Wild Sounds: Voice of the Sea Ice

• Voice of the Sea Ice 02 | Antarctica's heartbeat

  Step out on the sea ice just outside New Zealand’s Scott Base with researchers studying the physics of its annual cycle. Each year a massive patch of ocean around Antarctica freezes and then melts again come summer – Antarctica’s heartbeat. In winter, the ice effectively more than doubles the size of this already massive continent, and it plays a huge role in controlling our planet’s climate.Guests:Dr Inga Smith, University of Otago Antonia Radlwimmer, University of OtagoProfessor Wolfgang Rack, University of Canterbury Learn more:Listen to Physics on Ice from 2021 with Emeritus Professor Pat Langhorne and Dr Inga Smith.Alison Ballance's Voices from Antarctica series from 2020 explores what it’s like to live and work in Antarctica.This series was made with travel support from the Antarctica New Zealand Community Engagement Programme. Sign up to the Our Changing World monthly newsletter for episode backstories, science analysis and more.Go to this episode on rnz.co.nz for more details

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• Voice of the Sea Ice 01 | A land of ice and ambition

  Welcome to Antarctica - a land of ice, extremes, and ambition. From historic expeditions to modern day science projects, Antarctic exploration is a unique, and dangerous, experience. We meet one researcher involved in an epic journey across the largest ice shelf in Antarctica, mapping a safe route through a crevassed landscape for others to follow. Plus, we learn about the different types of ice found in this vast, frozen landscape. Guests:Dr Daniel Price, University of Canterbury and Kea AerospaceNgā Taonga Sound and Vision archival audioLearn more:Read the article that accompanies this episode.Daniel did the route-finding for the SWAIS2C project. Veronika Meduna flew out to the camp in the 2023/2024 season to report on their activities.Daniel has spoken to Morning Report about Kea Aerospace’s work developing a solar-powered aircraftHear about other ongoing research in Antarctica from the latest research season, including investigating new methane seeps, and giant glass sponges.Learn more about living, and working, on the ice in the 2020 podcast series – Voices from Antarctica.This series was made with travel support from the Antarctica New Zealand Community Engagement Programme. Sign up to the Our Changing World monthly newsletter for episode backstories, science analysis and more.Go to this episode on rnz.co.nz for more details

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• Introducing: Voice of the Sea Ice

  Each winter the sea ice that forms around Antarctica effectively doubles the size of this massive continent. It’s one of the biggest annual global changes. It reflects sunlight, drives ocean currents and is home to a host of critters key to the Antarctic food web. But the last few years have seen unusually low sea ice extents in Antarctica, and scientists are sounding the alarm. Is this a blip, or a trend? Go to this episode on rnz.co.nz for more details

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