Coastal transgressive dunefields are on the march in South Australia - retreating inland from an angry ocean at an alarming rate. Yet while this occurs in plain sight, communities are largely oblivious to long-term coastal changes, and Flinders University's Professor Patrick Hesp is concerned this is all happening in a geological blink of the eye.
![](https://news.flinders.edu.au/wp-content/uploads/2017/11/Patrick-Hesp-sand-dune-testing-300x200.jpg)
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