Callum Shakespeare – The Conversation

The Horizontal Falls are an unusual natural phenomenon on the coast of Western Australia’s Kimberley region, where tidal flows cause waterfalls on the ebb and flow of each tide. James D. Morgan/Getty Images

September 23, 2026

Earth’s tides are shaped by more than the Moon. And they’re changing as the planet warms

Luwei Yang, Australian National University and Callum Shakespeare, Australian National University

For coastal communities, understanding how tides are changing is increasingly important.

British Antarctic Survey

July 31, 2024

Giant waves, monster winds and Earth’s strongest current: here’s why the Southern Ocean is a global engine room

Luke Bennetts, University of Adelaide; Callum Shakespeare, Australian National University, and Catherine Vreugdenhil, The University of Melbourne

The scientific and broader community must join together to advance Southern Ocean science and protect this vital natural asset.

Ronnie Robertson/Wikimedia Commons

May 3, 2021

What are ‘internal waves’ that possibly sank the Indonesian sub? If you’ve ever suffered plane turbulence, you’ve been inside one

Callum Shakespeare, Australian National University

Internal waves can create pretty cloud shapes in the sky, as well as making life unpleasant for passengers on aeroplanes. And in the oceans they can be a deadly hazard to submarines.

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