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https://permafrost.woodwellclimate.org/
3 partages
https://kromanowicz.github.io/
2 partages
https://protectourwinters.org/
1 partage

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adaptation: managed retreat

Saison 2 · Épisode 7

samedi 16 août 2025 • Durée 28:11

In the closing episode of the Permafrost Thaw season, we hear stories of landscape change that have long-sustained and been observed by Native people in Alaska's Kuskokwim River area. We hear their stories of adaptation, including managed retreat of buildings away from rapidly eroding riverbanks.

We are reminded of ways in which permafrost thaw relates to distant, global populations.

topics and purpose: changes to the land described by the Yup'ik people, and adaptation approaches in present times

terms defined: prevention, adaptation and managed retreat

notes: Connect with Rewiring America! This episode was funded, in part, by a grant from the Institute for Journalism & Natural Resources. Alaska Public Media and National Public Radio gave permission to use external audio clips.

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usteq

Saison 2 · Épisode 6

mardi 10 juin 2025 • Durée 22:42

In this episode, we learn the Yup'ik term for climate change-induced catastrophic land collapse, which occurs due to permafrost thaw, erosion, and flooding: Usteq.

We hear several definitions of the term, utilized by researchers and the government, and learn how these land changes are impacting communities in Western Alaska, in real-time.

topics and purpose: the long observed changes to the land described by the Yup'ik people, and related stress in present times

terms defined: usteq, land subsidence, divestment

notes: Learn more about climate friendly financial investments at ClimateSmart and get involved in the movement: Stop the Money Pipeline. Here is a link to the Alaska State Hazard Mitigation Plan, and to Dr. Bronen's research about Usteq. This episode was funded, in part, by a grant from the Institute for Journalism & Natural Resources.

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roping up

Saison 1 · Épisode 4

vendredi 12 mai 2023 • Durée 08:29

In mini-episode four, we listen to part of the glacier travel story shared in the book Do Glaciers Listen? for a second time. Frank Olive from the University of Alaska Fairbanks shares risk mitigation strategies, like roping up to avoid injury during crevasse falls.

topics and purpose: safety, why we rope up for travel on snow-covered glaciers

terms defined: crevasse, snow bridge

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glacier walkers

Saison 1 · Épisode 3

mercredi 12 avril 2023 • Durée 24:28

In episode three we hear from Judy Ramos in Lingít Aaní. She tells us about the history of glacier travel in the region, and about the Spirit of the Glacier.

topics and purpose: Indigenous people in Alaska and Canada have been traveling on glaciers for hundreds to thousands of years, oral stories in the region about glaciers, historic glacier advance and retreat impacted communities, Spirit of the Glacier, glaciers respond to people

terms defined: Traditional Ecological Knowledge, Indigenous science

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ablation stake

Saison 1 · Épisode 2

mercredi 22 mars 2023 • Durée 17:09

In episode two of the Ice and Fire podcast, we are atop the Kennicott Glacier in Wrangell-St. Elias National Park with Dr. Eric Petersen and his field team.

topics and purpose: audio capture of glacier melt occurring in real-time, continue place-based themes from the surface of a glacier, connect listeners with field research and techniques, share how glacial retreat is measured and how rapidly retreat is occurring

terms defined: ablation, ablation stake, ablation zone; glacial retreat; dead glacier; Heucke drill

notes: Philipp Arndt, PhD student, contributed to this episode with explanations for how to set an ablation stake

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flyover

Saison 1 · Épisode 1

mercredi 1 mars 2023 • Durée 24:45

In this introductory episode of season one of the Ice and Fire podcast, hear from your host, Theresa Soley, as she shares her unexpected interest in glacial ice.

topics and purpose: geological history and glacier change, an introduction to characters, scene-setting: Wrangell Mountains Center in McCarthy, Alaska – the end of the road and Wrangell St.-Elias National Park; visualizing the presently glaciated landscape from above during a flyover

terms defined: glacier, icefield, debris-covered glacier

notes: the Hardware Store in McCarthy is typically referred to as the Old Hardware Store

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the carbon cycle and us

Saison 2 · Épisode 5

jeudi 10 avril 2025 • Durée 16:20

In this episode, we breathe and feel our human connection to the short carbon cycle. Long-sequestered carbon stores from deep underground -- as oil reservoirs or within frozen permafrost -- are brought to the surface by human activity, and then converted into greenhouse gases. These gases, like CO2 and methane (CH4), float into Earth's atmosphere, circulate, and trap heat -- causing the planet to warm. We have thrown the carbon cycle out of balance.

topics and purpose: how humans participate with the carbon cycle, and how to enact systemic change for a climate-positive future

terms defined: short carbon cycle, long carbon cycle

notes: Join the climate movement and get involved with political mobilization by working or volunteering with organizations like 350.org and Protect Our Winters.

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woolly mammoth bones

Saison 2 · Épisode 4

mercredi 12 mars 2025 • Durée 12:30

In episode four we learn about carbon stored within woolly mammoth bones and ancient plants, long held within the walls of the the Cold Regions Research and Engineering Laboratory's permafrost tunnel located near Fairbanks, Alaska.

Forty thousand years ago permafrost trapped microbes, rock, and sediment when water froze around it all. The ground ice also captured ancient plants and mammal bones, making carbon stores visually apparent as permafrost oxidizes or thaws. These processes also have an odor.

topics and purpose: What all is in permafrost and emerges as it thaws?

terms defined: the Pleistocene Ice Age, organic matter

notes: Learn more about the Army Corps of Engineers' Permafrost Tunnel Research Facility in Fox, Alaska here. A previous version of this episode suggested that the tunnel was excavated to act as a protective underground enclave in the event of foreign occupation during the Cold War; this has been revised for accuracy. It was actually excavated in the 1960s as an experiment to test whether the tunnel could act as a bunker for military weapons systems.

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microbes reawaken

Saison 2 · Épisode 3

mercredi 22 janvier 2025 • Durée 12:53

In episode three of Ice and Fire, we hear about a microbial reawakening of microscopic life that was frozen into permafrost, often for thousands of years. These small life forms spring back when permafrost thaws. Though individually tiny, microbial communities -- composed of bacteria, fungi, and archaea -- have substantial impact to Earth, including the greenhouse gases they emit when they metabolize and perform cellular respiration.

topics and purpose: the significance of microbes to the atmosphere and global warming as permafrost thaws

terms defined: microbes and microbial communities

notes: Check out Dr. Romanowicz's website to read more about microbes and their significance to permafrost thaw. Learn more about the Permafrost Pathways Program, part of the Woodwell Climate Research Center, here.

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layers

Saison 2 · Épisode 2

mardi 31 décembre 2024 • Durée 13:05

In episode two we drill into the soil profile to learn about soil layers in northern landscapes. This shows us how deep permafrost is, and the impacts to people as the soil profile changes and permafrost thaws.

topics and purpose: soil layers in northern regions are impacted by global warming; temperature records and increases, impacts of permafrost thaw on local and global levels

terms defined: soil core & soil profile; active layer, transition zone, permafrost layer

notes: Learn more about the Permafrost Pathways Program, part of the Woodwell Climate Research Center, here. Check out Dr. Romanowicz's website to read more about his research.

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Ice and Fire – Détails, épisodes et analyse

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Liens partagés entre épisodes et podcasts

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Qualité et score du flux RSS

Historique des publications

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Podcasts Similaires Basées sur le Contenu

Apple Podcasts

Spotify

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