The Deep-Sea Podcast

By: Thomas Linley
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  • Summary

  • A couple of deep-sea scientists talk everything deep sea! Interesting facts, recent news, myth-busting and interviews with the most interesting people we know.
    Copyright 2024 All rights reserved.
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Biological Sciences Earth Sciences Science
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Episodes
  • PRESSURISED: 058 - Antarctic ice-seabed interactions

    PRESSURISED: 058 - Antarctic ice-seabed interactions
    May 9 2025
    Welcome to the PRESSURISED version of episode 58, just the science, none of the waffle

    We are still talking about Antarctica, the continent that keeps on giving!

    For this month's interview, we speak with Devin Harrison - Marine Geoscientist/Postdoctoral Researcher at Kelpie Geoscience - Devin is a postdoctoral research fellow at Kelpie Geoscience. His research utilises high-resolution topographic models of the seafloor and complementary geophysical and geospatial datasets to understand the geomorphic evolution and process landform relationship of the deep sea and the continental shelves. Devin is particularly interested in the glacial geomorphological record and the evolution of glacial environments from the last glacial maximum (~20-25 thousand years ago) to the present day.

    We’re really trying to make this project self-sustaining, so we have started looking for ways to support the podcast. Here’s a link to our page on how to support us, from the free options to becoming a patron of the show. We want to say a huge thank you to those patrons who have already pledged to support us:

    Elena

    Thanks again for tuning in; we’ll deep-see you next time!

    Check out our podcast merch here!

    Feel free to get in touch with us with questions or your own tales from the high seas on:

    podcast@deepseapod.com

    We’d love to actually play your voice so feel free to record a short audio note!

    We are also on

    BlueSky: @deepseapod.com

    Twitter: @DeepSeaPod

    Instagram: @deepsea_podcast

    Keep up with the team on social media

    Twitter:

    Alan - @Hadalbloke

    Thom - @ThomLinley

    Instagram:

    Thom - @thom.linley

    Inkfish - @inkfishexpeditions

    BlueSky:

    Thom @thomaslinley.com

    Reference list

    Dowdeswell, J.A., Canals, M., Jakobsson, M., Todd, B.J., Dowdeswell, E.K. and Hogan, K. (eds.), 2016. Atlas of Submarine Glacial Landforms: Modern, Quaternary and Ancient, The Geological Society of London, London. vol. 46, 618pp. doi:10.1144/M46.

    Batchelor, C.L., Christie, F.D.W., Ottesen, D., Montelli, A., Evans, J., Dowdeswell, E.K., Bjarnadóttir, L.R. and Dowdeswell, J.A., 2023. Rapid, buoyancy-driven ice-sheet retreat of hundreds of metres per day. Nature, vol. 617, issue 7959, p.105-110. Doi:10.1038/s41586-023-05876-1.

    Smith, J.A., Graham, A.G.C., Post, A.L. et al. The marine geological imprint of Antarctic ice shelves. Nat Commun 10, 5635 (2019).

    Seafloor surficial sediment variability across the abyssal plains of the central and eastern Pacific Ocean

    Credits

    Theme: Hadal Zone Express by Märvel

    Logo image: Lance Wordsworth (Inkfish Media)
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    25 mins
  • Antarctic ice-seabed interactions

    Antarctic ice-seabed interactions
    May 3 2025
    We are still talking about Antarctica, the continent that keeps on giving! Alan and Thom discuss trying to stop working momentarily, constructing a treehouse, and acquiring a shark. In the news, we rattle off a list of newly discovered species with some very cool (but hard to pronounce) names. There has been a lot of squiddy news. Footage of divers swimming with a giant squid has resurfaced; in an exclusive for the podcast, Alan has recorded more amazing Magnapinna (bigfin or elbow squid) footage. And the biggest bit of news: the colossal squid has been seen alive in its natural habitat for the first time! Thom and Kat were part of the press conference. Megalodon (the not-deep-sea and very extinct shark) has been reassessed based on what we do know. It was likely longer and slimmer than we thought, and we have estimations for their speed and size at birth. We also have a new coelacanth population and a classic car found in the deep. For this month's interview, we speak with Devin Harrison - Marine Geoscientist/Postdoctoral Researcher at Kelpie Geoscience - Devin is a postdoctoral research fellow at Kelpie Geoscience. His research utilises high-resolution topographic models of the seafloor and complementary geophysical and geospatial datasets to understand the geomorphic evolution and process landform relationship of the deep sea and the continental shelves. Devin is particularly interested in the glacial geomorphological record and the evolution of glacial environments from the last glacial maximum (~20-25 thousand years ago) to the present day. We’re really trying to make this project self-sustaining, so we have started looking for ways to support the podcast. Here’s a link to our page on how to support us, from the free options to becoming a patron of the show. We want to say a huge thank you to those patrons who have already pledged to support us: Elena Thanks again for tuning in; we’ll deep-see you next time! Check out our podcast merch here! Feel free to get in touch with us with questions or your own tales from the high seas on: podcast@deepseapod.com We’d love to actually play your voice so feel free to record a short audio note! We are also on BlueSky: @deepseapod.com Twitter: @DeepSeaPod Instagram: @deepsea_podcast Keep up with the team on social media Twitter: Alan - @Hadalbloke Thom - @ThomLinley Instagram: Thom - @thom.linley Inkfish - @inkfishexpeditions BlueSky: Thom @thomaslinley.com Follow Kat on Bluesky: @autsquidsquad.bsky.social Twitter: @ALCESonline Reference list News New Species A new species of hound shark from the northern Indian ocean, Iago goplakrishnani New genus and species of feather duster worm from the hydrocarbon seeps in the Gulf of Mexico. – Seepicola viridiplumi Five new trench isopods in the Haploniscus belyaevi complex. And a new dumbo octopis, Grimpoteuthis feitiana Megalodon New paper on the meg Tyler Greenfield’s blog Divers swim with giant squid Divers Encounter a Live Giant Squid Swimming on the Ocean Surface https://youtu.be/gZxGGQc_hRI?si=ZmRhwaIF2T9RV-Lk – original video The colossal squid has been seen! Original video with Kat’s voiceover Kat’s piece in The Conversation Deep-sea classic car Interview Dowdeswell, J.A., Canals, M., Jakobsson, M., Todd, B.J., Dowdeswell, E.K. and Hogan, K. (eds.), 2016. Atlas of Submarine Glacial Landforms: Modern, Quaternary and Ancient, The Geological Society of London, London. vol. 46, 618pp. doi:10.1144/M46. Batchelor, C.L., Christie, F.D.W., Ottesen, D., Montelli, A., Evans, J., Dowdeswell, E.K., Bjarnadóttir, L.R. and Dowdeswell, J.A., 2023. Rapid, buoyancy-driven ice-sheet retreat of hundreds of metres per day. Nature, vol. 617, issue 7959, p.105-110. Doi:10.1038/s41586-023-05876-1. Smith, J.A., Graham, A.G.C., Post, A.L. et al. The marine geological imprint of Antarctic ice shelves. Nat Commun 10, 5635 (2019). https://doi.org/10.1038/s41467-019-13496-5 Seafloor surficial sediment variability across the abyssal plains of the central and eastern Pacific Ocean https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1527469/full Credits Theme: Hadal Zone Express by Märvel Logo image: Lance Wordsworth (Inkfish Media) Song of the month: The Midnight Zone by SLADE
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    57 mins
  • PRESSURISED: 057 - A peek under the ice

    PRESSURISED: 057 - A peek under the ice
    Apr 14 2025
    It’s the last in our run of episodes about Antarctica. We are all back home, and we promise to stop bothering the poor continent. Thom couldn’t talk about it until after the press release, but the Schmidt Ocean Institute cruise he was on had to look at the seabed under a 150-meter-thick ice shelf right as it moved out of the way. We talked to the science leads on that cruise, Patricia Esquete and Sasha Montelli. We learned about the hydrography and glaciology of that region and then the seabed and communities that were revealed when the ice shelf moved away. We’re really trying to make this project self-sustaining, so we have started looking for ways to support the podcast. Here’s a link to our page on how to support us, from the free options to becoming a patron of the show. We want to say a huge thank you to those patrons who have already pledged to support us: Ryker and Kerry Jowett Thanks again for tuning in; we’ll deep-see you next time! Check out our podcast merch here! Which now includes Alan’s beloved apron and a much anticipated new design... Feel free to get in touch with us with questions or your own tales from the high seas on: podcast@armatusoceanic.com We’d love to actually play your voice so feel free to record a short audio note! We are also on BlueSky: @deepseapod.com https://bsky.app/profile/deepseapod.com Twitter: @DeepSeaPod https://twitter.com/DeepSeaPod Facebook: DeepSeaPodcast https://www.facebook.com/DeepSeaPodcast Instagram: @deepsea_podcast https://www.instagram.com/deepsea_podcast/ Keep up with the team on social media Twitter: Alan - @Hadalbloke Thom - @ThomLinley Instagram: Thom - @thom.linley BlueSky: Thom @thomaslinley.com Follow Sasha on Twitter: @sasha_montelli Reference list Smith, J.A., Graham, A.G.C., Post, A.L. et al. The marine geological imprint of Antarctic ice shelves. Nat Commun 10, 5635 (2019). https://doi.org/10.1038/s41467-019-13496-5 Helen Amanda Fricker et al., Antarctica in 2025: Drivers of deep uncertainty in projected ice loss.Science387,601-609(2025).DOI:10.1126/science.adt9619 https://www.science.org/doi/10.1126/science.adt9619 Ingels, J., Aronson, R.B., Smith, C.R., Baco, A., Bik, H.M., Blake, J.A., Brandt, A., Cape, M., Demaster, D., Dolan, E. and Domack, E., 2021. Antarctic ecosystem responses following ice‐shelf collapse and iceberg calving: Science review and future research. Wiley Interdisciplinary Reviews: Climate Change, 12(1), p.e682. https://wires.onlinelibrary.wiley.com/doi/am-pdf/10.1002/wcc.682 Challenger 150 - Home - Challenger 150 The Ocean Census | Discover Life Credits Theme: Hadal Zone Express by Märvel
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    32 mins

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