Oceanography | Marine Science and Ocean Stories5 Maj

Elephant Seals Can Be Scientists Too

Elephant seals collect data where ships rarely can. In this South Pole crossover, Dr. Clive McMahon explains how animal-borne sensors turn deep-diving southern elephant seals into partners in Southern Ocean monitoring. The tags collect temperature, salinity, depth, and ocean productivity data, especially during the Antarctic winter. The episode also explores seal behavior, population decline, Antarctic Bottom Water, climate monitoring, and how hard-to-reach observations improve oceanography and weather forecasting

If you enjoy this episode, you can find more from South Pole, a series dedicated to the science of Antarctica, on Spotify or Apple Podcasts, or all major platforms.

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Episode Guest: Dr. Clive McMahon

Review the research publication discussed in the episode here

Visit Dr. McMahon’s publications on Google Scholar

Visit the website of the Sydney Institute of Marine Sciences

Episode Transcript and more information on the Pine Forest Media Website

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Hosted, produced, written, and edited by Clark Marchese

Cover art and PFM logo by Laurel Wong.

Theme music by Nela Ruiz

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From Collapse to Comeback: How Sustainable Fisheries Are Built

Not long ago, the race to catch fish was pushing some U.S. fisheries toward collapse. Fishing seasons became shorter, boats went out in dangerous conditions, and fishermen, scientists, regulators, and...

11 Aug 33min

Sky Truth: From Satellite Data to Ocean Action

Satellites can reveal what is happening at sea. SkyTruth founder John Amos explains how seeing previously hidden oil slicks from space changed the course of his career, and why he believes environment...

28 Juli 42min

How Many Species Are There in the Sea? Marine Taxonomy Explained

Naming ocean life is the first step toward protecting it. In a live conversation with his former professor, host Clark Marchese asks marine biologist Dr. Manuel Caballero Gutiérrez how many species li...

26 Maj 23min

Hadal Zone Master Class with Professor Alan

What happens at the deepest points of the ocean? This week on Oceanography, we’re sharing a special feed drop episode from Deep Sea Pod, hosted by Thomas Linley and Alan Jamieson — two scientists man...

19 Maj 46min

Climate Change in 2026: Where Are We Now?

Where does climate change stand as 2026 unfolds? This Green Frequency crossover steps back from the ocean to assess the wider climate system. Climate scientist Dr. Claudio Piani and student activist A...

12 Maj 31min

Solar Geoengineering: Who Gets to Decide?

Solar geoengineering is also a question of power. Hassaan Sipra of the Alliance for Just Deliberation on Solar Geoengineering explains the governance and climate justice issues surrounding solar radia...

28 Apr 1h 5min

A Natural Experiment in the Sky: Shipping, Clouds, and Climate

Cleaner ship fuel created a climate experiment. Meteorologist Dr. Michael Diamond explains how shipping emissions influence cloud formation above the ocean and how the IMO sulfur cap changed that sign...

21 Apr 56min