035 - Shipwrecks with Leighton Rolley and Lori Johnston

To finish up our run of episodes on deep-sea habitats, we’re really excited to bring you this month’s episode on… shipwrecks! But we’re not going to talk about what you expect. We all know what shipwrecks are but do you know how to find them? We talk with Leighton Rolley, an expert in researching, discovering and documenting shipwrecks. And we don’t stop there. Our second guest, Lori Johnston is a microbiologist whose research has focused on the fascinating structures of rusticles: the rusty icicles that hang from shipwrecks like the Titanic. 

We’re also very happy to hear from Don in this month’s episode with his tale of sailing on the infamous ghost ship, Glub Glub Orlova. Plus, we learn why Alan shares Darwin's opinion in hating Goose barnacles, or more accurately, one barnacle individually. 

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:

Arlene Ogston

Philip John Pearson

Rosa Potter

Lexi Harding

William Benn

Dylan Wesley Taylor

Kat bolstad

Laura M Smith

Scott Carle

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:

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Keep up with the team on social media

Twitter: 

Alan - @Hadalbloke (https://twitter.com/Hadalbloke)

Thom - @ThomLinley (https://twitter.com/ThomLinley) 

Georgia - @geeinthesea (https://twitter.com/geeinthesea) 

Instagram: 

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Read the show notes and find out more about us at:

www.armatusoceanic.com

Acoustic mapping - A method of mapping the seabed by sending out sound waves and measuring the strength of the sound bouncing back.

Autonomous vehicles - (AUV) Are untethered, unmanned robotic vehicles that are able to collect data in the deep oceans.

Base theory - A method of using simulations to find the most probable outcome.

Hull - The body of a boat or ship

Multibeam - A type of sonar used to map the seabed. It emits acoustic waves in a fan shape to get a wider area of data. 

Rusticles - Icicle shaped rust formations on sunken steel ships

Sonar - A technique of using sound waves to measure distances.

A great article about Lori’s work

Lori and Dr Roy Cullimore’s paper on rusticles

An ancient ocean floor surrounds the Earth's core

New deep sea coral reef found

Radar satellite data reveals 19,000 previously unknown undersea volcanoes

Drake Passage is found to be important for the deep sea

Hadal Zone by Žibuoklė Martinaitytė

Youtube

Bandcamp

Theme – Hadal Zone Express by Märvel

Logo image: Richie Kohler

#Podcast #scicomm #Science #MarineBiology #DeepSea #DeepOcean #AlanJamieson #shipwreck #shipwrecks #discovery #LoriJohnston  #LeightonRolley #titanic #britannic #bismarck #microbes #microbialecology  #hydrothermalvents #deepseaspecies #scicomm #deepseacreatures