Up on the Arctic tundra, a young man in chest waders is wandering around a peat bod, burying tea bags — Lipton tea bags, green tea and rooibos, to be exact. This week, I head to Iskoras mountain, a low peak in far northern Norway, outside of the town of Karasjok to find out what burying tea bags in the tundra — and doing sophisticated measurements in a peat bog —can tell us about the future of permafrost and its effects on the climate.

This week's guests are Hanna Lee, Anja Greschkowiak, Lisa van Solt and Daniel Angulo Serrano.

Here are some videos that explain the research and show the field site in more detail:

• A brief description of the project, by Inge Althuizen https://www.youtube.com/watch?v=Sz4argYGIb8
• An artistic video about the project fieldwork by Sasha Azanova. https://vimeo.com/457877275

You can read more about the research in this episode here:

Jiao, Yi; Davie-Martin, Cleo L.; Kramshøj, Magnus; Christiansen, Casper Tai; Lee, Hanna; Althuizen, Inge. (2023) Volatile organic compound release across a permafrost-affected peatland. Geoderma

Lee, H., Christiansen, C., Althuizen, I., Michelsen, A., Dörsch, P., Westermann, S., and Risk, D.: Long lasting greenhouse gas emissions beyond abrupt permafrost thaw event in permafrost peatlands, EGU General Assembly 2022, Vienna, Austria, 23–27 May 2022, EGU22-4211, https://doi.org/10.5194/egusphere-egu22-4211, 2022.

Rixen, Christian; Høye, Toke Thomas; Macek, Petr; Aerts, Rien; Alatalo, Juha M.; Andeson, Jill T.. (2022) Winters are changing: snow effects on Arctic and alpine tundra ecosystems. Arctic Science

Cai, Lei; Lee, Hanna; Aas, Kjetil Schanke; Westermann, Sebastian. (2020) Projecting circum-Arctic excess-ground-ice melt with a sub-grid representation in the Community Land Model. The Cryosphere

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