for example 🙈🙈🙈🤟✌️

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BISouthAfrica My patience with kak24 is 52 meters narrower than it was 86 seconds ago.

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