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168 Scramble for the North Pole

29 . 05 . 2023

Notes

Transcription of this episode | Watch this on video | Buy us a coffee: Chris / Henry / Mario

showThis episode is a joint production of Curiously Polar and Polar Geopolitics. Joining today are Klaus Dodds, Professor for Geopolitics and Executive Dean for the School of Life Sciences and Environment at Royal Holloway, and Eric Paglia, postdoctoral researcher in the SPHERE project at KTH Royal Institute of Technology and producer and program host of the podcast Polar Geopolitics.

SCRAMBLE FOR THE NORTH POLE

Not only since 2007, when a submersible planted the Russian flag at the North Pole, the question of who owns the North Pole are a widespread topic discussed in several media outlets around the globe. With a large portion of its claim scientifically sound and confirmed by the Commission on the Limits of the Continental Shelf, a new scramble for the North Pole has set in. But where does this interest come from and what are the implications of it, particularly with the Russian war on Ukraine and the resulting political isolation of Russia on the world stage? How will the Arctic Council as intergovernmental forum for circumpolar cooperation develop in the future and how will the claims of different Arctic states effect the work in the Arctic Council? We discuss these and other questions together with Eric Paglia and our guest, Professor Klaus Dodds.

You can find Klaus Dodds’ latest book ‘Border Wars’ here and an overview over a selection of his other books here.

Please consider to check out Eric Paglia’s podcast Polar Geopolitics and send us your questions or feedback to todays episode.notes

This is an episode of the Curiously Polar podcast

with Chris Marquardt https://chrismarquardt.com/ Henry Páll Wulff: https://henrypall.com/ Mario Acquarone https://www.buymeacoffee.com/polarmario

Listen to all podcast episodes at https://curiouslypolar.com

All video episodes at https://tfttf.com/curiouslypolarvideo

Find us here: Web: https://curiouslypolar.com Twitter: https://twitter.com/curiouslypolar Instagram: https://instagram.com/curiouslypolar

167 The Worlds largest Waterfall

05 . 05 . 2023

Notes

Watch this on video | Buy us a coffee: Chris / Henry / Mario

POLAR NEWSREEL:

01 Mapping the Ocean Floor: The Nippon Foundation-GEBCO Seabed 2030 Project was endorsed as part of the UN Ocean Decade. The project aims to map all the world’s oceans by the end of the decade. When it launched, only 6% of the seabed was mapped to a modern standard. On May 2, 2023, HSH Prince Albert II of Monaco announced that now 24.9% of the seabed is mapped, including some 19,000 newly discovered undersea volcanoes. Mapping the ocean floor is a critical step towards informing decision-making in areas such as resource management, environmental change, and ocean conservation1 . 02 One Year in the Life of Ocean Eddies: The Alfred Wegener Institute simulated a year of ocean eddies in the Southern Ocean with the FESOM2 ocean model in a 3 km resolution.

THE WORLDS LARGEST WATERFALL

Deep beneath the Denmark Strait, between Iceland and Greenland, lies the largest and most powerful waterfall on Earth - the Denmark Strait cataract. This undersea wonder is around 160 kilometres wide and cascades over immense cataracts hidden from our view, descending nearly 3 kilometres to a depth of 3,505 metres. The Denmark Strait Cataract carries around 5 million cubic metres of water per second, dwarfing any giant waterfall on land.

The Denmark Strait Cataract is a natural wonder that has been a mystery to many. It is formed by the difference in temperature between the ultra-cold Arctic waters of the Greenland Sea and the slightly warmer Irminger Sea. When the water from the Greenland Sea meets the Irminger Sea water, it slides right down through it to the bottom of the ocean. The cold, dense water quickly sinks below the warmer water and flows over the huge drop in the ocean floor, creating a downward flow estimated at well over 3,482,972.13 cubic metres per second. This massive flow equals between 20 and 40 times the sum of all river water that flows into the Atlantic.

The existence of an undersea waterfall is astonishing in itself. The Denmark Strait cataract is not only remarkable for its height and power but also for its ability to exist at all. Its discovery is a testament to our ongoing exploration of our planet’s oceans and our continued fascination with their mysteries.

This is an episode of the Curiously Polar podcast

with Chris Marquardt https://chrismarquardt.com/ Henry Páll Wulff: https://henrypall.com/ Mario Acquarone https://www.buymeacoffee.com/polarmario

Listen to all podcast episodes at https://curiouslypolar.com

All video episodes at https://tfttf.com/curiouslypolarvideo

Find us here: Web: https://curiouslypolar.com Twitter: https://twitter.com/curiouslypolar Instagram: https://instagram.com/curiouslypolar

166 Race for the oldest ice

14 . 03 . 2023

Notes

Watch this on video | Buy us a coffee: Chris / Henry / Mario

POLAR NEWSREEL

01 Life at the bottom of the Southern Ocean: The team of the icebreaker RRS Sir David Attenborough has been testing the new deep sea research capabilities in the 5.6 km (3.5 mi) deep and least explored parts of the Southern Ocean, the Hesperides Deep, unveiling incredible lifeforms at the bottom of the sea. | 02 New interactive Antarctic mapping tool: The Australian Antarctic Division developed the amazing interactive mapping tool, Nilas to to assist voyage planning and enhance climate research in the sea ice zone.

RACE FOR THE OLDEST ICE A global race is on to drill for the oldest known layers of Antarctic ice, so researchers can peek back in time to better understand the planet’s hotter future. Picking up from the record-breaking 2017 Allan Hills ice core, that unearthed ice dating back 2.7 million years, the US team returns to the site and aims to fill the gaps in the climate records. At the same time, the European project Beyond EPICA aims at obtaining ice cores, which are expected to provide continuous high-resolution climatic data up to 1.5 million years old at a site less than 40 km away from the Italo-French Concordia station at Little Dome C. End of January 2023, the team reached an important milestone and successfully completed the first ice core drilling campaign at a depth of 808 metres. Only five kilometres away from the European drilling site, the Australian Antarctic Division is making camp for their Million Year Ice Core project. To do so, the Australian team is mastering an incredible logistical challenge and traverses the East Antarctic Ice Sheet from the coastal Casey Station to the inland camp at the drilling site - and back. Lotter Kock, the Technical Lead for the Ice Drill System, tells his story on ABC Radio Hobart, certainly worth listening.

Check out Henry's article "Deep Freeze: Ice Core Drilling for Earth's Climate Archive" for a deeper dive into the topic.

Extra Media: Follow BAS scientists Huw Griffith and Jamie Maxwell on Twitter.

This is an episode of the Curiously Polar podcast

with Chris Marquardt https://chrismarquardt.com/ Henry Páll Wulff: https://henrypall.com/ Mario Acquarone https://www.buymeacoffee.com/polarmario

Listen to all podcast episodes at https://curiouslypolar.com

All video episodes at https://tfttf.com/curiouslypolarvideo

Find us here: Web: https://curiouslypolar.com Twitter: https://twitter.com/curiouslypolar Instagram: https://instagram.com/curiouslypolar

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