Show Notes
David Boldeman is joined by science journalist Ellen Phiddian to explore the strange and often misunderstood physics of tides. The conversation unpacks why most coastlines experience two tides a day, why tidal behaviour varies so dramatically around the world, and what tide charts are actually measuring. Along the way, they examine spring and king tides, the influence of geography and ocean shape, and how tidal forces affect not just the oceans, but the Earth and Moon over deep time including the possibility that tides played a role in the origins of life.
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More from Ultramarine: the science of our oceans and waterways
This is an episode from our new podcast, It Starts With... available on Apple, Spotify and ConnectSci.
David Boldeman speaks with CSIRO marine biogeochemist Dr Elizabeth Shadwick about one of Australia’s most important long-running ocean climate observation programs, the Southern Ocean Time Series south of Tasmania.
Host David Boldeman speaks with ConnectSci science journalist Imma Perfetto about new research that has, for the first time, measured the hearing range of humpback whales in the wild.
David Boldeman is joined by science journalist Ellen Phiddian to explore a deceptively simple question: how do scientists actually know the oceans are warming?
Four and a half thousand years ago, people were already navigating the dangerous waters of the High Arctic.